Climate averages 1991–2020

Tamale weather
in August.

A hot, very wet month: the coolest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 28.5°C Daytime mean, August
Average low 22.4°C Night-time mean, August
Rainfall 225 mm 26 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Tamale · average highYear overview

August is a hot month in Tamale: daytime highs average 28.5°C and nights cool to about 22.4°C. By daytime temperature it is the coolest month of the year.

Expect about 225 mm of rain on roughly 26 days, which makes August a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average August day.

The nearest other city in this atlas is Bolgatanga (154 km away). In August its highs average 28.9°C, about as warm as Tamale, with 211 mm of rain.

Among the 26 cities listed in Ghana, Tamale ranks joint 4th of 26 for the warmest August highs and 25th of 26 for the driest August (rainfall, lowest first). The mean August high of those 26 cities is 27.5°C; Tamale is 1.0°C warmer than that mean.

From August to September, average highs rise by 0.5°C to 29.0°C, and monthly rainfall falls from 225 mm to 179 mm.

The annual picture

August in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 152025303540 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Tamale climate table

1991–2020
Monthly climate averages for Tamale, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 35.2°C20.8°C20.8°C2.10.311.612 h
February 37.1°C23.1°C23.1°C5.71.411.812 h
March 37.8°C25.7°C25.7°C214.712.112 h
April 36.7°C26.1°C26.1°C519.512.312 h
May 34.7°C25.3°C25.3°C6812.112.513 h
June 32.0°C23.9°C23.9°C7813.112.713 h
July 29.5°C22.8°C22.8°C15220.912.613 h
August, selected 28.5°C22.4°C22.4°C22525.512.412 h
September 29.0°C22.4°C22.4°C17922.812.212 h
October 30.7°C23.0°C23.0°C6911.311.912 h
November 33.8°C22.6°C22.6°C7.21.411.712 h
December 34.7°C21.0°C21.0°C1.50.111.612 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

August in nearby cities

Distance from Tamale

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tamale) is explained once on the Tamale year overview and on the Sources, method and limits page.