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 transition into December involves a decrease in the average high-temperature, falling from a chilly 45.5°F (7.5°C) in November to an icy 34.7°F (1.5°C). December nights in Epsom, New Hampshire, are marked by an average temperature drop to a subzero cold 24.1°F (-4.4°C).Humidity
In Epsom, New Hampshire, the average relative humidity in December is 80%.Rainfall
In Epsom, in December, during 10.2 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 146.3 rainfall days, and 29.92" (760mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Epsom, in December, during 8 snowfall days, 6.54" (166mm) of snow is typically accumulated. Throughout the year, there are 44.9 snowfall days, and 32.95" (837mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December in Epsom, sunrise is at 6:58 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:20 pm EST.
Sunshine
The average sunshine in December is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Epsom. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold is it in Epsom in December?
What is the average humidity in December in Epsom?
How much does it rain in Epsom in December?
How many days does it snow in December in Epsom?
What is the month with the shortest days in Epsom?
What is the average length of the day in December in Epsom?
When are sunrise and sunset in December in Epsom?
How long on average sun shines in December in Epsom?
What is the month with the lowest UV index in Epsom?
What is the UV index reading in December in Epsom?
Average temperature in December
Epsom, NH
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in December
Epsom, NH
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Epsom, NH
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Epsom, NH
- Average humidity in December: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Epsom, NH
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Epsom, NH
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Epsom, NH
- Average snowfall in December: 6.54"
The month with the highest snowfall is February (8.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Epsom, NH
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Epsom, NH
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Epsom, NH
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (13 days).
Average UV index in December
Epsom, NH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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
Epsom, NH
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Epsom, NH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Epsom, New Hampshire, USA
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