Climate averages 1991–2020
Wa weather
in May.
A very hot, wet month: the 6th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Wa: daytime highs average 34.1°C and nights cool to about 24.5°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 100 mm of rain on roughly 15 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 35 min on an average May day.
The nearest other city in this atlas is Jirapa (57 km away). In May its highs average 35.1°C, 1.0°C warmer than Wa, with 75 mm of rain.
Among the 26 cities listed in Ghana, Wa ranks 5th of 26 for the warmest May highs and 8th of 26 for the driest May (rainfall, lowest first). The mean May high of those 26 cities is 31.2°C; Wa is 3.0°C warmer than that mean.
From May to June, average highs fall by 2.4°C to 31.7°C, and monthly rainfall rises from 100 mm to 101 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
Wa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 34.5°C19.8°C | 19.8°C | 0.9 | 0.3 | 11.612 h |
| February | 36.7°C22.1°C | 22.1°C | 6.0 | 1.1 | 11.812 h |
| March | 37.7°C24.6°C | 24.6°C | 26 | 5.2 | 12.112 h |
| April | 36.4°C25.3°C | 25.3°C | 68 | 11.5 | 12.312 h |
| May, selected | 34.1°C24.5°C | 24.5°C | 100 | 15.2 | 12.613 h |
| June | 31.7°C23.3°C | 23.3°C | 101 | 16.4 | 12.713 h |
| July | 29.2°C22.3°C | 22.3°C | 160 | 21.8 | 12.613 h |
| August | 28.2°C21.9°C | 21.9°C | 224 | 25.6 | 12.512 h |
| September | 28.9°C21.9°C | 21.9°C | 190 | 23.5 | 12.212 h |
| October | 30.8°C22.4°C | 22.4°C | 88 | 14.3 | 11.912 h |
| November | 33.7°C21.4°C | 21.4°C | 10 | 1.9 | 11.712 h |
| December | 34.3°C20.0°C | 20.0°C | 0.4 | 0.2 | 11.512 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
- Jirapa in MayGhana · 57 kmHigh 35.1°C · Low 24.9°C · 75 mm rain
- Houndé in MayBurkina Faso · 195 kmHigh 36.4°C · Low 25.6°C · 58 mm rain
- Tamale in MayGhana · 196 kmHigh 34.7°C · Low 25.3°C · 68 mm rain
- Bolgatanga in MayGhana · 198 kmHigh 36.4°C · Low 26.2°C · 53 mm rain
- Bondoukou in MayIvory Coast · 227 kmHigh 31.2°C · Low 23.2°C · 112 mm rain
- Bobo-Dioulasso in MayBurkina Faso · 232 kmHigh 35.1°C · Low 24.6°C · 66 mm rain
- Koudougou in MayBurkina Faso · 244 kmHigh 37.8°C · Low 26.9°C · 31 mm rain
- Banfora in MayBurkina Faso · 255 kmHigh 35.1°C · Low 24.7°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 Wa) is explained once on the Wa year overview and on the Sources, method and limits page.