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
The shift from November to December corresponds with a decrease in the average high-temperature, down to a subzero cold 31.8°F (-0.1°C) from a chilly 43.3°F (6.3°C). An average temperature of 21.6°F (-5.8°C) is recorded in Mirror Lake during the nights in December.Humidity
The average relative humidity in December is 82%.Rainfall
In Mirror Lake, New Hampshire, in December, it is raining for 10.4 days, with typically 2.91" (74mm) of accumulated precipitation. In Mirror Lake, New Hampshire, during the entire year, the rain falls for 152 days and collects up to 29.09" (739mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Mirror Lake, in December, snow falls for 10.6 days, with typically accumulated 7.01" (178mm) of snow. In Mirror Lake, during the entire year, snow falls for 58.3 days and aggregates up to 38.98" (990mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December in Mirror Lake, New Hampshire, sunrise is at 6:59 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:18 pm EST.
Sunshine
The average sunshine in December is 4.6h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is it in Mirror Lake in December?
What is the average humidity in December in Mirror Lake?
How many days does it rain in December in Mirror Lake?
How many days does it snow in December in Mirror Lake?
What is the month with the shortest days in Mirror Lake?
How many hours of daylight does Mirror Lake have in December?
When are sunrise and sunset in December in Mirror Lake?
How long on average sun shines in December in Mirror Lake?
What is the month with the lowest UV index in Mirror Lake?
What is the UV index intensity in December in Mirror Lake?
Average temperature in December
Mirror Lake, NH
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in December
Mirror Lake, 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
Mirror Lake, NH
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Mirror Lake, NH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Mirror Lake, NH
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Mirror Lake, NH
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
Mirror Lake, NH
- Average snowfall in December: 7.01"
The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mirror Lake, NH
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mirror Lake, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Mirror Lake, NH
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in December
Mirror Lake, NH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Mirror Lake, NH
- Average cloud cover in December: 50
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Mirror Lake, NH
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Mirror Lake, New Hampshire, USA
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