Climate averages 1991–2020

Saint-Pierre weather
in May.

A warm, moderately wet month: the 8th warmest and the 6th driest of the year.

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

Average high 26.7°C Daytime mean, May
Average low 22.1°C Night-time mean, May
Rainfall 86 mm 17 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Saint-Pierre · average highYear overview

May is a warm month in Saint-Pierre: daytime highs average 26.7°C and nights cool to about 22.1°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 86 mm of rain on roughly 17 days, which makes May a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 07 min on an average May day.

The nearest other city in this atlas is Saint-Paul (42 km away). In May its highs average 25.6°C, 1.1°C cooler than Saint-Pierre, with 42 mm of rain.

Among the 3 cities listed in Reunion, Saint-Pierre ranks 1st of 3 for the warmest May highs and 3rd of 3 for the driest May (rainfall, lowest first). The mean May high of those 3 cities is 26.0°C; Saint-Pierre is 0.7°C warmer than that mean.

From May to June, average highs fall by 1.6°C to 25.0°C, and monthly rainfall falls from 86 mm to 50 mm.

The annual picture

May 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. 1520253035 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 3000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Saint-Pierre climate table

1991–2020
Monthly climate averages for Saint-Pierre, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 29.7°C25.3°C25.3°C27823.913.313 h
February 29.7°C25.5°C25.5°C26622.912.813 h
March 29.4°C25.0°C25.0°C21121.312.212 h
April 28.5°C23.9°C23.9°C9318.211.612 h
May, selected 26.7°C22.1°C22.1°C8617.111.111 h
June 25.0°C20.3°C20.3°C5013.710.911 h
July 24.2°C19.4°C19.4°C4914.311.011 h
August 24.5°C19.2°C19.2°C4512.611.411 h
September 25.5°C19.6°C19.6°C4512.012.012 h
October 26.8°C20.9°C20.9°C5613.412.613 h
November 28.0°C22.4°C22.4°C9616.413.113 h
December 29.2°C24.3°C24.3°C17421.613.413 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

Distance from Saint-Pierre

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 Saint-Pierre) is explained once on the Saint-Pierre year overview and on the Sources, method and limits page.