Climate averages 1991–2020
Owerri weather
in January.
A very hot, fairly dry month: one of the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a very hot month in Owerri: daytime highs average 34.4°C and nights cool to about 22.9°C. By daytime temperature it is one of the warmest months of the year.
Expect about 25 mm of rain on roughly 6 days, which makes January a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 50 min on an average January day.
The nearest other city in this atlas is Ihiala (46 km away). In January its highs average 34.1°C, about as warm as Owerri, with 17 mm of rain.
Among the 143 cities listed in Nigeria, Owerri ranks joint 30th of 143 for the warmest January highs and 117th of 143 for the driest January (rainfall, lowest first). The mean January high of those 143 cities is 33.1°C; Owerri is 1.3°C warmer than that mean.
From January to February, average highs stay level at 34.4°C, and monthly rainfall rises from 25 mm to 53 mm.
The annual picture
January 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
Owerri climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 34.4°C22.9°C | 22.9°C | 25 | 5.6 | 11.812 h |
| February | 34.4°C23.7°C | 23.7°C | 53 | 10.0 | 11.912 h |
| March | 32.9°C23.9°C | 23.9°C | 134 | 20.5 | 12.112 h |
| April | 31.5°C23.6°C | 23.6°C | 213 | 24.8 | 12.212 h |
| May | 30.4°C23.3°C | 23.3°C | 264 | 28.3 | 12.412 h |
| June | 28.8°C22.5°C | 22.5°C | 296 | 28.4 | 12.412 h |
| July | 28.1°C22.0°C | 22.0°C | 301 | 28.9 | 12.412 h |
| August | 28.3°C22.1°C | 22.1°C | 272 | 27.0 | 12.312 h |
| September | 28.7°C22.2°C | 22.2°C | 315 | 29.2 | 12.212 h |
| October | 29.3°C22.4°C | 22.4°C | 302 | 29.7 | 12.012 h |
| November | 30.8°C22.7°C | 22.7°C | 115 | 18.1 | 11.912 h |
| December | 33.0°C22.9°C | 22.9°C | 23 | 5.7 | 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
January in nearby cities
- Ihiala in JanuaryNigeria · 46 kmHigh 34.1°C · Low 22.5°C · 17 mm rain
- Umuahia in JanuaryNigeria · 51 kmHigh 34.1°C · Low 22.5°C · 17 mm rain
- Okigwe in JanuaryNigeria · 52 kmHigh 34.7°C · Low 22.6°C · 16 mm rain
- Aba in JanuaryNigeria · 56 kmHigh 33.3°C · Low 23.2°C · 38 mm rain
- Igbo-Ukwu in JanuaryNigeria · 59 kmHigh 32.8°C · Low 21.2°C · 15 mm rain
- Nnewi in JanuaryNigeria · 61 kmHigh 33.9°C · Low 22.4°C · 15 mm rain
- Atani in JanuaryNigeria · 67 kmHigh 34.5°C · Low 23.5°C · 8.4 mm rain
- Bende in JanuaryNigeria · 67 kmHigh 34.1°C · Low 22.8°C · 15 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 Owerri) is explained once on the Owerri year overview and on the Sources, method and limits page.