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 start of December involves a temperature drop, moving from a frosty 48.4°F (9.1°C) in November to a cold 39°F (3.9°C). During December, the temperature tends to dip to an average of 27.5°F (-2.5°C) at night.Humidity
In December, the average relative humidity in Rasleytown, Pennsylvania, is 81%.Rainfall
In Rasleytown, in December, during 9.4 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in Rasleytown, there are 139.9 rainfall days, and 19.88" (505mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rasleytown are January through May, October through December. In December, it is snowing for 4.1 days. Throughout December, 2.32" (59mm) of snow is accumulated. In Rasleytown, during the entire year, snow falls for 24.7 days and aggregates up to 10.94" (278mm) of snow.Daylight
The month with the shortest days in Rasleytown is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of December, in Rasleytown, sunrise is at 7:25 am and sunset at 4:43 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Rasleytown, Pennsylvania. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 1 in December leads to these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
Is it cold in Rasleytown during December?
What is the average humidity in December in Rasleytown?
How many days does it rain in December in Rasleytown?
How much does it snow in Rasleytown in December?
What is the month with the shortest days in Rasleytown?
How many hours of daylight does Rasleytown have in December?
What time are sunrise and sunset in December in Rasleytown?
How many hours of sunshine does Rasleytown have in December?
When is the lowest UV index in Rasleytown?
How high is the UV index in December in Rasleytown?
Average temperature in December
Rasleytown, PA
- Average high temperature in December: 39°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 (33.4°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Rasleytown, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Rasleytown, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Rasleytown, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Rasleytown, PA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is July (2.32").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in December
Rasleytown, PA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Rasleytown, PA
- Average snowfall in December: 2.32"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rasleytown, PA
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is February (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
Rasleytown, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Rasleytown, PA
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Rasleytown, PA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Rasleytown, PA
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Rasleytown, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Rasleytown, Pennsylvania, USA
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