Monthly Climate
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Best time to visit Antsirabe

September is the best time to visit Antsirabe for general sightseeing, with average highs of 23 °C and about 2 wet days. The comfortable season runs roughly April to October.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking September comfort 94/100
The least cloud September 35 % average cloud cover
The least rain August 6 mm
Warmth October 25 °C
Cooler weather July 18 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 September 94 23 °C 2
2 May 93 21 °C 4
3 August 91 21 °C 1
4 October 88 25 °C 9
5 June 87 19 °C 1
6 April 87 23 °C 10
7 July 85 18 °C 1
8 November 78 25 °C 16
9 March 76 23 °C 18
10 February 73 23 °C 21
11 December 73 24 °C 22
12 January 73 24 °C 24

When to think twice

January scores lowest with about 24 wet days and highs near 24 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 23.5 °C 369 mm 83 %
February 23.3 °C 310 mm 82 %
March 23.5 °C 210 mm 71 %
April 22.8 °C 69 mm 56 %
May 21.0 °C 21 mm 50 %
June 19.1 °C 7 mm 45 %
July 18.5 °C 6 mm 46 %
August 20.5 °C 6 mm 39 %
September 23.4 °C 11 mm 35 %
October 25.0 °C 81 mm 42 %
November 24.9 °C 190 mm 57 %
December 24.2 °C 317 mm 74 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. 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.