Antananarivo climate

Name: Antananarivo
Address: MG

Antananarivo is warmest in November, with average highs of 26 °C, and coldest in July, when nights average 9.8 °C. January is the wettest month (302 mm) and August the driest (3.6 mm). Figures are 1991–2020 climate normals.

Across a full year Antananarivo averages 1,070 mm of rain and 113 days above 25 °C.

Madagascar · population 1,349,501 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month November 26 °C
Coldest month July 9.8 °C
Driest month August 4 mm
Wettest month January 302 mm
Least cloud September 49 % cloud
Hottest on record November 32 °C
Coldest on record June 5.0 °C

What to expectAntananarivo through the year

Antananarivo has a clear annual cycle: average daily highs run from 19 °C in July to 26 °C in November, a swing of 6.5 °C in mean temperature across the year.

Counted across a normal year, 113 days a year reach 25 °C, 2 of them reach 30 °C. The warmest reading in the 1991–2020 record is 32 °C, in November.

Rain is strongly seasonal. January averages 302 mm against 4 mm in August — 85 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	24.7 °C	302 mm	84 %
February	24.4 °C	255 mm	82 %
March	24.4 °C	140 mm	75 %
April	23.6 °C	35 mm	62 %
May	22.0 °C	12 mm	59 %
June	19.7 °C	5 mm	58 %
July	18.8 °C	5 mm	59 %
August	20.3 °C	4 mm	54 %
September	22.9 °C	6 mm	49 %
October	25.3 °C	30 mm	51 %
November	26.2 °C	84 mm	61 %
December	25.7 °C	192 mm	75 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	24.7 °C	16.7 °C	19.9 °C	30.0 °C	12.3 °C	15	0
February	24.4 °C	16.7 °C	19.8 °C	28.7 °C	12.1 °C	12	0
March	24.4 °C	16.3 °C	19.7 °C	28.4 °C	12.0 °C	12	0
April	23.6 °C	15.0 °C	18.7 °C	28.4 °C	9.4 °C	5	0
May	22.0 °C	13.1 °C	17.0 °C	27.4 °C	5.6 °C	2	0
June	19.7 °C	10.8 °C	14.7 °C	25.3 °C	5.0 °C	0	0
July	18.8 °C	9.8 °C	13.7 °C	24.3 °C	5.0 °C	0	0
August	20.3 °C	10.0 °C	14.5 °C	27.5 °C	5.4 °C	1	0
September	22.9 °C	11.1 °C	16.4 °C	30.3 °C	5.9 °C	7	0
October	25.3 °C	13.3 °C	18.6 °C	31.8 °C	6.6 °C	17	1
November	26.2 °C	15.0 °C	19.9 °C	31.9 °C	8.8 °C	21	1
December	25.7 °C	16.2 °C	20.2 °C	30.5 °C	12.1 °C	21	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	302 mm	22	13 h/day	84 %	82 %	15 km/h
February	255 mm	20	13 h/day	82 %	83 %	16 km/h
March	140 mm	15	12 h/day	75 %	81 %	16 km/h
April	35 mm	7	12 h/day	62 %	79 %	15 km/h
May	12 mm	3	11 h/day	59 %	77 %	15 km/h
June	5 mm	1	11 h/day	58 %	76 %	17 km/h
July	5 mm	1	11 h/day	59 %	76 %	18 km/h
August	4 mm	1	11 h/day	54 %	72 %	18 km/h
September	6 mm	1	12 h/day	49 %	68 %	17 km/h
October	30 mm	5	13 h/day	51 %	67 %	16 km/h
November	84 mm	10	13 h/day	61 %	70 %	15 km/h
December	192 mm	18	13 h/day	75 %	77 %	14 km/h

How Antananarivo compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Antananarivo	26 °C	9.8 °C	1,070 mm	113
Antsirabe · Madagascar	25 °C	7.5 °C	1,596 mm	60
Toamasina · Madagascar	28 °C	19 °C	2,172 mm	209
Fianarantsoa · Madagascar	25 °C	10 °C	1,148 mm	84

Where Antananarivo ranks

Ranking	Position	Value
Places with the best weather in Africa in September	10th of 50	94/100
The coolest places in Africa in August	20th of 50	20 °C
Places with the best weather in Africa in October	21st of 50	93/100
Places with the best weather in Africa in May	24th of 50	95/100
The coolest places in Africa in July	27th of 50	19 °C
The coolest places in Africa in September	29th of 50	23 °C

Planning a trip? See the best time to visit Antananarivo.

QuestionsCommon questions about Antananarivo’s climate

When is the best time to visit Antananarivo?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, November sit closest to 20 °C on average, November is the warmest month and August the driest. The month-by-month table above has the full picture.

How hot does Antananarivo get?

In November, the warmest month, daily highs average 26 °C. About 2 days a year pass 30 °C. The highest value in the 1991–2020 record is 32 °C.

How cold does it get in winter?

Nights average 9.8 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Antananarivo?

January, averaging 302 mm over 22 days with rain. The driest month is August with 4 mm. The year as a whole averages 1,070 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Antananarivo rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: -18.914°, 47.536° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.