Climate averages 1991–2020
Bolgatanga weather
in January.
A very hot, very dry month: the joint 6th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a very hot month in Bolgatanga: daytime highs average 35.0°C and nights cool to about 20.5°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 January (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 34 min on an average January day.
The nearest other city in this atlas is Bawku (73 km away). In January 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 2nd of 26 for the warmest January highs and 2nd of 26 for the driest January (rainfall, lowest first). The mean January high of those 26 cities is 32.5°C; Bolgatanga is 2.5°C warmer than that mean.
From January to February, average highs rise by 2.4°C to 37.4°C, and monthly rainfall rises from under 1 mm to 1.8 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Bawku in JanuaryGhana · 73 kmHigh 34.4°C · Low 20.5°C · 0.1 mm rain
- Tamale in JanuaryGhana · 154 kmHigh 35.2°C · Low 20.8°C · 2.1 mm rain
- Pouytenga in JanuaryBurkina Faso · 169 kmHigh 32.8°C · Low 17.4°C · 0 mm rain
- Saaba in JanuaryBurkina Faso · 187 kmHigh 32.7°C · Low 17.9°C · 0.3 mm rain
- Ouagadougou in JanuaryBurkina Faso · 191 kmHigh 32.8°C · Low 17.7°C · 0.3 mm rain
- Fada N'gourma in JanuaryBurkina Faso · 194 kmHigh 33.6°C · Low 18.5°C · 0.1 mm rain
- Wa in JanuaryGhana · 198 kmHigh 34.5°C · Low 19.8°C · 0.9 mm rain
- Jirapa in JanuaryGhana · 204 kmHigh 34.7°C · Low 19.3°C · 0.5 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.