Tonalá weather in December

In December, Tonalá has daytime highs averaging 23 °C, nights around 11 °C, with 1.1 wet days. Figures are 1991–2020 climate normals.

  1. Jan 16°
  2. Feb 18°
  3. Mar 20°
  4. Apr 22°
  5. May 24°
  6. Jun 22°
  7. Jul 20°
  8. Aug 20°
  9. Sep 20°
  10. Oct 19°
  11. Nov 18°
  12. Dec 17°

Daily temperatures through December

17° 27° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 24.3 °C and lows bottom out at 9.9 °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 23.9 °C 11.2 °C 2 %
11–20 December 23.3 °C 10.7 °C 3 %
21–31 December 23.0 °C 10.2 °C 5 %
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 16, at 10 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical December Share of the month
Days above 25 °C 5.1 of 31 17 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 1.1 of 31 3 %

Conditions in December

MeasureAverage
Mean temperature 17 °C
Record high (1991–2020) 29 °C
Record low (1991–2020) 0.2 °C
Relative humidity 54 %
Wind speed 10 km/h
Cloud cover 40 %

Where Tonalá ranks in December

Ranking Position Value
Places with the best weather in North America in December 1st of 50 97/100
Places with the best weather in the world in December 7th of 50 97/100
The driest places in North America in December 18th of 50 6.2 mm

December compared with the months around it

Month Avg high Rainfall Cloud
January 23.2 °C 17 mm 39 %
February 25.3 °C 12 mm 32 %
October 24.8 °C 43 mm 54 %
November 24.3 °C 12 mm 35 %
December 23.4 °C 6 mm 40 %

See all twelve months for Tonalá

QuestionsDecember in Tonalá, answered

How warm is Tonalá in December?

Daily highs average 23 °C and nights fall to about 11 °C, a spread of 13 °C between afternoon and dawn. That makes December the 11th warmest month of the year here.

Does it rain much in Tonalá in December?

December averages 6 mm of rain, spread over about 1 of the 31 days — 3 % of the month. Cloud cover averages 40 % of the sky.

How long are the days in December?

Tonalá averages 11 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.