December weather forecastPlaistow, NH
December
Weather in December
December, the first month of the winter in Plaistow, is also a wintry month, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 27.7°F (-2.4°C).Temperature
In Plaistow, the beginning of December is marked by a lowered average high-temperature, shifting from November's chilly 48.2°F (9°C) to a wintry 37.9°F (3.3°C). December in Plaistow is noted for a mean low-temperature of 27.7°F (-2.4°C).Humidity
In Plaistow, the average relative humidity in December is 77%.Rainfall
In Plaistow, during December, the rain falls for 4.8 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, in Plaistow, New Hampshire, there are 78.3 rainfall days, and 5.43" (138mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. December is the month with the most snowfall. Snow falls for 2.6 days and accumulates 0.71" (18mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Plaistow, New Hampshire.On the first day of the month, sunrise is at 6:56 am and sunset at 4:11 pm. On the last day of December, in Plaistow, sunrise is at 7:15 am and sunset at 4:20 pm EST.
Sunshine
The average sunshine in December is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plaistow, NH
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Plaistow, 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
Plaistow, NH
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Plaistow, NH
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Plaistow, NH
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in December
Plaistow, NH
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in December
Plaistow, NH
- Average snowfall in December: 0.71"
The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Plaistow, NH
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (5.3 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
Plaistow, NH
- Average daylight in December: 9h and 6min
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 54min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Plaistow, NH
- Average sunshine days in December: 23 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (18.4 days).
Average UV index in December
Plaistow, 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
Plaistow, NH
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Plaistow, NH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
