December weather forecastChichester, NH
December
Weather in December
December, the first month of the winter in Chichester, is also an icy month, with an average temperature varying between 23.4°F (-4.8°C) and 33.8°F (1°C).Temperature
As December begins, there is a decrease in the average high-temperature, falling from a frosty 45°F (7.2°C) in November to an icy 33.8°F (1°C). During December, Chichester's temperature falls to a steady low-temperature average of 23.4°F (-4.8°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Chichester, New Hampshire, during December, the rain falls for 8.7 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Chichester, during the entire year, the rain falls for 139.2 days and collects up to 28.94" (735mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Chichester, it is snowing for 8.7 days. Throughout December, 6.42" (163mm) of snow is accumulated. In Chichester, during the entire year, snow falls for 46.5 days and aggregates up to 32.6" (828mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:20 pm EST.
Sunshine
In Chichester, the average sunshine in December is 4.7h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chichester, NH
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 23.4°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 (15.3°F).
Average pressure in December
Chichester, 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
Chichester, NH
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Chichester, NH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Chichester, NH
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Chichester, NH
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in December
Chichester, NH
- Average snowfall in December: 6.42"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Chichester, NH
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chichester, 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 42min
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
Chichester, NH
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is March (13.1 days).
Average UV index in December
Chichester, NH
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Chichester, 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
Chichester, NH
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
