San Marcos Weather in December
What's the weather like in San Marcos (San Marcos) in December 2024?
The climate in San Marcos during December can be summarized as mild and very dry.
December is in the winter in San Marcos 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 (41°F) is normal.
| Daytime temperature | 19.4°C 66.8°F |
|---|---|
| Nightly temperature | 5.1°C 41.1°F |
| Average temperature | 12.2°C 54°F |
| Daily sunshine | 5.8 hrs |
| Avg rainfall | 0 mm 0 ins |
| Rainy days | 4 days |
| Sea temperature | 28.7°C 83.7°F |
| Humidity | 84% |
| Windspeed | 10.8kph 7 mph |
On average December is the 2nd driest month of the year in San Marcos with around 0mm 0 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 5.8 hours of sunshine per day.
December temperatures in San Marcos
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 San Marcos in December 2024.
Other monthly averages
Best places to visit in December
San Marcos weather stats
| Hottest month: | May | 23.3°C 73.9°F |
|---|---|---|
| Driest month: | January | 0mm 0ins |
| Sunniest month: | January | 8.9hrs |
| Coldest month: | January | 18.2°C 64.8°F |
| Wettest month: | June | 193mm 7.6ins |
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