Do you need to know, when is the best time to go to Equatorial Guinea? Then you should take a look here, what weather you can expect there during the year.
The climate of Equatorial Guinea is tropical. Generally speaking, there is always hot, humid weather. You can also expect heavy rainfall sometimes, and much cloud cover. The wet seasons in the inland are from February to June and from September to December, but rainfall is higher on the coast than inland. The dry season, which is not so dry here, is from November to March.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Annobón, Bata, Bioko, Malabo, Río Muni.
Let's look now what weather you can expect here. (Warning: As we don't have reliable data for this country, we use data from nearby locations for these statistics.) The warmest month here is March, the average maximum temperature is 33.1 ℃ (91.58 ℉). The average minimum temperature in this month is 23.6 ℃ (74.48 ℉). The coldest month here is July, the average maximum temperature is 29 ℃ (84.2 ℉). The average minimum temperature in this month is 22.9 ℃ (73.22 ℉). The most rainy month here is September, the average number of rainy days is 27.1. The least rainy month here is December, the average number of rainy days is 8.8. 
When travelling to some places in Equatorial Guinea, always consider the altitude of the the place as well. The highest point here is Pico Basile (3008 m) and the lowest point is Atlantic Ocean (0 m). So there are huge differences in altitudes in this country and the weather is very different in them therefore. 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 Equatorial Guinea in January is this: The average highest temperature in Equatorial Guinea in January is 31.5 ℃ (88.7 ℉). The average lowest temperature is 24.2 ℃ (75.56 ℉). At the beginning of January you can expect lower temperatures, the average highest temperature is around 31.3 ℃ (88.34 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 32.15 ℃ (89.87 ℉). The average number of rainy days in January is 8.9. The average rainfall is 67.9 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 11:57 (hours and minutes), in the middle of the month 11:58 and at the end of the month 11:59.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in February is this: The average highest temperature in Equatorial Guinea in February is 32.8 ℃ (91.04 ℉). The average lowest temperature is 25.8 ℃ (78.44 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 32.15 ℃ (89.87 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 32.95 ℃ (91.31 ℉). The average number of rainy days in February is 10.2. The average rainfall is 86.2 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 11:59 (hours and minutes), in the middle of the month 12:01 and at the end of the month 12:03.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in March is this: The average highest temperature in Equatorial Guinea in March is 33.1 ℃ (91.58 ℉). The average lowest temperature is 23.6 ℃ (74.48 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 32.95 ℃ (91.31 ℉). At the end of March you can expect lower temperatures, the average highest temperature is around 32.4 ℃ (90.32 ℉). The average number of rainy days in March is 14.1. The average rainfall is 189.6 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 12:03 (hours and minutes), in the middle of the month 12:05 and at the end of the month 12:08.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in April is this: The average highest temperature in Equatorial Guinea in April is 31.7 ℃ (89.06 ℉). The average lowest temperature is 23.7 ℃ (74.66 ℉). At the beginning of April you can expect higher temperatures, the average highest temperature is around 32.4 ℃ (90.32 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). The average number of rainy days in April is 16.7. The average rainfall is 240.9 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 12:08 (hours and minutes), in the middle of the month 12:10 and at the end of the month 12:13.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in May is this: The average highest temperature in Equatorial Guinea in May is 31.3 ℃ (88.34 ℉). The average lowest temperature is 24.1 ℃ (75.38 ℉). At the beginning of May you can expect higher temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). At the end of May you can expect lower temperatures, the average highest temperature is around 30.45 ℃ (86.81 ℉). The average number of rainy days in May is 20. The average rainfall is 294.7 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 12:13 (hours and minutes), in the middle of the month 12:15 and at the end of the month 12:16.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in June is this: The average highest temperature in Equatorial Guinea in June is 29.6 ℃ (85.28 ℉). The average lowest temperature is 23.1 ℃ (73.58 ℉). At the beginning of June you can expect higher temperatures, the average highest temperature is around 30.45 ℃ (86.81 ℉). At the end of June you can expect lower temperatures, the average highest temperature is around 29.3 ℃ (84.74 ℉). The average number of rainy days in June is 17.9. The average rainfall is 278.5 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 12:16 (hours and minutes), in the middle of the month 12:17 and at the end of the month 12:17.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in July is this: The average highest temperature in Equatorial Guinea in July is 29 ℃ (84.2 ℉). The average lowest temperature is 22.9 ℃ (73.22 ℉). At the beginning of July you can expect higher temperatures, the average highest temperature is around 29.3 ℃ (84.74 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 29 ℃ (84.2 ℉). The average number of rainy days in July is 16.1. The average rainfall is 244.2 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 12:17 (hours and minutes), in the middle of the month 12:16 and at the end of the month 12:15.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in August is this: The average highest temperature in Equatorial Guinea in August is 29 ℃ (84.2 ℉). The average lowest temperature is 23.2 ℃ (73.76 ℉). At the beginning of August you can expect lower temperatures, the average highest temperature is around 29 ℃ (84.2 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 29 ℃ (84.2 ℉). The average number of rainy days in August is 22.1. The average rainfall is 310.8 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 12:15 (hours and minutes), in the middle of the month 12:13 and at the end of the month 12:10.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in September is this: The average highest temperature in Equatorial Guinea in September is 29 ℃ (84.2 ℉). The average lowest temperature is 22.6 ℃ (72.68 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 29 ℃ (84.2 ℉). At the end of September you can expect higher temperatures, the average highest temperature is around 29.3 ℃ (84.74 ℉). The average number of rainy days in September is 27.1. The average rainfall is 474.6 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 12:10 (hours and minutes), in the middle of the month 12:08 and at the end of the month 12:05.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in October is this: The average highest temperature in Equatorial Guinea in October is 29.6 ℃ (85.28 ℉). The average lowest temperature is 24.5 ℃ (76.1 ℉). At the beginning of October you can expect lower temperatures, the average highest temperature is around 29.3 ℃ (84.74 ℉). At the end of October you can expect higher temperatures, the average highest temperature is around 30 ℃ (86 ℉). The average number of rainy days in October is 25.9. The average rainfall is 453.7 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 12:03 and at the end of the month 12:01.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in November is this: The average highest temperature in Equatorial Guinea in November is 30.4 ℃ (86.72 ℉). 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 30 ℃ (86 ℉). At the end of November you can expect higher temperatures, the average highest temperature is around 30.75 ℃ (87.35 ℉). The average number of rainy days in November is 15.7. The average rainfall is 160.8 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 12:01 (hours and minutes), in the middle of the month 11:59 and at the end of the month 11:58.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Equatorial Guinea in December is this: The average highest temperature in Equatorial Guinea in December is 31.1 ℃ (87.98 ℉). The average lowest temperature is 23.8 ℃ (74.84 ℉). At the beginning of December you can expect lower temperatures, the average highest temperature is around 30.75 ℃ (87.35 ℉). At the end of December you can expect higher temperatures, the average highest temperature is around 31.3 ℃ (88.34 ℉). The average number of rainy days in December is 8.8. The average rainfall is 60.8 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 11:58 (hours and minutes), in the middle of the month 11:57 and at the end of the month 11:57.This data is approximate because we do not have exact data for this country. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.