Do you need to know, when is the best time to go to Ghana? Then you should take a look here, what weather you can expect there during the year.
The climate of Ghana is tropical. The weather is usually warm and comparatively dry along southeast coast, but hot and humid in southwest. And the wether is usually hot and dry in north. There are two main seasons: the wet season from March to November and the dry season from December to March, but in the southern part of the country there are two dry and rainy seasons, the rainy seasons are from April to June and from September to November.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Abease, Aburi, Accra, Ada, Adanwomase, Aflao, Apam, Ashanti Kwahu, Bolgatanga, Busua, Cape Coast, Elmina, Elubo, Ghanaian Coastal Plain, Ghanaian Northern Plains, Ho, Kakum National Park, Koforidua, Kokrobite, Kpetoe, Kumasi, Mole National Park, Nzulezo, Obuasi, Paga, Sekondi Takoradi, Sirigu, Sunyani, Tafi Atome, Tamale, Tema, Volta Basin, Wa.
Let's look now what weather you can expect in the area around the capital and in many other cities. The warmest month here is February, the average maximum temperature is 33.2 ℃ (91.76 ℉). The average minimum temperature in this month is 23.9 ℃ (75.02 ℉). The coldest month here is August, the average maximum temperature is 27.8 ℃ (82.04 ℉). The average minimum temperature in this month is 22.5 ℃ (72.5 ℉). The most rainy month here is June, the average number of rainy days is 14.7. The least rainy month here is January, the average number of rainy days is 1. 
When travelling to some places in Ghana, always consider the altitude of the the place as well. The highest point here is Mount Afadjato (885 m) and the lowest point is Atlantic Ocean (0 m). So there are not big differences in altitudes in this country. But the altitude affects the weather even so. Keep in mind, that the temperature usually decreases by 1.2 - 1.9 ℃ (2.2 - 3.5 ℉) per 200 m (656 ft), depending on the other conditions. (And we should add, that in the very special condition named thermal inversion even the temperature may be higher in higher altitudes.)
Typical (usual) weather in Ghana in January is this: The average highest temperature in Ghana in January is 33 ℃ (91.4 ℉). The average lowest temperature is 24 ℃ (75.2 ℉). At the beginning of January you can expect lower temperatures, the average highest temperature is around 32.45 ℃ (90.41 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 33.1 ℃ (91.58 ℉). The average number of rainy days in January is 1. The average rainfall is 11 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:48 (hours and minutes), in the middle of the month 11:49 and at the end of the month 11:52.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Ghana in February is this: The average highest temperature in Ghana in February is 33.2 ℃ (91.76 ℉). The average lowest temperature is 23.9 ℃ (75.02 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 33.1 ℃ (91.58 ℉). At the end of February you can expect lower temperatures, the average highest temperature is around 32.95 ℃ (91.31 ℉). The average number of rainy days in February is 2. The average rainfall is 21.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:52 (hours and minutes), in the middle of the month 11:56 and at the end of the month 12:00.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Ghana in March is this: The average highest temperature in Ghana in March is 32.7 ℃ (90.86 ℉). The average lowest temperature is 24.1 ℃ (75.38 ℉). At the beginning of March you can expect higher temperatures, the average highest temperature is around 32.95 ℃ (91.31 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 32.9 ℃ (91.22 ℉). The average number of rainy days in March is 4.9. The average rainfall is 57 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:00 (hours and minutes), in the middle of the month 12:05 and at the end of the month 12:10.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Ghana in April is this: The average highest temperature in Ghana in April is 33.1 ℃ (91.58 ℉). The average lowest temperature is 24.1 ℃ (75.38 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 32.9 ℃ (91.22 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 32.25 ℃ (90.05 ℉). The average number of rainy days in April is 5.9. The average rainfall is 96 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:10 (hours and minutes), in the middle of the month 12:14 and at the end of the month 12:18.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Ghana in May is this: The average highest temperature in Ghana in May is 31.4 ℃ (88.52 ℉). The average lowest temperature is 24 ℃ (75.2 ℉). At the beginning of May you can expect higher temperatures, the average highest temperature is around 32.25 ℃ (90.05 ℉). At the end of May you can expect lower temperatures, the average highest temperature is around 30.6 ℃ (87.08 ℉). The average number of rainy days in May is 9.8. The average rainfall is 132.1 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:18 (hours and minutes), in the middle of the month 12:22 and at the end of the month 12:25.