Climate averages 1991–2020

Porto-Novo weather
in October.

A hot, wet month: the 8th warmest and the 10th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 28.6°C Daytime mean, October
Average low 24.1°C Night-time mean, October
Rainfall 155 mm 25 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Porto-Novo · average highYear overview

October is a hot month in Porto-Novo: daytime highs average 28.6°C and nights cool to about 24.1°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 155 mm of rain on roughly 25 days, which makes October a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 59 min on an average October day.

The nearest other city in this atlas is Ekpé (14 km away). In October its highs average 28.1°C, 0.5°C cooler than Porto-Novo, with 155 mm of rain.

Among the 8 cities listed in Benin, Porto-Novo ranks 5th of 8 for the warmest October highs and joint 7th of 8 for the driest October (rainfall, lowest first). The mean October high of those 8 cities is 29.2°C; Porto-Novo is 0.6°C cooler than that mean.

From October to November, average highs rise by 1.1°C to 29.7°C, and monthly rainfall falls from 155 mm to 75 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 20253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages 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

1991–2020
Monthly climate averages for Porto-Novo, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 30.8°C24.4°C24.4°C298.411.812 h
February 31.2°C25.5°C25.5°C4011.211.912 h
March 31.0°C26.1°C26.1°C7317.512.112 h
April 30.6°C25.9°C25.9°C9818.912.312 h
May 29.6°C25.2°C25.2°C17124.912.412 h
June 28.0°C24.1°C24.1°C22926.212.512 h
July 27.1°C23.5°C23.5°C14021.412.512 h
August 26.8°C23.1°C23.1°C9816.212.312 h
September 27.5°C23.5°C23.5°C14422.212.212 h
October, selected 28.6°C24.1°C24.1°C15525.412.012 h
November 29.7°C24.9°C24.9°C7518.611.812 h
December 30.5°C24.7°C24.7°C3710.411.812 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

October in nearby cities

Distance from Porto-Novo

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 limits

How 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.