Climate averages 1991–2020
Bolgatanga weather
in December.
A very hot, very dry month: the joint 6th 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 Bolgatanga: daytime highs average 35.0°C and nights cool to about 20.7°C. By daytime temperature it is the joint 6th 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 30 min on an average December day.
The nearest other city in this atlas is Bawku (73 km away). In December its highs average 34.4°C, 0.6°C cooler than Bolgatanga, with almost no rain (under 1 mm).
Among the 26 cities listed in Ghana, Bolgatanga ranks 1st of 26 for the warmest December highs and 2nd of 26 for the driest December (rainfall, lowest first). The mean December high of those 26 cities is 31.7°C; Bolgatanga is 3.3°C warmer than that mean.
From December to January, average highs stay level at 35.0°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
Bolgatanga climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 35.0°C20.5°C | 20.5°C | 0.3 | 0.1 | 11.612 h |
| February | 37.4°C22.7°C | 22.7°C | 1.8 | 0.5 | 11.812 h |
| March | 39.1°C25.4°C | 25.4°C | 10 | 2.3 | 12.112 h |
| April | 38.6°C26.9°C | 26.9°C | 32 | 6.2 | 12.412 h |
| May | 36.4°C26.2°C | 26.2°C | 53 | 10.3 | 12.613 h |
| June | 33.6°C24.6°C | 24.6°C | 62 | 11.3 | 12.713 h |
| July | 30.5°C23.2°C | 23.2°C | 132 | 19.2 | 12.713 h |
| August | 28.9°C22.6°C | 22.6°C | 211 | 25.2 | 12.512 h |
| September | 29.6°C22.6°C | 22.6°C | 144 | 18.4 | 12.212 h |
| October | 32.3°C23.2°C | 23.2°C | 46 | 8.7 | 11.912 h |
| November | 35.3°C22.0°C | 22.0°C | 3.6 | 0.6 | 11.612 h |
| December, selected | 35.0°C20.7°C | 20.7°C | 0.1 | 0.0 | 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
- Bawku in DecemberGhana · 73 kmHigh 34.4°C · Low 20.7°C · 0 mm rain
- Tamale in DecemberGhana · 154 kmHigh 34.7°C · Low 21.0°C · 1.5 mm rain
- Pouytenga in DecemberBurkina Faso · 169 kmHigh 33.4°C · Low 18.0°C · 0 mm rain
- Saaba in DecemberBurkina Faso · 187 kmHigh 33.3°C · Low 18.4°C · 0 mm rain
- Ouagadougou in DecemberBurkina Faso · 191 kmHigh 33.4°C · Low 18.2°C · 0 mm rain
- Fada N'gourma in DecemberBurkina Faso · 194 kmHigh 34.2°C · Low 19.2°C · 0 mm rain
- Wa in DecemberGhana · 198 kmHigh 34.3°C · Low 20.0°C · 0.4 mm rain
- Jirapa in DecemberGhana · 204 kmHigh 34.5°C · Low 19.5°C · 0.2 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 Bolgatanga) is explained once on the Bolgatanga year overview and on the Sources, method and limits page.