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's onset brings a slight change in high-temperatures, falling from a chilly 44.2°F (6.8°C) in November to an icy 33.1°F (0.6°C). Throughout December, Effingham registers a consistent average low-temperature of 21.7°F (-5.7°C).Humidity
The average relative humidity in December in Effingham, New Hampshire, is 81%.Rainfall
In Effingham, during December, the rain falls for 8.8 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 138 rainfall days, and 30.08" (764mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Effingham. In Effingham, in December, during 8.9 snowfall days, 7.2" (183mm) of snow is typically accumulated. Throughout the year, in Effingham, there are 48.9 snowfall days, and 38.15" (969mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Effingham.On the first day of December in Effingham, sunrise is at 6:58 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:16 pm EST.
Sunshine
In Effingham, the average sunshine in December is 4.7h.UV index
In Effingham, New Hampshire, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Effingham in December?
What is the average humidity in December in Effingham?
How much does it rain in Effingham in December?
How much does it snow in Effingham in December?
What is the month with the shortest days in Effingham?
How many hours of daylight does Effingham have in December?
When are sunrise and sunset in December in Effingham?
How long on average sun shines in December in Effingham?
What is the UV index reading in December in Effingham?
Average temperature in December
Effingham, NH
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in December: 21.7°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in December
Effingham, 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 (29.91"Hg).
Average wind speed in December
Effingham, NH
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Effingham, NH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in December
Effingham, NH
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Effingham, NH
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Effingham, NH
- Average snowfall in December: 7.2"
The month with the highest snowfall is February (9.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Effingham, NH
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Effingham, NH
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Effingham, NH
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in December
Effingham, NH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Effingham, NH
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Effingham, NH
- 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).
Effingham, New Hampshire, USA
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