December weather forecastMonroe, NH
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Monroe, New Hampshire, with an average temperature fluctuating between 28.6°F (-1.9°C) and 18.1°F (-7.7°C).Temperature
As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a wintry 39.7°F (4.3°C) to a freezing cold 28.6°F (-1.9°C). An average nighttime temperature of 18.1°F (-7.7°C) is recorded during December.Humidity
In Monroe, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 10.4 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. In Monroe, New Hampshire, during the entire year, the rain falls for 157.2 days and collects up to 28.35" (720mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Monroe. In December, it is snowing for 19.1 days. Throughout December, 7.52" (191mm) of snow is accumulated. Throughout the year, in Monroe, there are 98.4 snowfall days, and 51.97" (1320mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:10 pm. On the last day of December, in Monroe, sunrise is at 7:23 am and sunset at 4:19 pm EST.
Sunshine
In Monroe, New Hampshire, the average sunshine in December is 3.3h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Monroe, NH
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in December
Monroe, NH
- Average pressure in December: 30.04"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
Monroe, NH
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Monroe, NH
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Monroe, NH
- Average rainfall in December: 2.36"
The wettest months (with the highest rainfall) are June and October (2.87").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Monroe, NH
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Monroe, NH
- Average snowfall in December: 7.52"
The month with the highest snowfall is January (12.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Monroe, NH
- Average snowfall days in December: 19.1 days
The month with the highest number of snowfall days is February (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Monroe, NH
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in December
Monroe, NH
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (6.6 days).
Average UV index in December
Monroe, NH
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Monroe, NH
- Average cloud cover in December: 68
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Monroe, NH
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).





