December weather forecastRoland Park, NH
December
Weather in December
December, the first month of the winter in Roland Park, is also a subzero cold month, with an average temperature fluctuating between 31.8°F (-0.1°C) and 21.6°F (-5.8°C).Temperature
The transition into December indicates a reduction in the average high-temperature, down to a subzero cold 31.8°F (-0.1°C) from November's frosty 43.3°F (6.3°C). In the month of December, the average low-temperature in Roland Park usually rests at a still freezing cold 21.6°F (-5.8°C).Humidity
In Roland Park, the average relative humidity in December is 82%.Rainfall
In Roland Park, in December, it is raining for 10.4 days, with typically 2.91" (74mm) of accumulated precipitation. In Roland Park, during the entire year, the rain falls for 152 days and collects up to 29.09" (739mm) of precipitation.Snowfall
Months with snowfall in Roland Park are January through May, October through December. In December, in Roland Park, it is snowing for 10.6 days. Throughout December, 7.01" (178mm) of snow is accumulated. Throughout the year, in Roland Park, New Hampshire, there are 58.3 snowfall days, and 38.98" (990mm) of snow is accumulated.Daylight
December has the shortest days of the year in Roland Park, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:17 pm EST.
Sunshine
In Roland Park, 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 vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Stay sun-safe with clothing that is both closely woven and worn loosely. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roland Park, 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
Roland Park, 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
Roland Park, 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
Roland Park, 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
Roland Park, 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
Roland Park, 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
Roland Park, 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
Roland Park, 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
Roland Park, 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 36min
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
Roland Park, 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
Roland Park, 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
Roland Park, 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
Roland Park, 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).
