Tajumulco Weather in December
What's the weather like in Tajumulco (San Marcos) in December 2025?
The climate in Tajumulco during December can be summarized as mild and arid.
December is in the winter in Tajumulco and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 19°C (67°F), whilst at night 5°C (40°F) is normal.
| Daytime temperature | 19.2°C 66.6°F |
|---|---|
| Nightly temperature | 4.6°C 40.3°F |
| Average temperature | 11.9°C 53.4°F |
| Daily sunshine | 5.9 hrs |
| Avg rainfall | 0 mm 0 ins |
| Rainy days | 4 days |
| Sea temperature | 28°C 82.4°F |
| Humidity | 84% |
| Windspeed | 11.2kph 7 mph |
On average December is the 2nd driest month of the year in Tajumulco with around 0mm 0 inches of rain making it a arid time to visit.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
December temperatures in Tajumulco
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Tajumulco in December 2025.
Other monthly averages
Best places to visit in December
Tajumulco weather stats
| Hottest month: | May | 22.9°C 73.2°F |
|---|---|---|
| Driest month: | January | 0mm 0ins |
| Sunniest month: | January | 8.7hrs |
| Coldest month: | January | 18.1°C 64.6°F |
| Wettest month: | June | 174mm 6.9ins |
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