Treinta y Tres Weather in January
What's the weather like in Treinta y Tres (Treinta y Tres) in January 2026?
The climate in Treinta y Tres during January can be summarized as hot and damp.
January is in the summer in Treinta y Tres and is typically the warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (85°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 29.6°C 85.3°F |
|---|---|
| Nightly temperature | 16.8°C 62.2°F |
| Average temperature | 23.2°C 73.8°F |
| Daily sunshine | 9 hrs |
| Avg rainfall | 117 mm 4.6 ins |
| Rainy days | 11 days |
| Sea temperature | 22.9°C 73.3°F |
| Humidity | 68% |
| Windspeed | 13.3kph 8 mph |
On average January is the 4th wettest month of the year in Treinta y Tres with around 117mm 4.6 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
January temperatures in Treinta y Tres
January rainfall
January 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 Treinta y Tres in January 2025.
Other monthly averages
Best places to visit in January
Treinta y Tres weather stats
| Hottest month: | January | 29.3°C 84.7°F |
|---|---|---|
| Driest month: | April | 82mm 3.2ins |
| Sunniest month: | December | 9.4hrs |
| Coldest month: | July | 16.2°C 61.2°F |
| Wettest month: | July | 130mm 5.1ins |
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