Nanao Weather in December
What's the weather like in Nanao (Ishikawa) in December 2025?
The climate in Nanao during December can be summarized as cool and very wet.
December is in the winter in Nanao and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 2°C (36°F) is normal.
| Daytime temperature | 8.9°C 48°F |
|---|---|
| Nightly temperature | 2.3°C 36.1°F |
| Average temperature | 5.6°C 42.1°F |
| Daily sunshine | 2.1 hrs |
| Avg rainfall | 281 mm 11.1 ins |
| Rainy days | 28 days |
| Sea temperature | 14.4°C 57.9°F |
| Humidity | 78% |
| Windspeed | 12.2kph 8 mph |
On average December is the wettest month of the year in Nanao with around 281mm 11.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 28 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.1 hours of sunshine per day.
December temperatures in Nanao
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 Nanao in December 2025.
Other monthly averages
Best places to visit in December
Nanao weather stats
| Hottest month: | August | 29.8°C 85.6°F |
|---|---|---|
| Driest month: | May | 127mm 5ins |
| Sunniest month: | August | 7hrs |
| Coldest month: | February | 5.4°C 41.7°F |
| Wettest month: | December | 281mm 11.1ins |
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