Climate averages 1991–2020

Imerintsiatosika weather
in October.

A warm, moderately wet month: the joint 2nd warmest and the 7th driest of the year. Meets the pleasant-weather rule

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

Average high 25.5°C Daytime mean, October
Average low 13.4°C Night-time mean, October
Rainfall 45 mm 7 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Imerintsiatosika · average highYear overview

October is a warm month in Imerintsiatosika: daytime highs average 25.5°C and nights cool to about 13.4°C. By daytime temperature it is the joint 2nd warmest of the 12 months.

Expect about 45 mm of rain on roughly 7 days, which makes October a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average October day.

The nearest other city in this atlas is Antananarivo (24 km away). In October its highs average 25.3°C, about as warm as Imerintsiatosika, with 27 mm of rain.

Among the 12 cities listed in Madagascar, Imerintsiatosika ranks 7th of 12 for the warmest October highs and 6th of 12 for the driest October (rainfall, lowest first). The mean October high of those 12 cities is 26.8°C; Imerintsiatosika is 1.3°C cooler than that mean.

From October to November, average highs rise by 0.6°C to 26.1°C, and monthly rainfall rises from 45 mm to 111 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. 51015202530 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 3500

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

Every month, side by side

Imerintsiatosika climate table

1991–2020
Monthly climate averages for Imerintsiatosika, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 24.5°C16.7°C16.7°C30521.913.113 h
February 24.3°C16.7°C16.7°C27319.412.713 h
March 24.3°C16.3°C16.3°C14715.112.212 h
April 23.6°C14.9°C14.9°C387.511.712 h
May 21.9°C12.9°C12.9°C152.911.211 h
June 19.8°C10.7°C10.7°C3.70.811.011 h
July 19.0°C9.7°C9.7°C3.71.011.111 h
August 20.6°C10.0°C10.0°C3.80.911.511 h
September 23.4°C11.2°C11.2°C7.11.712.012 h
October, selected 25.5°C13.4°C13.4°C456.812.513 h
November 26.1°C15.0°C15.0°C11112.113.013 h
December 25.5°C16.3°C16.3°C21218.013.213 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 Imerintsiatosika

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