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
West Wyomissing's December weather features a mild decline in high-temperatures, reducing from a fresh 50.2°F (10.1°C) in November to a wintry 40.6°F (4.8°C). West Wyomissing's temperature tends to fall to an average low of 29.7°F (-1.3°C) during the nights of December.Humidity
In December, the average relative humidity in West Wyomissing, Pennsylvania, is 80%.Rainfall
In December, in West Wyomissing, the rain falls for 10.4 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. Throughout the year, in West Wyomissing, Pennsylvania, there are 155.7 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
Months with snowfall in West Wyomissing are January through May, October through December. In West Wyomissing, in December, during 3.7 snowfall days, 1.5" (38mm) of snow is typically accumulated. Throughout the year, in West Wyomissing, there are 21.1 snowfall days, and 12.28" (312mm) of snow is accumulated.Daylight
The month with the shortest days in West Wyomissing is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:47 pm EST.
Sunshine
In West Wyomissing, the average sunshine in December is 4.7h.UV index
January through March, 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 low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
Is it cold in West Wyomissing during December?
What is the average humidity in December in West Wyomissing?
How many days does it rain in December in West Wyomissing?
How many days does it snow in December in West Wyomissing?
What is the month with the shortest days in West Wyomissing?
How many hours of daylight does West Wyomissing have in December?
When are sunrise and sunset in December in West Wyomissing?
How long on average sun shines in December in West Wyomissing?
When is the lowest UV index in West Wyomissing?
What is the UV index reading in December in West Wyomissing?
Average temperature in December
West Wyomissing, PA
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
West Wyomissing, 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
West Wyomissing, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
West Wyomissing, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
West Wyomissing, PA
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is February (2.05").
Average rainfall days in December
West Wyomissing, PA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
West Wyomissing, PA
- Average snowfall in December: 1.5"
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
West Wyomissing, PA
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Wyomissing, 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 36min).
Average sunshine days in December
West Wyomissing, PA
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
West Wyomissing, 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
West Wyomissing, PA
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
West Wyomissing, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
West Wyomissing, Pennsylvania, USA
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