Climate averages 1991–2020

Toamasina weather
in July.

A warm, very wet month: the coolest and the 6th driest of the year.

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

Average high 22.4°C Daytime mean, July

Average low 18.9°C Night-time mean, July

Rainfall 180 mm 24 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

July is a warm month in Toamasina: daytime highs average 22.4°C and nights cool to about 18.9°C. By daytime temperature it is the coolest month of the year.

Expect about 180 mm of rain on roughly 24 days, which makes July a very wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 09 min on an average July day.

The nearest other city in this atlas is Antananarivo (214 km away). In July its highs average 18.7°C, 3.7°C cooler than Toamasina, with 4.6 mm of rain.

Among the 12 cities listed in Madagascar, Toamasina ranks joint 6th of 12 for the warmest July highs and 12th of 12 for the driest July (rainfall, lowest first). The mean July high of those 12 cities is 22.4°C; Toamasina is level with that mean.

From July to August, average highs rise by 0.3°C to 22.7°C, and monthly rainfall falls from 180 mm to 112 mm.

The annual picture

July 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	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, selected	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

July 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.