Climate Insights for Nyamanari

Upper River, Gambia

Hottest
April
42°C peak
Coldest
December
20°C low
Wettest
August
246mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Nyamanari is hot. The average annual temperature is 30°C and approximately 679mm of precipitation falls per year. August is the wettest month, receiving around 246mm of rainfall. Nyamanari is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are December, January, November, when temperatures can drop to 20°C.

Temperature

0° 10° 20° 30° 40° 50° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 36° Average: 28° Min: 20° Feb Max: 38° Average: 30° Min: 23° Mar Max: 41° Average: 33° Min: 25° Apr Max: 42° Average: 34° Min: 27° May Max: 41° Average: 34° Min: 28° Jun Max: 38° Average: 32° Min: 27° Jul Max: 33° Average: 29° Min: 25° Aug Max: 31° Average: 28° Min: 25° Sep Max: 32° Average: 28° Min: 24° Oct Max: 34° Average: 29° Min: 24° Nov Max: 36° Average: 29° Min: 22° Dec Max: 36° Average: 27° Min: 20°
Max
Average
Min

Temperatures in Nyamanari vary considerably across the year, with a 22°C difference between the coldest and warmest months. April is the hottest month, with daytime highs reaching 42°C and an average of 34°C. December is the coolest month, with minimum temperatures around 20°C and an average of 27°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between June and July, with a 4°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 0mm Feb Precipitation: 0mm Mar Precipitation: 0mm Apr Precipitation: 0mm May Precipitation: 6mm Jun Precipitation: 31mm Jul Precipitation: 139mm Aug Precipitation: 246mm Sep Precipitation: 196mm Oct Precipitation: 60mm Nov Precipitation: 1mm Dec Precipitation: 0mm
Precipitation

Nyamanari is a relatively dry area, receiving approximately 679mm of precipitation annually, which averages out to around 57mm per month. The wettest month is August, averaging 246mm of rainfall. September and July also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 246mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 11km/h Feb Wind Speed: 11km/h Mar Wind Speed: 10km/h Apr Wind Speed: 11km/h May Wind Speed: 12km/h Jun Wind Speed: 13km/h Jul Wind Speed: 11km/h Aug Wind Speed: 10km/h Sep Wind Speed: 8km/h Oct Wind Speed: 8km/h Nov Wind Speed: 8km/h Dec Wind Speed: 10km/h
Wind Speed

Nyamanari is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

88 days until Winter

It is currently autumn in Nyamanari, which began on September 23, 2026. Nyamanari is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in April at around 42°C, while the coldest stretch bottoms out in December near 20°C. Winter is next, beginning on December 21, 2026 (88 days from now).

Spring

Temperatures range from 25 to 42°C. Precipitation is minimal, with only around 6mm for the entire season. Winds are generally light, averaging 11km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.

Summer

Temperatures range from 25 to 38°C. Rainfall is heavy, totalling around 416mm across the season with a monthly average of 139mm. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 22 to 36°C. Precipitation is moderate at around 257mm for the season, averaging 86mm per month. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 20 to 38°C. Precipitation is minimal, with only around 0mm for the entire season. Winds are generally light, averaging 11km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Nyamanari based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
20 °C
36 °C
11 km/h
0 mm
0 cm
Feb
23 °C
38 °C
11 km/h
0 mm
0 cm
Mar
25 °C
41 °C
10 km/h
0 mm
0 cm
Apr
27 °C
42 °C
11 km/h
0 mm
0 cm
May
28 °C
41 °C
12 km/h
6 mm
0 cm
Jun
27 °C
38 °C
13 km/h
31 mm
0 cm
Jul
25 °C
33 °C
11 km/h
139 mm
0 cm
Aug
25 °C
31 °C
10 km/h
246 mm
0 cm
Sep Current
24 °C
32 °C
8 km/h
196 mm
0 cm
Oct
24 °C
34 °C
8 km/h
60 mm
0 cm
Nov
22 °C
36 °C
8 km/h
1 mm
0 cm
Dec
20 °C
36 °C
10 km/h
0 mm
0 cm
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Metric (°C, km/h)