Los Altos Weather in December
What's the weather like in Los Altos (Catamarca) in December 2025?
The climate in Los Altos during December can be summarized as hot and a little damp.
December is in the summer in Los Altos and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a warm 34°C (92°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 33.5°C 92.3°F |
|---|---|
| Nightly temperature | 19.7°C 67.5°F |
| Average temperature | 26.6°C 79.9°F |
| Daily sunshine | 9.9 hrs |
| Avg rainfall | 89 mm 3.5 ins |
| Rainy days | 9 days |
| Sea temperature | 19.4°C 66.9°F |
| Humidity | 52% |
| Windspeed | 9kph 6 mph |
On average December is the 4th wettest month of the year in Los Altos with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.9 hours of sunshine per day.
December temperatures in Los Altos
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 Los Altos in December 2025.
Other monthly averages
Best places to visit in December
Los Altos weather stats
| Hottest month: | January | 33.4°C 92.1°F |
|---|---|---|
| Driest month: | August | 6mm 0.2ins |
| Sunniest month: | July | 8.2hrs |
| Coldest month: | July | 19.4°C 66.9°F |
| Wettest month: | January | 125mm 4.9ins |
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