Climate averages 1991–2020
Ashaiman weather
in December.
A hot, fairly dry month: the 5th warmest and the joint 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Ashaiman: daytime highs average 31.1°C and nights cool to about 25.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 20 mm of rain on roughly 6 days, which makes December a fairly dry month (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 48 min on an average December day.
The nearest other city in this atlas is Medina Estates (15 km away). In December its highs average 30.8°C, about as warm as Ashaiman, with 32 mm of rain.
Among the 26 cities listed in Ghana, Ashaiman ranks joint 15th of 26 for the warmest December highs and 10th of 26 for the driest December (rainfall, lowest first). The mean December high of those 26 cities is 31.7°C; Ashaiman is 0.6°C cooler than that mean.
From December to January, average highs rise by 0.4°C to 31.5°C, and monthly rainfall falls from 20 mm to 15 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
Ashaiman climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.5°C24.9°C | 24.9°C | 15 | 4.2 | 11.812 h |
| February | 31.9°C25.7°C | 25.7°C | 20 | 5.2 | 11.912 h |
| March | 32.0°C26.0°C | 26.0°C | 34 | 8.2 | 12.112 h |
| April | 31.6°C25.9°C | 25.9°C | 46 | 10.8 | 12.212 h |
| May | 30.2°C25.3°C | 25.3°C | 92 | 16.5 | 12.412 h |
| June | 28.0°C24.2°C | 24.2°C | 137 | 18.8 | 12.412 h |
| July | 27.0°C23.4°C | 23.4°C | 60 | 10.4 | 12.412 h |
| August | 27.0°C22.9°C | 22.9°C | 35 | 8.5 | 12.312 h |
| September | 27.8°C23.5°C | 23.5°C | 57 | 12.3 | 12.212 h |
| October | 29.0°C24.1°C | 24.1°C | 62 | 13.2 | 12.012 h |
| November | 30.2°C24.9°C | 24.9°C | 34 | 9.9 | 11.912 h |
| December, selected | 31.1°C25.1°C | 25.1°C | 20 | 5.6 | 11.812 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
- Medina Estates in DecemberGhana · 15 kmHigh 30.8°C · Low 24.3°C · 32 mm rain
- Accra in DecemberGhana · 24 kmHigh 30.3°C · Low 24.9°C · 22 mm rain
- Atsiaman in DecemberGhana · 32 kmHigh 31.1°C · Low 24.2°C · 32 mm rain
- Gbawe in DecemberGhana · 33 kmHigh 30.5°C · Low 24.6°C · 22 mm rain
- Amanfrom in DecemberGhana · 44 kmHigh 29.8°C · Low 24.5°C · 25 mm rain
- Koforidua in DecemberGhana · 50 kmHigh 31.3°C · Low 22.7°C · 42 mm rain
- Winneba in DecemberGhana · 76 kmHigh 30.2°C · Low 24.7°C · 26 mm rain
- Ho in DecemberGhana · 115 kmHigh 31.8°C · Low 23.0°C · 33 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 Ashaiman) is explained once on the Ashaiman year overview and on the Sources, method and limits page.