Climate averages 1991–2020

Tôlanaro weather
in May.

A warm, moderately wet month: the 9th warmest and the 6th driest of the year.

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

Average high 24.5°C Daytime mean, May
Average low 19.5°C Night-time mean, May
Rainfall 74 mm 11 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Tôlanaro · average highYear overview

May is a warm month in Tôlanaro: daytime highs average 24.5°C and nights cool to about 19.5°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 74 mm of rain on roughly 11 days, which makes May a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 55 min on an average May day.

The nearest other city in this atlas is Toliara (385 km away). In May its highs average 28.7°C, 4.2°C warmer than Tôlanaro, with 6.7 mm of rain.

Among the 12 cities listed in Madagascar, Tôlanaro ranks 7th of 12 for the warmest May highs and 10th of 12 for the driest May (rainfall, lowest first). The mean May high of those 12 cities is 24.9°C; Tôlanaro is 0.4°C cooler than that mean.

From May to June, average highs fall by 1.4°C to 23.1°C, and monthly rainfall falls from 74 mm to 49 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 2000

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

Every month, side by side

Tôlanaro climate table

1991–2020
Monthly climate averages for Tôlanaro, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.2°C23.2°C23.2°C17316.613.513 h
February 28.0°C23.2°C23.2°C18515.713.013 h
March 27.6°C22.8°C22.8°C14014.812.312 h
April 26.1°C21.5°C21.5°C10113.611.512 h
May, selected 24.5°C19.5°C19.5°C7411.410.911 h
June 23.1°C18.1°C18.1°C498.710.611 h
July 22.4°C17.3°C17.3°C529.010.711 h
August 23.2°C17.6°C17.6°C467.211.211 h
September 24.6°C18.4°C18.4°C416.011.912 h
October 25.7°C19.7°C19.7°C689.512.713 h
November 26.8°C20.9°C20.9°C8411.013.313 h
December 27.8°C22.3°C22.3°C12914.813.714 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 Tôlanaro

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 Tôlanaro) is explained once on the Tôlanaro year overview and on the Sources, method and limits page.