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 onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 45.5°F (7.5°C) in November to a cold 35.6°F (2°C). Lake Winola reports an average low-temperature of 25.7°F (-3.5°C) during the nights of December.Humidity
February and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In Lake Winola, in December, it is raining for 11.8 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 159.9 rainfall days, and 26.65" (677mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Lake Winola, during December, snow falls for 12.5 days and regularly aggregates up to 4.92" (125mm) of snow. In Lake Winola, during the entire year, snow falls for 64.6 days and aggregates up to 28.03" (712mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:11 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:43 pm EST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 3.4h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Lake Winola?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Lake Winola, PA
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Lake Winola, 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
Lake Winola, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January, February, March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Lake Winola, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Lake Winola, PA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Lake Winola, PA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Lake Winola, PA
- Average snowfall in December: 4.92"
The month with the highest snowfall is February (7.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lake Winola, PA
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lake Winola, PA
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 24min).
Average sunshine days in December
Lake Winola, PA
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in December
Lake Winola, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Lake Winola, PA
- Average cloud cover in December: 65
The months with the most cloud cover are January, February and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Lake Winola, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Lake Winola, Pennsylvania, USA
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