The climate in Smithfield during December can be summarized as cool and a little damp.
December is in the winter in Smithfield and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night -0°C (31°F) is normal.
Daytime temperature | 12.4°C 54.3°F |
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Nightly temperature | -0.4°C 31.3°F |
Average temperature | 6°C 42.8°F |
Daily sunshine | 5.8 hrs |
Avg rainfall | 84 mm 3.3 ins |
Rainy days | 9 days |
Sea temperature | 18.5°C 65.2°F |
Humidity | 70% |
Windspeed | 14.8kph 9 mph |
On average December is the 4th driest month of the year in Smithfield with around 84mm 3.3 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 5.8 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 Smithfield in December 2025.
Best places to visit in December
Hottest month: | July | 31.3°C 88.3°F |
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Driest month: | November | 81mm 3.2ins |
Sunniest month: | April | 9.2hrs |
Coldest month: | January | 10.1°C 50.2°F |
Wettest month: | July | 140mm 5.5ins |