Climate averages 1991–2020
Iseyin weather
in May.
A hot, wet month: the 7th 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 Iseyin: daytime highs average 31.5°C and nights cool to about 23.5°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 123 mm of rain on roughly 19 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 29 min on an average May day.
The nearest other city in this atlas is Oyo (39 km away). In May its highs average 31.1°C, about as warm as Iseyin, with 119 mm of rain.
Among the 143 cities listed in Nigeria, Iseyin ranks 46th of 143 for the warmest May highs and joint 43rd of 143 for the driest May (rainfall, lowest first). The mean May high of those 143 cities is 31.7°C; Iseyin is 0.2°C cooler than that mean.
From May to June, average highs fall by 2.1°C to 29.4°C, and monthly rainfall rises from 123 mm to 155 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
Iseyin climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 34.2°C21.4°C | 21.4°C | 6.9 | 1.7 | 11.712 h |
| February | 35.2°C22.7°C | 22.7°C | 16 | 3.6 | 11.912 h |
| March | 34.9°C23.9°C | 23.9°C | 47 | 9.9 | 12.112 h |
| April | 33.3°C24.0°C | 24.0°C | 79 | 13.7 | 12.312 h |
| May, selected | 31.5°C23.5°C | 23.5°C | 123 | 19.2 | 12.512 h |
| June | 29.4°C22.5°C | 22.5°C | 155 | 23.0 | 12.613 h |
| July | 28.1°C21.7°C | 21.7°C | 170 | 24.6 | 12.513 h |
| August | 27.8°C21.4°C | 21.4°C | 174 | 23.7 | 12.412 h |
| September | 28.8°C21.8°C | 21.8°C | 167 | 23.6 | 12.212 h |
| October | 30.1°C22.3°C | 22.3°C | 102 | 17.9 | 12.012 h |
| November | 32.4°C22.8°C | 22.8°C | 15 | 3.6 | 11.812 h |
| December | 33.5°C21.5°C | 21.5°C | 4.4 | 1.0 | 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
- Oyo in MayNigeria · 39 kmHigh 31.1°C · Low 23.7°C · 119 mm rain
- Fiditi in MayNigeria · 45 kmHigh 30.6°C · Low 23.6°C · 119 mm rain
- Orita-Eruwa in MayNigeria · 49 kmHigh 31.3°C · Low 23.7°C · 141 mm rain
- Igbo-Ora in MayNigeria · 69 kmHigh 30.9°C · Low 23.8°C · 140 mm rain
- Ogbomoso in MayNigeria · 73 kmHigh 31.1°C · Low 23.4°C · 113 mm rain
- Ibadan in MayNigeria · 74 kmHigh 30.3°C · Low 23.7°C · 164 mm rain
- Iwo in MayNigeria · 74 kmHigh 30.3°C · Low 23.7°C · 124 mm rain
- Lalupon in MayNigeria · 76 kmHigh 30.1°C · Low 23.6°C · 164 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 Iseyin) is explained once on the Iseyin year overview and on the Sources, method and limits page.