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 is characterized by a reduction in the average high-temperature, from a frosty 44.2°F (6.8°C) in November to a wintry 34.7°F (1.5°C). Johnsonburg records an average temperature drop to a subzero cold 24.8°F (-4°C) in December.Humidity
In Johnsonburg, the average relative humidity in December is 87%.Rainfall
In Johnsonburg, in December, it is raining for 6.9 days, with typically 1.06" (27mm) of accumulated precipitation. In Johnsonburg, during the entire year, the rain falls for 123 days and collects up to 12.44" (316mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Johnsonburg, in December, snow falls for 15.6 days, with typically accumulated 3.27" (83mm) of snow. Throughout the year, there are 74 snowfall days, and 15.2" (386mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December in Johnsonburg, sunrise is at 7:22 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:55 pm EST.
Sunshine
January and December, with an average of 2.4h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Johnsonburg are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in Johnsonburg in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Johnsonburg have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Johnsonburg, PA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in December
Johnsonburg, 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
Johnsonburg, PA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Johnsonburg, PA
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in December
Johnsonburg, PA
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is April (1.38").
The driest months (with the least rainfall) are September and November (0.79").
Average rainfall days in December
Johnsonburg, PA
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (14.7 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in December
Johnsonburg, PA
- Average snowfall in December: 3.27"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Johnsonburg, PA
- Average snowfall days in December: 15.6 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Johnsonburg, 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: 2h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 2h and 24min).
Average sunshine days in December
Johnsonburg, PA
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is December (10.8 days).
Average UV index in December
Johnsonburg, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Johnsonburg, PA
- Average cloud cover in December: 77
The month with the most cloud cover is January (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in December
Johnsonburg, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, October, November and December (5mi).
The months with the lowest visibility are February, July, August and September (4mi).
Johnsonburg, Pennsylvania, USA
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