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 corresponds with a shift in temperature, down from a frosty 45.9°F (7.7°C) in November to a wintry 36.3°F (2.4°C). Throughout the month of December, the nighttime temperature dips to an average of 25.9°F (-3.4°C).Humidity
The average relative humidity in December in Osceola Mills is 84%.Rainfall
In December, in Osceola Mills, the rain falls for 11.4 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In Osceola Mills, Pennsylvania, during the entire year, the rain falls for 159 days and collects up to 23.46" (596mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Osceola Mills, Pennsylvania, it is snowing for 13.8 days. Throughout December, 4.13" (105mm) of snow is accumulated. Throughout the year, there are 67.7 snowfall days, and 23.54" (598mm) of snow is accumulated.Daylight
December has the shortest days of the year in Osceola Mills, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine in Osceola Mills, Pennsylvania, is 3.5h.UV index
December is the month with the lowest UV index in Osceola Mills, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 1 in December transforms into this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is December in Osceola Mills?
What is the average humidity in December in Osceola Mills?
How much does it rain in Osceola Mills in December?
How many days does it snow in December in Osceola Mills?
What is the month with the shortest days in Osceola Mills?
How many hours of daylight does Osceola Mills have in December?
When are sunrise and sunset in December in Osceola Mills?
How many hours of sunshine does Osceola Mills have in December?
When is the lowest UV index in Osceola Mills?
How high is the UV index in December in Osceola Mills?
Average temperature in December
Osceola Mills, PA
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Osceola Mills, 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 (29.95"Hg).
Average wind speed in December
Osceola Mills, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Osceola Mills, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Osceola Mills, PA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Osceola Mills, PA
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Osceola Mills, PA
- Average snowfall in December: 4.13"
The month with the highest snowfall is January (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Osceola Mills, PA
- Average snowfall days in December: 13.8 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Osceola Mills, 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: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Osceola Mills, PA
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Osceola Mills, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Osceola Mills, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Osceola Mills, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Osceola Mills, Pennsylvania, USA
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