The climate in Filadelfia during December can be summarized as very hot and a little damp.
December is in the summer in Filadelfia and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a warm 35°C (95°F), whilst at night 22°C (72°F) is normal.
Daytime temperature | 34.9°C 94.7°F |
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Nightly temperature | 22°C 71.5°F |
Average temperature | 28.4°C 83.1°F |
Daily sunshine | 9.3 hrs |
Avg rainfall | 95 mm 3.7 ins |
Rainy days | 8 days |
Sea temperature | 22.6°C 72.6°F |
Humidity | 63% |
Windspeed | 10.1kph 6 mph |
On average December is the 2nd wettest month of the year in Filadelfia with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.3 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 Filadelfia in December 2024.
Best places to visit in December
Hottest month: | January | 35°C 95°F |
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Driest month: | August | 6mm 0.2ins |
Sunniest month: | August | 8.4hrs |
Coldest month: | June | 24.7°C 76.5°F |
Wettest month: | January | 102mm 4ins |