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
A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 43.5°F (6.4°C) to a wintry 32.7°F (0.4°C). The mean low-temperature during December nights in Harrisville, New Hampshire, is a freezing cold 22.1°F (-5.5°C).Humidity
In Harrisville, New Hampshire, the average relative humidity in December is 83%.Rainfall
In Harrisville, in December, during 8.6 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Harrisville, New Hampshire, during the entire year, the rain falls for 141.7 days and collects up to 32.09" (815mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Harrisville, in December, during 10.4 snowfall days, 7.87" (200mm) of snow is typically accumulated. In Harrisville, during the entire year, snow falls for 59.9 days and aggregates up to 47.95" (1218mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:14 pm. On the last day of December, in Harrisville, New Hampshire, sunrise is at 7:19 am and sunset at 4:24 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is December in Harrisville?
What is the average humidity in December in Harrisville?
How many days does it rain in December in Harrisville?
How much does it snow in Harrisville in December?
What is the month with the shortest days in Harrisville?
How many hours of daylight does Harrisville have in December?
When are sunrise and sunset in December in Harrisville?
How long on average sun shines in December in Harrisville?
What is the month with the lowest UV index in Harrisville?
What is the UV index reading in December in Harrisville?
Average temperature in December
Harrisville, NH
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Harrisville, NH
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Harrisville, NH
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Harrisville, NH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Harrisville, NH
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is August (2.28").
Average rainfall days in December
Harrisville, NH
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Harrisville, NH
- Average snowfall in December: 7.87"
The month with the highest snowfall is February (11.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harrisville, NH
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harrisville, NH
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Harrisville, NH
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is March (12 days).
Average UV index in December
Harrisville, NH
- 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 February and December (UV index 1).
Average cloud cover in December
Harrisville, NH
- Average cloud cover in December: 54
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Harrisville, NH
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Harrisville, New Hampshire, USA
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