Climate averages 1991–2020

Fianarantsoa weather
in January.

A warm, very wet month: the 3rd warmest and the wettest of the year.

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

Average high 24.6°C Daytime mean, January
Average low 17.6°C Night-time mean, January
Rainfall 287 mm 23 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Fianarantsoa · average highYear overview

January is a warm month in Fianarantsoa: daytime highs average 24.6°C and nights cool to about 17.6°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 287 mm of rain on roughly 23 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 17 min on an average January day.

The nearest other city in this atlas is Antsirabe (177 km away). In January its highs average 23.5°C, 1.1°C cooler than Fianarantsoa, with 379 mm of rain.

Among the 12 cities listed in Madagascar, Fianarantsoa ranks joint 8th of 12 for the warmest January highs and joint 5th of 12 for the driest January (rainfall, lowest first). The mean January high of those 12 cities is 27.1°C; Fianarantsoa is 2.5°C cooler than that mean.

From January to February, average highs fall by 0.4°C to 24.2°C, and monthly rainfall falls from 287 mm to 215 mm.

The annual picture

January 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 3000

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

Every month, side by side

Fianarantsoa climate table

1991–2020
Monthly climate averages for Fianarantsoa, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 24.6°C17.6°C17.6°C28722.813.313 h
February 24.2°C17.5°C17.5°C21519.212.813 h
March 23.9°C17.1°C17.1°C14616.712.212 h
April 22.8°C15.6°C15.6°C4910.311.612 h
May 21.0°C13.8°C13.8°C245.411.111 h
June 18.9°C11.5°C11.5°C123.110.811 h
July 17.9°C10.5°C10.5°C153.511.011 h
August 19.5°C10.7°C10.7°C8.52.711.411 h
September 21.8°C11.8°C11.8°C9.22.512.012 h
October 23.9°C14.0°C14.0°C437.412.613 h
November 25.1°C15.8°C15.8°C9512.613.113 h
December 25.2°C17.1°C17.1°C20919.713.413 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

January in nearby cities

Distance from Fianarantsoa

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