San Agustín Acasaguastlán Weather in December
What's the weather like in San Agustín Acasaguastlán (El Progreso) in December 2025?
The climate in San Agustín Acasaguastlán during December can be summarized as warm, humid and dry.
December is in the winter in San Agustín Acasaguastlán and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 27.8°C 82°F |
|---|---|
| Nightly temperature | 17.2°C 63°F |
| Average temperature | 22.5°C 72.5°F |
| Daily sunshine | 7.8 hrs |
| Avg rainfall | 21 mm 0.8 ins |
| Rainy days | 10 days |
| Sea temperature | 28.6°C 83.5°F |
| Humidity | 73% |
| Windspeed | 11.5kph 7 mph |
On average December is the 4th driest month of the year in San Agustín Acasaguastlán with around 21mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
December temperatures in San Agustín Acasaguastlán
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 Agustín Acasaguastlán in December 2025.
Other monthly averages
Best places to visit in December
San Agustín Acasaguastlán weather stats
| Hottest month: | April | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | March | 17mm 0.7ins |
| Sunniest month: | March | 9.9hrs |
| Coldest month: | January | 27.9°C 82.2°F |
| Wettest month: | June | 239mm 9.4ins |
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