Tunduma weather in December

In December, Tunduma has daytime highs averaging 24 °C, nights around 15 °C, with 25 wet days. Figures are 1991–2020 climate normals.

  1. Jan 18°
  2. Feb 18°
  3. Mar 18°
  4. Apr 18°
  5. May 17°
  6. Jun 16°
  7. Jul 15°
  8. Aug 17°
  9. Sep 19°
  10. Oct 21°
  11. Nov 21°
  12. Dec 19°

Daily temperatures through December

12° 20° 28° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 25.3 °C and lows bottom out at 14.8 °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 24.9 °C 15.2 °C 72 %
11–20 December 23.7 °C 15.0 °C 85 %
21–31 December 23.3 °C 14.9 °C 86 %
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 20, at 93 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical December Share of the month
Days above 25 °C 7.9 of 31 25 %
Days above 30 °C 0.03 of 31 0 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 25 of 31 81 %

Conditions in December

MeasureAverage
Mean temperature 19 °C
Record high (1991–2020) 30 °C
Record low (1991–2020) 11 °C
Relative humidity 78 %
Wind speed 11 km/h
Cloud cover 82 %

December compared with the months around it

Month Avg high Rainfall Cloud
January 22.8 °C 270 mm 91 %
February 23.1 °C 213 mm 89 %
October 27.7 °C 20 mm 48 %
November 26.7 °C 104 mm 66 %
December 23.9 °C 240 mm 82 %

See all twelve months for Tunduma

QuestionsDecember in Tunduma, answered

How warm is Tunduma in December?

Daily highs average 24 °C and nights fall to about 15 °C, a spread of 8.9 °C between afternoon and dawn. That makes December the 4th warmest month of the year here.

Does it rain much in Tunduma in December?

December averages 240 mm of rain, spread over about 25 of the 31 days — 81 % of the month. Cloud cover averages 82 % of the sky.

How long are the days in December?

Tunduma averages 13 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.