The climate in Tianguá during December can be summarized as hot and reasonably dry.
December is in the summer in Tianguá and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a warm 32°C (89°F), whilst at night 22°C (71°F) is normal.
Daytime temperature | 31.6°C 88.9°F |
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Nightly temperature | 21.8°C 71.2°F |
Average temperature | 26.7°C 80.1°F |
Daily sunshine | 7.2 hrs |
Avg rainfall | 40 mm 1.6 ins |
Rainy days | 15 days |
Sea temperature | 27.5°C 81.5°F |
Humidity | 64% |
Windspeed | 13.7kph 9 mph |
On average December is the 6th wettest month of the year in Tianguá with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
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 Tianguá in December 2025.
Best places to visit in December
Hottest month: | November | 32.3°C 90.1°F |
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Driest month: | September | 1mm 0ins |
Sunniest month: | August | 9.6hrs |
Coldest month: | May | 28.8°C 83.8°F |
Wettest month: | March | 297mm 11.7ins |