Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A mild shift in the average high-temperature occurs in December, reducing from a cool 52.2°F (11.2°C) in November to a chilly 43.7°F (6.5°C). In Chadds Ford, December nights cool down to an average of 32.7°F (0.4°C).Humidity
In Chadds Ford, the average relative humidity in December is 77%.Rainfall
In Chadds Ford, in December, during 11.5 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Chadds Ford, during the entire year, the rain falls for 168.9 days and collects up to 35.55" (903mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Chadds Ford, Pennsylvania, it is snowing for 3.2 days. Throughout December, 1.54" (39mm) of snow is accumulated. In Chadds Ford, during the entire year, snow falls for 21.9 days and aggregates up to 12.05" (306mm) of snow.Daylight
December has the shortest days of the year in Chadds Ford, Pennsylvania, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:47 pm EST.
Sunshine
In December, the average sunshine is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is it in Chadds Ford in December?
What is the average humidity in December in Chadds Ford?
How many days does it rain in December in Chadds Ford?
How much does it snow in Chadds Ford in December?
What is the month with the shortest days in Chadds Ford?
What is the average length of the day in December in Chadds Ford?
When is the sunrise / sunset in December in Chadds Ford?
How long on average sun shines in December in Chadds Ford?
What is the month with the lowest UV index in Chadds Ford?
How high is the UV index in December in Chadds Ford?
Average temperature in December
Chadds Ford, PA
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in December
Chadds Ford, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Chadds Ford, PA
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Chadds Ford, PA
- Average humidity in December: 77%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Chadds Ford, PA
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").
Average rainfall days in December
Chadds Ford, PA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Chadds Ford, PA
- Average snowfall in December: 1.54"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Chadds Ford, PA
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chadds Ford, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Chadds Ford, PA
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).
Average UV index in December
Chadds Ford, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Chadds Ford, PA
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Chadds Ford, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Chadds Ford, Pennsylvania, USA
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