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
Onset of December witnesses a reduction in the average high-temperature, falling from a frosty 47.3°F (8.5°C) in November to a wintry 37.8°F (3.2°C). An average minimum temperature of 26.4°F (-3.1°C) is recorded during the month of December.Humidity
In December, the average relative humidity in East Butler is 86%.Rainfall
In East Butler, during December, the rain falls for 10.4 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 177.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In East Butler, in December, snow falls for 15.6 days, with typically accumulated 5.67" (144mm) of snow. Throughout the year, there are 72.7 snowfall days, and 31.93" (811mm) of snow is accumulated.Daylight
December has the shortest days of the year in East Butler, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:25 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:01 pm EST.
Sunshine
In December, the average sunshine is 2.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 1 in December suggests the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold does it get in East Butler in December?
What is the average humidity in December in East Butler?
How much does it rain in East Butler in December?
How many days does it snow in December in East Butler?
What is the month with the shortest days in East Butler?
What is the average length of the day in December in East Butler?
When is the sunrise / sunset in December in East Butler?
How long on average sun shines in December in East Butler?
When is the lowest UV index in East Butler?
What is the UV index intensity in December in East Butler?
Average temperature in December
East Butler, PA
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
East Butler, 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
East Butler, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in December
East Butler, PA
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April, July and August (78%).
Average rainfall in December
East Butler, PA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in December
East Butler, PA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
East Butler, PA
- Average snowfall in December: 5.67"
The month with the highest snowfall is January (8.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
East Butler, PA
- Average snowfall days in December: 15.6 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
East Butler, 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: 2h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
East Butler, PA
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in December
East Butler, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
East Butler, PA
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
East Butler, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
East Butler, Pennsylvania, USA
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