Climate averages 1991–2020
Effium weather
in May.
A hot, wet month: the 7th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Effium: daytime highs average 31.4°C and nights cool to about 24.4°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 153 mm of rain on roughly 21 days, which makes May a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 25 min on an average May day.
The nearest other city in this atlas is Isieke (28 km away). In May its highs average 31.6°C, about as warm as Effium, with 167 mm of rain.
Among the 143 cities listed in Nigeria, Effium ranks joint 47th of 143 for the warmest May highs and joint 66th of 143 for the driest May (rainfall, lowest first). The mean May high of those 143 cities is 31.7°C; Effium is 0.3°C cooler than that mean.
From May to June, average highs fall by 1.7°C to 29.7°C, and monthly rainfall rises from 153 mm to 211 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
Effium climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 35.3°C23.6°C | 23.6°C | 3.3 | 1.0 | 11.812 h |
| February | 36.2°C24.9°C | 24.9°C | 10 | 2.2 | 11.912 h |
| March | 35.2°C25.6°C | 25.6°C | 31 | 5.9 | 12.112 h |
| April | 33.3°C25.2°C | 25.2°C | 90 | 12.4 | 12.312 h |
| May, selected | 31.4°C24.4°C | 24.4°C | 153 | 20.8 | 12.412 h |
| June | 29.7°C23.4°C | 23.4°C | 211 | 23.7 | 12.512 h |
| July | 28.8°C22.8°C | 22.8°C | 211 | 26.6 | 12.512 h |
| August | 28.8°C22.7°C | 22.7°C | 230 | 26.1 | 12.312 h |
| September | 29.4°C22.8°C | 22.8°C | 241 | 26.8 | 12.212 h |
| October | 30.0°C23.2°C | 23.2°C | 169 | 23.4 | 12.012 h |
| November | 31.7°C23.7°C | 23.7°C | 28 | 5.4 | 11.812 h |
| December | 34.1°C23.4°C | 23.4°C | 2.7 | 0.6 | 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
- Isieke in MayNigeria · 28 kmHigh 31.6°C · Low 24.7°C · 167 mm rain
- Eha Amufu in MayNigeria · 33 kmHigh 31.7°C · Low 24.4°C · 160 mm rain
- Abakaliki in MayNigeria · 35 kmHigh 31.4°C · Low 24.6°C · 178 mm rain
- Enugu in MayNigeria · 65 kmHigh 30.8°C · Low 23.9°C · 194 mm rain
- Nsukka in MayNigeria · 77 kmHigh 29.5°C · Low 22.9°C · 194 mm rain
- Aku in MayNigeria · 82 kmHigh 30.0°C · Low 23.4°C · 218 mm rain
- Afikpo in MayNigeria · 83 kmHigh 30.6°C · Low 23.9°C · 177 mm rain
- Ugep in MayNigeria · 91 kmHigh 30.2°C · Low 23.7°C · 199 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 Effium) is explained once on the Effium year overview and on the Sources, method and limits page.