Climate averages 1991–2020
Tamale weather
in May.
A very hot, moderately wet month: the joint 5th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Tamale: daytime highs average 34.7°C and nights cool to about 25.3°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 68 mm of rain on roughly 12 days, which makes May a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 33 min on an average May day.
The nearest other city in this atlas is Bolgatanga (154 km away). In May its highs average 36.4°C, 1.7°C warmer than Tamale, with 53 mm of rain.
Among the 26 cities listed in Ghana, Tamale ranks 4th of 26 for the warmest May highs and 3rd of 26 for the driest May (rainfall, lowest first). The mean May high of those 26 cities is 31.2°C; Tamale is 3.5°C warmer than that mean.
From May to June, average highs fall by 2.7°C to 32.0°C, and monthly rainfall rises from 68 mm to 78 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages 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
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 35.2°C20.8°C | 20.8°C | 2.1 | 0.3 | 11.612 h |
| February | 37.1°C23.1°C | 23.1°C | 5.7 | 1.4 | 11.812 h |
| March | 37.8°C25.7°C | 25.7°C | 21 | 4.7 | 12.112 h |
| April | 36.7°C26.1°C | 26.1°C | 51 | 9.5 | 12.312 h |
| May, selected | 34.7°C25.3°C | 25.3°C | 68 | 12.1 | 12.513 h |
| June | 32.0°C23.9°C | 23.9°C | 78 | 13.1 | 12.713 h |
| July | 29.5°C22.8°C | 22.8°C | 152 | 20.9 | 12.613 h |
| August | 28.5°C22.4°C | 22.4°C | 225 | 25.5 | 12.412 h |
| September | 29.0°C22.4°C | 22.4°C | 179 | 22.8 | 12.212 h |
| October | 30.7°C23.0°C | 23.0°C | 69 | 11.3 | 11.912 h |
| November | 33.8°C22.6°C | 22.6°C | 7.2 | 1.4 | 11.712 h |
| December | 34.7°C21.0°C | 21.0°C | 1.5 | 0.1 | 11.612 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
May in nearby cities
- Bolgatanga in MayGhana · 154 kmHigh 36.4°C · Low 26.2°C · 53 mm rain
- Bawku in MayGhana · 196 kmHigh 36.3°C · Low 26.3°C · 49 mm rain
- Wa in MayGhana · 196 kmHigh 34.1°C · Low 24.5°C · 100 mm rain
- Sokodé in MayTogo · 221 kmHigh 32.0°C · Low 23.0°C · 164 mm rain
- Kara in MayTogo · 223 kmHigh 32.9°C · Low 23.9°C · 144 mm rain
- Ejura in MayGhana · 231 kmHigh 32.3°C · Low 23.8°C · 105 mm rain
- Techiman in MayGhana · 235 kmHigh 30.9°C · Low 22.9°C · 130 mm rain
- Jirapa in MayGhana · 240 kmHigh 35.1°C · Low 24.9°C · 75 mm rain
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 limitsHow 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.