Climate averages 1991–2020
Grand-Bassam weather
in May.
A warm, very wet month: the 6th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Grand-Bassam: daytime highs average 27.9°C and nights cool to about 25.3°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 206 mm of rain on roughly 28 days, which makes May a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average May day.
The nearest other city in this atlas is Bingerville (23 km away). In May its highs average 28.8°C, 0.9°C warmer than Grand-Bassam, with 205 mm of rain.
Among the 30 cities listed in Ivory Coast, Grand-Bassam ranks 30th of 30 for the warmest May highs and 28th of 30 for the driest May (rainfall, lowest first). The mean May high of those 30 cities is 30.6°C; Grand-Bassam is 2.6°C cooler than that mean.
From May to June, average highs fall by 1.3°C to 26.6°C, and monthly rainfall rises from 206 mm to 250 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
Grand-Bassam climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.1°C25.5°C | 25.5°C | 47 | 13.7 | 11.912 h |
| February | 28.3°C25.9°C | 25.9°C | 55 | 16.5 | 12.012 h |
| March | 28.6°C26.1°C | 26.1°C | 78 | 20.2 | 12.112 h |
| April | 28.6°C25.9°C | 25.9°C | 103 | 21.9 | 12.212 h |
| May, selected | 27.9°C25.3°C | 25.3°C | 206 | 27.9 | 12.412 h |
| June | 26.6°C24.4°C | 24.4°C | 250 | 27.3 | 12.412 h |
| July | 25.6°C23.8°C | 23.8°C | 129 | 19.8 | 12.412 h |
| August | 25.1°C23.3°C | 23.3°C | 64 | 14.3 | 12.312 h |
| September | 25.6°C23.6°C | 23.6°C | 88 | 18.3 | 12.112 h |
| October | 26.7°C24.3°C | 24.3°C | 107 | 24.2 | 12.012 h |
| November | 27.8°C25.0°C | 25.0°C | 93 | 24.2 | 11.912 h |
| December | 28.1°C25.6°C | 25.6°C | 63 | 18.9 | 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
- Bingerville in MayIvory Coast · 23 kmHigh 28.8°C · Low 24.1°C · 205 mm rain
- Koumassi in MayIvory Coast · 27 kmHigh 28.4°C · Low 25.0°C · 205 mm rain
- Abidjan in MayIvory Coast · 33 kmHigh 28.9°C · Low 24.2°C · 205 mm rain
- Anyama in MayIvory Coast · 47 kmHigh 29.2°C · Low 23.4°C · 230 mm rain
- Dabou in MayIvory Coast · 72 kmHigh 28.5°C · Low 24.7°C · 186 mm rain
- Agboville in MayIvory Coast · 95 kmHigh 30.7°C · Low 23.5°C · 152 mm rain
- Adzopé in MayIvory Coast · 100 kmHigh 30.4°C · Low 23.4°C · 168 mm rain
- Abengourou in MayIvory Coast · 171 kmHigh 31.2°C · Low 23.5°C · 113 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 Grand-Bassam) is explained once on the Grand-Bassam year overview and on the Sources, method and limits page.