Climate Insights for Wa

Wa, Upper West Region, Ghana

Hottest
March
38°C peak
Coldest
December
20°C low
Wettest
August
237mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Wa is hot. The average annual temperature is 29°C and approximately 829mm of precipitation falls per year. August is the wettest month, receiving around 237mm of rainfall. Wa is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: March, April, February. The coldest months are December, January, November, when temperatures can drop to 20°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 35° Average: 28° Min: 21° Feb Max: 37° Average: 30° Min: 24° Mar Max: 38° Average: 32° Min: 27° Apr Max: 37° Average: 32° Min: 27° May Max: 35° Average: 30° Min: 26° Jun Max: 32° Average: 28° Min: 24° Jul Max: 30° Average: 27° Min: 24° Aug Max: 29° Average: 26° Min: 23° Sep Max: 30° Average: 26° Min: 23° Oct Max: 33° Average: 28° Min: 23° Nov Max: 36° Average: 29° Min: 23° Dec Max: 35° Average: 27° Min: 20°
Max
Average
Min

Wa sees moderate temperature variation throughout the year, ranging from 20°C to 38°C. March is the hottest month, with daytime highs reaching 38°C and an average of 32°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 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between January and February, with a 3°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: 5mm Mar Precipitation: 19mm Apr Precipitation: 35mm May Precipitation: 57mm Jun Precipitation: 86mm Jul Precipitation: 159mm Aug Precipitation: 237mm Sep Precipitation: 149mm Oct Precipitation: 77mm Nov Precipitation: 6mm Dec Precipitation: 0mm
Precipitation

Wa is a moderately rainy area, receiving approximately 829mm of precipitation annually, which averages out to around 69mm per month. The wettest month is August, averaging 237mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 237mm 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 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 14km/h Feb Wind Speed: 15km/h Mar Wind Speed: 15km/h Apr Wind Speed: 17km/h May Wind Speed: 16km/h Jun Wind Speed: 16km/h Jul Wind Speed: 17km/h Aug Wind Speed: 16km/h Sep Wind Speed: 12km/h Oct Wind Speed: 11km/h Nov Wind Speed: 12km/h Dec Wind Speed: 14km/h
Wind Speed

Wa is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months.

Seasons

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

89 days until Summer

It is currently spring in Wa, which began on March 20, 2026. Wa 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 March at around 38°C, while the coldest stretch bottoms out in December near 20°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 26 to 38°C. Rainfall is relatively light, with around 110mm over the season and a monthly average of 37mm. Winds are moderate at around 16km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 482mm across the season with a monthly average of 161mm. Winds are moderate at around 16km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 36°C. Precipitation is moderate at around 232mm for the season, averaging 77mm per month. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 20 to 37°C. Precipitation is minimal, with only around 5mm for the entire season. Winds are generally light, averaging 14km/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 Wa 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
21 °C
35 °C
14 km/h
0 mm
0 cm
Feb
24 °C
37 °C
15 km/h
5 mm
0 cm
Mar Current
27 °C
38 °C
15 km/h
19 mm
0 cm
Apr
27 °C
37 °C
17 km/h
35 mm
0 cm
May
26 °C
35 °C
16 km/h
57 mm
0 cm
Jun
24 °C
32 °C
16 km/h
86 mm
0 cm
Jul
24 °C
30 °C
17 km/h
159 mm
0 cm
Aug
23 °C
29 °C
16 km/h
237 mm
0 cm
Sep
23 °C
30 °C
12 km/h
149 mm
0 cm
Oct
23 °C
33 °C
11 km/h
77 mm
0 cm
Nov
23 °C
36 °C
12 km/h
6 mm
0 cm
Dec
20 °C
35 °C
14 km/h
0 mm
0 cm
Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)