San Miguel weather in December

In December, San Miguel has daytime highs averaging 34 °C, nights around 22 °C, with 1.4 wet days. Figures are 1991–2020 climate normals.

  1. Jan 28°
  2. Feb 29°
  3. Mar 30°
  4. Apr 30°
  5. May 28°
  6. Jun 27°
  7. Jul 28°
  8. Aug 28°
  9. Sep 26°
  10. Oct 26°
  11. Nov 26°
  12. Dec 27°

Daily temperatures through December

19°28°37°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 34.4 °C and lows bottom out at 21.7 °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.

DaysAvg highAvg lowChance of rain
1–10 December33.2 °C22.0 °C6 %
11–20 December33.5 °C22.1 °C3 %
21–31 December34.1 °C22.0 °C5 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in December. Wettest date over the 30 years: December 9, 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 31 of 31 100 %
Days above 30 °C 31 of 31 99 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 1.4 of 31 5 %

Conditions in December

MeasureAverage
Mean temperature 27 °C
Record high (1991–2020) 37 °C
Record low (1991–2020) 17 °C
Relative humidity 61 %
Wind speed 11 km/h
Cloud cover 26 %

Where San Miguel ranks in December

RankingPositionValue
The warmest places in North America in December1stof 5034 °C
The driest places in North America in December13thof 505.8 mm
The warmest places in the world in December24thof 5034 °C

December compared with the months around it

Month Avg high Rainfall Cloud
January 34.7 °C 1 mm 21 %
February 35.7 °C 2 mm 21 %
October 30.3 °C 298 mm 76 %
November 31.6 °C 61 mm 49 %
December 33.7 °C 6 mm 26 %

See all twelve months for San Miguel

Nearby destinations in December

Destination Avg high Wet days
San Miguel 34 °C 1.4
Soyapango 29 °C 2
San Salvador 30 °C 2
Tegucigalpa 26 °C 3
Santa Ana 29 °C 1
Danlí 26 °C 7

QuestionsDecember in San Miguel, answered

How warm is San Miguel in December?

Daily highs average 34 °C and nights fall to about 22 °C, a spread of 12 °C between afternoon and dawn. That makes December the 8th warmest month of the year here.

Does it rain much in San Miguel in December?

December averages 6 mm of rain, spread over about 1 of the 31 days — 5 % of the month. Cloud cover averages 26 % of the sky.

How long are the days in December?

San Miguel 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.