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 ushers in a slight temperature change, with average high-temperatures reducing from November's cool 50.4°F (10.2°C) to a cold 41.2°F (5.1°C). During December, the nighttime temperature averages to a freezing cold 29.8°F (-1.2°C).Humidity
In December, the average relative humidity in Adamstown is 80%.Rainfall
In December, in Adamstown, the rain falls for 8.6 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 127.9 rainfall days, and 11.69" (297mm) of precipitation is accumulated.Snowfall
January through March, May, November and December are months with snowfall. In December, it is snowing for 3 days. Throughout December, 0.43" (11mm) of snow is accumulated. Throughout the year, in Adamstown, there are 18.5 snowfall days, and 3.86" (98mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:38 pm. On the last day of December, in Adamstown, sunrise is at 7:26 am and sunset at 4:48 pm EST.
Sunshine
In Adamstown, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Adamstown are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these 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. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is December in Adamstown?
What is the average humidity in December in Adamstown?
How much does it rain in Adamstown in December?
How much does it snow in Adamstown in December?
What is the month with the shortest days in Adamstown?
What is the average length of the day in December in Adamstown?
When is the sunrise / sunset in December in Adamstown?
How many hours of sunshine does Adamstown have in December?
When is the lowest UV index in Adamstown?
What is the UV index intensity in December in Adamstown?
Average temperature in December
Adamstown, PA
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Adamstown, 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
Adamstown, PA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Adamstown, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Adamstown, PA
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Adamstown, PA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Adamstown, PA
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (1.18").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Adamstown, PA
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Adamstown, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Adamstown, PA
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in December
Adamstown, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Adamstown, PA
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Adamstown, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Adamstown, Pennsylvania, USA
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