San Bartolomé Milpas Altas Weather in December
What's the weather like in San Bartolomé Milpas Altas (Sacatepéquez) in December 2025?
The climate in San Bartolomé Milpas Altas during December can be summarized as mild and very dry.
December is in the winter in San Bartolomé Milpas Altas and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 21.2°C 70.2°F |
|---|---|
| Nightly temperature | 9.8°C 49.6°F |
| Average temperature | 15.5°C 59.9°F |
| Daily sunshine | 8.4 hrs |
| Avg rainfall | 9 mm 0.3 ins |
| Rainy days | 8 days |
| Sea temperature | 28.9°C 84°F |
| Humidity | 69% |
| Windspeed | 9kph 6 mph |
On average December is the 4th driest month of the year in San Bartolomé Milpas Altas with around 9mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
December temperatures in San Bartolomé Milpas Altas
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 Bartolomé Milpas Altas in December 2025.
Other monthly averages
Best places to visit in December
San Bartolomé Milpas Altas weather stats
| Hottest month: | April | 24.4°C 75.9°F |
|---|---|---|
| Driest month: | January | 3mm 0.1ins |
| Sunniest month: | January | 8.7hrs |
| Coldest month: | January | 21.3°C 70.3°F |
| Wettest month: | June | 263mm 10.4ins |
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