Climate averages 1991–2020
Ashaiman weather
in May.
A hot, wet month: the joint 6th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Ashaiman: daytime highs average 30.2°C and nights cool to about 25.3°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 92 mm of rain on roughly 17 days, which makes May a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 23 min on an average May day.
The nearest other city in this atlas is Medina Estates (15 km away). In May its highs average 29.9°C, about as warm as Ashaiman, with 108 mm of rain.
Among the 26 cities listed in Ghana, Ashaiman ranks joint 16th of 26 for the warmest May highs and 5th of 26 for the driest May (rainfall, lowest first). The mean May high of those 26 cities is 31.2°C; Ashaiman is 1.0°C cooler than that mean.
From May to June, average highs fall by 2.2°C to 28.0°C, and monthly rainfall rises from 92 mm to 137 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
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, selected | 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 | 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
May in nearby cities
- Medina Estates in MayGhana · 15 kmHigh 29.9°C · Low 24.7°C · 108 mm rain
- Accra in MayGhana · 24 kmHigh 29.5°C · Low 25.2°C · 119 mm rain
- Atsiaman in MayGhana · 32 kmHigh 30.3°C · Low 24.7°C · 108 mm rain
- Gbawe in MayGhana · 33 kmHigh 29.6°C · Low 25.0°C · 119 mm rain
- Amanfrom in MayGhana · 44 kmHigh 29.1°C · Low 24.9°C · 117 mm rain
- Koforidua in MayGhana · 50 kmHigh 30.3°C · Low 23.4°C · 167 mm rain
- Winneba in MayGhana · 76 kmHigh 29.6°C · Low 25.0°C · 152 mm rain
- Ho in MayGhana · 115 kmHigh 30.8°C · Low 23.6°C · 163 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.