Climate averages 1991–2020
Porto-Novo weather
in March.
A hot, moderately wet month: the 2nd warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Porto-Novo: daytime highs average 31.0°C and nights cool to about 26.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 73 mm of rain on roughly 18 days, which makes March a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 05 min on an average March day.
The nearest other city in this atlas is Ekpé (14 km away). In March its highs average 30.4°C, 0.7°C cooler than Porto-Novo, with 73 mm of rain.
Among the 8 cities listed in Benin, Porto-Novo ranks 5th of 8 for the warmest March highs and joint 7th of 8 for the driest March (rainfall, lowest first). The mean March high of those 8 cities is 33.0°C; Porto-Novo is 2.0°C cooler than that mean.
From March to April, average highs fall by 0.5°C to 30.6°C, and monthly rainfall rises from 73 mm to 98 mm.
The annual picture
March 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
Porto-Novo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.8°C24.4°C | 24.4°C | 29 | 8.4 | 11.812 h |
| February | 31.2°C25.5°C | 25.5°C | 40 | 11.2 | 11.912 h |
| March, selected | 31.0°C26.1°C | 26.1°C | 73 | 17.5 | 12.112 h |
| April | 30.6°C25.9°C | 25.9°C | 98 | 18.9 | 12.312 h |
| May | 29.6°C25.2°C | 25.2°C | 171 | 24.9 | 12.412 h |
| June | 28.0°C24.1°C | 24.1°C | 229 | 26.2 | 12.512 h |
| July | 27.1°C23.5°C | 23.5°C | 140 | 21.4 | 12.512 h |
| August | 26.8°C23.1°C | 23.1°C | 98 | 16.2 | 12.312 h |
| September | 27.5°C23.5°C | 23.5°C | 144 | 22.2 | 12.212 h |
| October | 28.6°C24.1°C | 24.1°C | 155 | 25.4 | 12.012 h |
| November | 29.7°C24.9°C | 24.9°C | 75 | 18.6 | 11.812 h |
| December | 30.5°C24.7°C | 24.7°C | 37 | 10.4 | 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
March in nearby cities
- Ekpé in MarchBenin · 14 kmHigh 30.4°C · Low 26.6°C · 73 mm rain
- Cotonou in MarchBenin · 25 kmHigh 30.1°C · Low 26.7°C · 48 mm rain
- Godomè in MarchBenin · 31 kmHigh 30.5°C · Low 26.6°C · 66 mm rain
- Irewe in MarchNigeria · 60 kmHigh 30.2°C · Low 26.5°C · 81 mm rain
- Alasia in MarchNigeria · 63 kmHigh 30.4°C · Low 26.1°C · 81 mm rain
- Ota in MarchNigeria · 73 kmHigh 31.9°C · Low 25.1°C · 96 mm rain
- Ifo in MarchNigeria · 74 kmHigh 32.4°C · Low 24.9°C · 96 mm rain
- Ajegunle in MarchNigeria · 81 kmHigh 30.8°C · Low 26.3°C · 81 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 Porto-Novo) is explained once on the Porto-Novo year overview and on the Sources, method and limits page.
Ekpé lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.