Climate averages 1991–2020
Wa weather
in December.
A very hot, very dry month: the 5th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a very hot month in Wa: daytime highs average 34.3°C and nights cool to about 20.0°C. By daytime temperature it is the 5th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical December (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 33 min on an average December day.
The nearest other city in this atlas is Jirapa (57 km away). In December its highs average 34.5°C, about as warm as Wa, with almost no rain (under 1 mm).
Among the 26 cities listed in Ghana, Wa ranks 5th of 26 for the warmest December highs and 4th of 26 for the driest December (rainfall, lowest first). The mean December high of those 26 cities is 31.7°C; Wa is 2.6°C warmer than that mean.
From December to January, average highs rise by 0.3°C to 34.5°C, and monthly rainfall stays under 1 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Jirapa in DecemberGhana · 57 kmHigh 34.5°C · Low 19.5°C · 0.2 mm rain
- Houndé in DecemberBurkina Faso · 195 kmHigh 34.1°C · Low 19.1°C · 0.1 mm rain
- Tamale in DecemberGhana · 196 kmHigh 34.7°C · Low 21.0°C · 1.5 mm rain
- Bolgatanga in DecemberGhana · 198 kmHigh 35.0°C · Low 20.7°C · 0.1 mm rain
- Bondoukou in DecemberIvory Coast · 227 kmHigh 32.6°C · Low 20.9°C · 15 mm rain
- Bobo-Dioulasso in DecemberBurkina Faso · 232 kmHigh 33.0°C · Low 18.3°C · 0 mm rain
- Koudougou in DecemberBurkina Faso · 244 kmHigh 33.6°C · Low 19.6°C · 0 mm rain
- Banfora in DecemberBurkina Faso · 255 kmHigh 34.1°C · Low 19.9°C · 0.6 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.