Do you need to know, when is the best time to go to Gambia? Then you should take a look here, what weather you can expect there during the year.
The climate of Gambia is tropical. There is a hot, rainy season from June to November, and cooler, dry season from November to May. You can generally expect a little bit lower temperatures along the coast than in the inland.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Banjul, Bintang, Brikama, Brufut, Gunjur, Janjanbureh, Juffureh, Kunta Kinteh Island, Serekunda, Tanji, Yundum.
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 April, the average maximum temperature is 33.8 ℃ (92.84 ℉). The average minimum temperature in this month is 18.6 ℃ (65.48 ℉). The coldest month here is August, the average maximum temperature is 30.1 ℃ (86.18 ℉). The average minimum temperature in this month is 23 ℃ (73.4 ℉). The most rainy month here is August, the average number of rainy days is 19.4. The least rainy month here is January, the average number of rainy days is 0. 
Typical (usual) weather in Gambia in January is this: The average highest temperature in Gambia in January is 32 ℃ (89.6 ℉). The average lowest temperature is 15.7 ℃ (60.26 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around 32.35 ℃ (90.23 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 32.85 ℃ (91.13 ℉). The average number of rainy days in January is 0. The average rainfall is 0.5 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 11:20 (hours and minutes), in the middle of the month 11:25 and at the end of the month 11:32.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in February is this: The average highest temperature in Gambia in February is 33.7 ℃ (92.66 ℉). The average lowest temperature is 16.8 ℃ (62.24 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 32.85 ℃ (91.13 ℉). At the end of February you can expect lower temperatures, the average highest temperature is around 33.7 ℃ (92.66 ℉). The average number of rainy days in February is 0. The average rainfall is 0 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 11:32 (hours and minutes), in the middle of the month 11:41 and at the end of the month 11:52.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in March is this: The average highest temperature in Gambia in March is 33.7 ℃ (92.66 ℉). The average lowest temperature is 17.8 ℃ (64.04 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 33.7 ℃ (92.66 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 33.75 ℃ (92.75 ℉). The average number of rainy days in March is 0. The average rainfall is 0 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 12:03 and at the end of the month 12:14.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in April is this: The average highest temperature in Gambia in April is 33.8 ℃ (92.84 ℉). The average lowest temperature is 18.6 ℃ (65.48 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 33.75 ℃ (92.75 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 33.2 ℃ (91.76 ℉). The average number of rainy days in April is 0. The average rainfall is 0 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 12:25 and at the end of the month 12:36.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in May is this: The average highest temperature in Gambia in May is 32.6 ℃ (90.68 ℉). The average lowest temperature is 20.4 ℃ (68.72 ℉). At the beginning of May you can expect higher temperatures, the average highest temperature is around 33.2 ℃ (91.76 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 32.7 ℃ (90.86 ℉). The average number of rainy days in May is 0. The average rainfall is 1.3 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 12:36 (hours and minutes), in the middle of the month 12:44 and at the end of the month 12:51.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in June is this: The average highest temperature in Gambia in June is 32.8 ℃ (91.04 ℉). The average lowest temperature is 23.6 ℃ (74.48 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 32.7 ℃ (90.86 ℉). At the end of June you can expect lower temperatures, the average highest temperature is around 31.65 ℃ (88.97 ℉). The average number of rainy days in June is 4.9. The average rainfall is 63.2 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 12:51 (hours and minutes), in the middle of the month 12:54 and at the end of the month 12:54.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in July is this: The average highest temperature in Gambia in July is 30.5 ℃ (86.9 ℉). The average lowest temperature is 24 ℃ (75.2 ℉). At the beginning of July you can expect higher temperatures, the average highest temperature is around 31.65 ℃ (88.97 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 30.3 ℃ (86.54 ℉). The average number of rainy days in July is 14. The average rainfall is 234.6 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 12:54 (hours and minutes), in the middle of the month 12:51 and at the end of the month 12:44.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in August is this: The average highest temperature in Gambia in August is 30.1 ℃ (86.18 ℉). The average lowest temperature is 23 ℃ (73.4 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 30.3 ℃ (86.54 ℉). At the end of August you can expect higher temperatures, the average highest temperature is around 30.55 ℃ (86.99 ℉). The average number of rainy days in August is 19.4. The average rainfall is 354.9 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 12:44 (hours and minutes), in the middle of the month 12:35 and at the end of the month 12:25.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in September is this: The average highest temperature in Gambia in September is 31 ℃ (87.8 ℉). The average lowest temperature is 23.3 ℃ (73.94 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 30.55 ℃ (86.99 ℉). At the end of September you can expect higher temperatures, the average highest temperature is around 31.6 ℃ (88.88 ℉). The average number of rainy days in September is 16. The average rainfall is 255 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 12:14 and at the end of the month 12:03.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in October is this: The average highest temperature in Gambia in October is 32.2 ℃ (89.96 ℉). The average lowest temperature is 22.7 ℃ (72.86 ℉). At the beginning of October you can expect lower temperatures, the average highest temperature is around 31.6 ℃ (88.88 ℉). At the end of October you can expect higher temperatures, the average highest temperature is around 32.5 ℃ (90.5 ℉). The average number of rainy days in October is 5.9. The average rainfall is 75.2 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 12:03 (hours and minutes), in the middle of the month 11:52 and at the end of the month 11:42.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in November is this: The average highest temperature in Gambia in November is 32.8 ℃ (91.04 ℉). The average lowest temperature is 19.5 ℃ (67.1 ℉). At the beginning of November you can expect lower temperatures, the average highest temperature is around 32.5 ℃ (90.5 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 32.75 ℃ (90.95 ℉). The average number of rainy days in November is 0. The average rainfall is 1.6 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 11:42 (hours and minutes), in the middle of the month 11:32 and at the end of the month 11:25.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Gambia in December is this: The average highest temperature in Gambia in December is 32.7 ℃ (90.86 ℉). The average lowest temperature is 16.3 ℃ (61.34 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 32.75 ℃ (90.95 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 32.35 ℃ (90.23 ℉). The average number of rainy days in December is 0. The average rainfall is 0.7 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 11:25 (hours and minutes), in the middle of the month 11:20 and at the end of the month 11:20.These numbers above are valid primarily for the capital and the area around it.