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
Cornish Flat's weather changes with the onset of December, slightly falling from a wintry 42.3°F (5.7°C) in November to a freezing cold 30.7°F (-0.7°C). During the month of December, Cornish Flat anticipates a mean low-temperature of 20.8°F (-6.2°C).Humidity
The average relative humidity in December in Cornish Flat is 83%.Rainfall
In December, the rain falls for 10.6 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. In Cornish Flat, during the entire year, the rain falls for 156.4 days and collects up to 26.14" (664mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Cornish Flat. In Cornish Flat, New Hampshire, in December, snow falls for 14.1 days, with typically accumulated 6.3" (160mm) of snow. Throughout the year, in Cornish Flat, New Hampshire, there are 74.2 snowfall days, and 35.67" (906mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Cornish Flat.On the first day of December in Cornish Flat, sunrise is at 7:02 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:22 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index in Cornish Flat. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 suggests this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold is December in Cornish Flat?
What is the average humidity in December in Cornish Flat?
How much does it rain in Cornish Flat in December?
How much does it snow in Cornish Flat in December?
What is the month with the shortest days in Cornish Flat?
How many hours of daylight does Cornish Flat have in December?
When are sunrise and sunset in December in Cornish Flat?
How long on average sun shines in December in Cornish Flat?
When is the lowest UV index in Cornish Flat?
What is the UV index reading in December in Cornish Flat?
Average temperature in December
Cornish Flat, NH
- Average high temperature in December: 30.7°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in December
Cornish Flat, 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 (29.91"Hg).
Average wind speed in December
Cornish Flat, NH
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Cornish Flat, NH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Cornish Flat, NH
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Cornish Flat, NH
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Cornish Flat, NH
- Average snowfall in December: 6.3"
The month with the highest snowfall is February (9.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cornish Flat, NH
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cornish Flat, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Cornish Flat, NH
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in December
Cornish Flat, NH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Cornish Flat, NH
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Cornish Flat, NH
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
Cornish Flat, New Hampshire, USA
Weather forecast for your location
2. Allow the app to use your location
