Fianarantsoa weather in January

In January, Fianarantsoa has daytime highs averaging 25 °C, nights around 17 °C, with 23 wet days. Figures are 1991–2020 climate normals.

  1. Jan 20°
  2. Feb 20°
  3. Mar 20°
  4. Apr 18°
  5. May 17°
  6. Jun 14°
  7. Jul 13°
  8. Aug 14°
  9. Sep 16°
  10. Oct 18°
  11. Nov 20°
  12. Dec 20°

Daily temperatures through January

14°21°28°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 25.1 °C and lows bottom out at 16.8 °C.

How January develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 January24.4 °C17.3 °C75 %
11–20 January24.6 °C17.2 °C70 %
21–31 January24.6 °C17.5 °C76 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in January. Wettest date over the 30 years: January 21, at 87 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical January Share of the month
Days above 25 °C 14 of 31 45 %
Days above 30 °C 0.03 of 31 0 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 23 of 31 74 %

Conditions in January

MeasureAverage
Mean temperature 20 °C
Record high (1991–2020) 30 °C
Record low (1991–2020) 11 °C
Relative humidity 86 %
Wind speed 15 km/h
Cloud cover 82 %

January compared with the months around it

Month Avg high Rainfall Cloud
January 24.5 °C 290 mm 82 %
February 24.2 °C 220 mm 81 %
March 23.9 °C 150 mm 75 %
November 25.0 °C 98 mm 63 %
December 25.1 °C 212 mm 74 %

See all twelve months for Fianarantsoa

Nearby destinations in January

Destination Avg high Wet days Sea
Fianarantsoa 25 °C 23
Antsirabe 24 °C 24
Antananarivo 25 °C 22
Toliara 31 °C 18 29

QuestionsJanuary in Fianarantsoa, answered

How warm is Fianarantsoa in January?

Daily highs average 25 °C and nights fall to about 17 °C, a spread of 7.2 °C between afternoon and dawn. That makes January the 1st warmest month of the year here.

Does it rain much in Fianarantsoa in January?

January averages 290 mm of rain, spread over about 23 of the 31 days — 74 % of the month. Cloud cover averages 82 % of the sky.

How long are the days in January?

Fianarantsoa averages 13 hours between sunrise and sunset in January. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

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: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. 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.