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Ghana in June is this: The average highest temperature in Ghana in June is 29.8 ℃ (85.64 ℉). The average lowest temperature is 23.7 ℃ (74.66 ℉). At the beginning of June you can expect higher temperatures, the average highest temperature is around 30.6 ℃ (87.08 ℉). At the end of June you can expect lower temperatures, the average highest temperature is around 29.35 ℃ (84.83 ℉). The average number of rainy days in June is 14.7. The average rainfall is 219.5 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:25 (hours and minutes), in the middle of the month 12:26 and at the end of the month 12:26.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Ghana in July is this: The average highest temperature in Ghana in July is 28.9 ℃ (84.02 ℉). The average lowest temperature is 22.4 ℃ (72.32 ℉). At the beginning of July you can expect higher temperatures, the average highest temperature is around 29.35 ℃ (84.83 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 28.35 ℃ (83.03 ℉). The average number of rainy days in July is 9. The average rainfall is 66.1 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:26 (hours and minutes), in the middle of the month 12:24 and at the end of the month 12:22.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.
Typical (usual) weather in Ghana in August is this: The average highest temperature in Ghana in August is 27.8 ℃ (82.04 ℉). The average lowest temperature is 22.5 ℃ (72.5 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 28.35 ℃ (83.03 ℉). At the end of August you can expect higher temperatures, the average highest temperature is around 28.7 ℃ (83.66 ℉). The average number of rainy days in August is 6.8. The average rainfall is 28 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:22 (hours and minutes), in the middle of the month 12:18 and at the end of the month 12:14.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Ghana in September is this: The average highest temperature in Ghana in September is 29.6 ℃ (85.28 ℉). The average lowest temperature is 22.9 ℃ (73.22 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 28.7 ℃ (83.66 ℉). At the end of September you can expect higher temperatures, the average highest temperature is around 30.45 ℃ (86.81 ℉). The average number of rainy days in September is 7.8. The average rainfall is 66.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:14 (hours and minutes), in the middle of the month 12:09 and at the end of the month 12:05.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Ghana in October is this: The average highest temperature in Ghana in October is 31.3 ℃ (88.34 ℉). The average lowest temperature is 24.4 ℃ (75.92 ℉). At the beginning of October you can expect lower temperatures, the average highest temperature is around 30.45 ℃ (86.81 ℉). At the end of October you can expect higher temperatures, the average highest temperature is around 31.65 ℃ (88.97 ℉). The average number of rainy days in October is 7.1. The average rainfall is 62.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:05 (hours and minutes), in the middle of the month 12:00 and at the end of the month 11:56.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Ghana in November is this: The average highest temperature in Ghana in November is 32 ℃ (89.6 ℉). The average lowest temperature is 23.5 ℃ (74.3 ℉). At the beginning of November you can expect lower temperatures, the average highest temperature is around 31.65 ℃ (88.97 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 31.95 ℃ (89.51 ℉). The average number of rainy days in November is 3.1. The average rainfall is 27.1 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:56 (hours and minutes), in the middle of the month 11:52 and at the end of the month 11:50.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Ghana in December is this: The average highest temperature in Ghana in December is 31.9 ℃ (89.42 ℉). The average lowest temperature is 23.3 ℃ (73.94 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 31.95 ℃ (89.51 ℉). At the end of December you can expect higher temperatures, the average highest temperature is around 32.45 ℃ (90.41 ℉). The average number of rainy days in December is 2. The average rainfall is 16.5 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:50 (hours and minutes), in the middle of the month 11:48 and at the end of the month 11:47.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.| Accra | temperature: - | highest temperature: 31.9 ℃ (89.42 ℉) | lowest temperature: 23.3 ℃ (73.94 ℉) | rainfall: 16.5mm | rainy days: 2 |
| Kumasi | temperature: - | highest temperature: 31.4 ℃ (88.52 ℉) | lowest temperature: 20.7 ℃ (69.26 ℉) | rainfall: 26mm | rainy days: 3 |