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 transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a wintry 40.5°F (4.7°C) in November to a subzero cold 29.3°F (-1.5°C). An average minimum temperature of 18.7°F (-7.4°C) marks the month of December in Bartlett.Humidity
The average relative humidity in December in Bartlett is 83%.Rainfall
In Bartlett, New Hampshire, in December, during 12.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. In Bartlett, during the entire year, the rain falls for 177.3 days and collects up to 35.35" (898mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Bartlett, in December, snow falls for 15.5 days, with typically accumulated 9.84" (250mm) of snow. In Bartlett, during the entire year, snow falls for 83 days and aggregates up to 60.39" (1534mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Bartlett.On the first day of December, sunrise is at 7:00 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:16 pm EST.
Sunshine
In Bartlett, the average sunshine in December is 4.2h.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Bartlett in December?
What is the average humidity in December in Bartlett?
How much does it rain in Bartlett in December?
How many days does it snow in December in Bartlett?
What is the month with the shortest days in Bartlett?
How many hours of daylight does Bartlett have in December?
When are sunrise and sunset in December in Bartlett?
How many hours of sunshine does Bartlett have in December?
How high is the UV index in December in Bartlett?
Average temperature in December
Bartlett, NH
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 18.7°F
The month with the highest average low temperature is July (54.9°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in December
Bartlett, 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
Bartlett, NH
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Bartlett, NH
- Average humidity in December: 83%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Bartlett, NH
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is October (3.9").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Bartlett, NH
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in December
Bartlett, NH
- Average snowfall in December: 9.84"
The month with the highest snowfall is February (16.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bartlett, NH
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bartlett, NH
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- 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: 4h and 0min).
Average sunshine days in December
Bartlett, NH
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in December
Bartlett, NH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Bartlett, NH
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Bartlett, NH
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and November (5mi).
The months with the lowest visibility are January, February, March, April, September, October and December (4mi).
Bartlett, New Hampshire, USA
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