Toliara weather in December

In December, Toliara has daytime highs averaging 32 °C, nights around 24 °C, with 11 wet days, and a sea temperature of 28 °C. Figures are 1991–2020 climate normals.

  1. Jan 28°
  2. Feb 28°
  3. Mar 28°
  4. Apr 26°
  5. May 24°
  6. Jun 22°
  7. Jul 22°
  8. Aug 22°
  9. Sep 24°
  10. Oct 25°
  11. Nov 27°
  12. Dec 28°

Daily temperatures through December

21° 28° 35° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 32.1 °C and lows bottom out at 23.1 °C.

How December 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.

Days Avg high Avg low Chance of rain
1–10 December 31.5 °C 23.5 °C 26 %
11–20 December 31.4 °C 24.0 °C 34 %
21–31 December 31.8 °C 24.6 °C 39 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in December. Wettest date over the 30 years: December 25, at 57 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical December Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 25 of 31 81 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 11 of 31 34 %

Conditions in December

MeasureAverage
Mean temperature 28 °C
Record high (1991–2020) 36 °C
Record low (1991–2020) 19 °C
Relative humidity 71 %
Wind speed 19 km/h
Cloud cover 37 %

Where Toliara ranks in December

Ranking Position Value
Warmest sea temperatures in Africa in December 39th of 50 28 °C

December compared with the months around it

Month Avg high Rainfall Cloud
January 31.1 °C 199 mm 50 %
February 31.1 °C 132 mm 46 %
October 30.6 °C 11 mm 20 %
November 31.4 °C 32 mm 28 %
December 31.6 °C 76 mm 37 %

See all twelve months for Toliara

QuestionsDecember in Toliara, answered

How warm is Toliara in December?

Daily highs average 32 °C and nights fall to about 24 °C, a spread of 7.5 °C between afternoon and dawn. That makes December the 3rd warmest month of the year here.

Does it rain much in Toliara in December?

December averages 76 mm of rain, spread over about 11 of the 31 days — 34 % of the month. Cloud cover averages 37 % of the sky.

Is the sea warm enough to swim in December?

The sea averages 28 °C off Toliara in December. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in December?

Toliara averages 14 hours between sunrise and sunset in December. 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.