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
December's onset brings a reduction in the average high-temperature, from a chilly 49.8°F (9.9°C) in November to a cold 40.8°F (4.9°C). An average low-temperature of 29.3°F (-1.5°C) is noted during the nights in December in Windsor Manor, Pennsylvania.Humidity
In Windsor Manor, Pennsylvania, the average relative humidity in December is 79%.Rainfall
In Windsor Manor, Pennsylvania, in December, it is raining for 8.4 days, with typically 1.02" (26mm) of accumulated precipitation. In Windsor Manor, during the entire year, the rain falls for 128.8 days and collects up to 15" (381mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 3.4 days. Throughout December, 1.02" (26mm) of snow is accumulated. In Windsor Manor, during the entire year, snow falls for 19.2 days and aggregates up to 7.52" (191mm) of snow.Daylight
The month with the shortest days in Windsor Manor is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:11 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:51 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
The months with the lowest UV index in Windsor Manor are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Windsor Manor in December?
What is the average humidity in December in Windsor Manor?
How much does it rain in Windsor Manor in December?
How much does it snow in Windsor Manor in December?
What is the month with the shortest days in Windsor Manor?
What is the average length of the day in December in Windsor Manor?
When are sunrise and sunset in December in Windsor Manor?
How many hours of sunshine does Windsor Manor have in December?
What is the month with the lowest UV index in Windsor Manor?
What is the UV index intensity in December in Windsor Manor?
Average temperature in December
Windsor Manor, PA
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Windsor Manor, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Windsor Manor, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Windsor Manor, PA
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in December
Windsor Manor, PA
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
Windsor Manor, PA
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Windsor Manor, PA
- Average snowfall in December: 1.02"
The months with the highest snowfall are January and March (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Windsor Manor, PA
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Windsor Manor, 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: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Windsor Manor, PA
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Windsor Manor, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Windsor Manor, PA
- Average cloud cover in December: 51
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Windsor Manor, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Windsor Manor, Pennsylvania, USA
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