Climate averages 1991–2020
Sunyani weather
in May.
A hot, wet month: the 6th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Sunyani: daytime highs average 31.1°C and nights cool to about 23.5°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 98 mm of rain on roughly 18 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 27 min on an average May day.
The nearest other city in this atlas is Berekum (31 km away). In May its highs average 31.2°C, about as warm as Sunyani, with 94 mm of rain.
Among the 26 cities listed in Ghana, Sunyani ranks 9th of 26 for the warmest May highs and 7th of 26 for the driest May (rainfall, lowest first). The mean May high of those 26 cities is 31.2°C; Sunyani is 0.1°C cooler than that mean.
From May to June, average highs fall by 1.9°C to 29.2°C, and monthly rainfall rises from 98 mm to 102 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
Sunyani climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 33.5°C21.9°C | 21.9°C | 15 | 3.0 | 11.712 h |
| February | 34.4°C23.4°C | 23.4°C | 36 | 6.1 | 11.912 h |
| March | 33.3°C23.9°C | 23.9°C | 86 | 14.6 | 12.112 h |
| April | 32.2°C23.8°C | 23.8°C | 100 | 16.4 | 12.312 h |
| May, selected | 31.1°C23.5°C | 23.5°C | 98 | 18.3 | 12.512 h |
| June | 29.2°C22.5°C | 22.5°C | 102 | 19.1 | 12.513 h |
| July | 28.0°C21.8°C | 21.8°C | 83 | 16.4 | 12.513 h |
| August | 27.8°C21.7°C | 21.7°C | 91 | 16.9 | 12.412 h |
| September | 28.2°C21.9°C | 21.9°C | 132 | 22.0 | 12.212 h |
| October | 28.9°C22.1°C | 22.1°C | 116 | 21.1 | 12.012 h |
| November | 30.1°C22.2°C | 22.2°C | 57 | 10.9 | 11.812 h |
| December | 31.9°C21.8°C | 21.8°C | 18 | 3.4 | 11.712 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
- Berekum in MayGhana · 31 kmHigh 31.2°C · Low 23.5°C · 94 mm rain
- Techiman in MayGhana · 51 kmHigh 30.9°C · Low 22.9°C · 130 mm rain
- Japekrom in MayGhana · 57 kmHigh 31.3°C · Low 23.7°C · 105 mm rain
- Bondoukou in MayIvory Coast · 94 kmHigh 31.2°C · Low 23.2°C · 112 mm rain
- Kumasi in MayGhana · 106 kmHigh 30.6°C · Low 23.4°C · 117 mm rain
- Ejura in MayGhana · 107 kmHigh 32.3°C · Low 23.8°C · 105 mm rain
- Abengourou in MayIvory Coast · 146 kmHigh 31.2°C · Low 23.5°C · 113 mm rain
- Obuase in MayGhana · 146 kmHigh 30.2°C · Low 23.3°C · 142 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 Sunyani) is explained once on the Sunyani year overview and on the Sources, method and limits page.