Mercedes Weather in December
What's the weather like in Mercedes (Heredia) in December 2024?
The climate in Mercedes during December can be summarized as mild and very wet.
December is in the winter in Mercedes and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 14°C (56°F) is normal.
| Daytime temperature | 21.5°C 70.7°F |
|---|---|
| Nightly temperature | 13.5°C 56.3°F |
| Average temperature | 17.5°C 63.5°F |
| Daily sunshine | 6.6 hrs |
| Avg rainfall | 234 mm 9.2 ins |
| Rainy days | 16 days |
| Sea temperature | 27.9°C 82.1°F |
| Humidity | 82% |
| Windspeed | 19.8kph 12 mph |
On average December is the 5th driest month of the year in Mercedes with around 234mm 9.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
December temperatures in Mercedes
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 Mercedes in December 2024.
Other monthly averages
Best places to visit in December
Mercedes weather stats
| Hottest month: | May | 22.8°C 73°F |
|---|---|---|
| Driest month: | March | 66mm 2.6ins |
| Sunniest month: | March | 7.3hrs |
| Coldest month: | January | 21°C 69.8°F |
| Wettest month: | September | 424mm 16.7ins |
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