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
The arrival of December suggests a slight decrease in the average high-temperature, moving from a cool 52.7°F (11.5°C) in November to a frosty 44.1°F (6.7°C). The average low-temperature of 32.7°F (0.4°C) is witnessed in Yeadon, Pennsylvania, during December.Humidity
February, October and December, with an average relative humidity of 77%, are the most humid months in Yeadon, Pennsylvania.Rainfall
In Yeadon, Pennsylvania, in December, it is raining for 9.6 days, with typically 2.4" (61mm) of accumulated precipitation. In Yeadon, during the entire year, the rain falls for 142 days and collects up to 24.41" (620mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Yeadon. In December, in Yeadon, it is snowing for 1.5 days. Throughout December, 0.75" (19mm) of snow is accumulated. In Yeadon, during the entire year, snow falls for 11.3 days and aggregates up to 6.18" (157mm) of snow.Daylight
The month with the shortest days in Yeadon, Pennsylvania, is December, with an average of 9h and 24min of daylight.On the first day of December in Yeadon, Pennsylvania, sunrise is at 7:04 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:46 pm EST.
Sunshine
In December, the average sunshine is 5.1h.UV index
The months with the lowest UV index in Yeadon are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in December transforms into this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
Is it cold in Yeadon during December?
What are the most humid months in Yeadon?
What is the average humidity in December in Yeadon?
How much does it rain in Yeadon in December?
How much does it snow in Yeadon in December?
What is the month with the shortest days in Yeadon?
What is the average length of the day in December in Yeadon?
What time are sunrise and sunset in December in Yeadon?
How long on average sun shines in December in Yeadon?
What are the months with the lowest UV index in Yeadon?
What is the UV index intensity in December in Yeadon?
Average temperature in December
Yeadon, PA
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Yeadon, PA
- Average pressure in December: 30.09"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
Yeadon, PA
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are February, March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Yeadon, PA
- Average humidity in December: 77%
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Yeadon, PA
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
Yeadon, PA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Yeadon, PA
- Average snowfall in December: 0.75"
The month with the highest snowfall is March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Yeadon, PA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Yeadon, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Yeadon, PA
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in December
Yeadon, 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
Yeadon, PA
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Yeadon, 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).
Yeadon, Pennsylvania, USA
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