Climate averages 1991–2020

Toamasina weather
in January.

A warm, very wet month: one of the warmest and the 10th driest of the year.

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

Average high 27.9°C Daytime mean, January

Average low 23.7°C Night-time mean, January

Rainfall 305 mm 25 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

January is a warm month in Toamasina: daytime highs average 27.9°C and nights cool to about 23.7°C. By daytime temperature it is one of the warmest months of the year.

Expect about 305 mm of rain on roughly 25 days, which makes January a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 05 min on an average January day.

The nearest other city in this atlas is Antananarivo (214 km away). In January its highs average 24.6°C, 3.3°C cooler than Toamasina, with 287 mm of rain.

Among the 12 cities listed in Madagascar, Toamasina ranks 7th of 12 for the warmest January highs and joint 8th of 12 for the driest January (rainfall, lowest first). The mean January high of those 12 cities is 27.1°C; Toamasina is 0.8°C warmer than that mean.

From January to February, average highs stay level at 27.9°C, and monthly rainfall rises from 305 mm to 324 mm.

The annual picture

January in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

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

Every month, side by side

Toamasina climate table

1991–2020

Monthly climate averages for Toamasina, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	27.9°C23.7°C	23.7°C	305	24.9	13.113 h
February	27.9°C23.9°C	23.9°C	324	23.2	12.713 h
March	27.3°C23.6°C	23.6°C	346	26.2	12.212 h
April	26.4°C22.9°C	22.9°C	200	24.2	11.712 h
May	25.0°C21.6°C	21.6°C	201	23.5	11.311 h
June	23.3°C19.9°C	19.9°C	174	24.2	11.111 h
July	22.4°C18.9°C	18.9°C	180	24.3	11.111 h
August	22.7°C18.9°C	18.9°C	112	20.8	11.512 h
September	23.5°C19.4°C	19.4°C	76	17.7	12.012 h
October	24.9°C20.8°C	20.8°C	77	17.0	12.512 h
November	26.3°C22.1°C	22.1°C	79	16.1	13.013 h
December	27.4°C23.2°C	23.2°C	186	22.0	13.213 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

January in nearby cities

Distance from Toamasina

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