December weather forecastLyme Center, NH
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Lyme Center, New Hampshire, with temperature in the range of an average high of 30°F (-1.1°C) and an average low of 20.3°F (-6.5°C).Temperature
December suggests a modest reduction in the average high-temperature, shifting from an icy 41.4°F (5.2°C) in November to a freezing cold 30°F (-1.1°C). In Lyme Center, an average low-temperature of 20.3°F (-6.5°C) is recorded during December nights.Humidity
The average relative humidity in December is 83%.Rainfall
In Lyme Center, in December, it is raining for 10.6 days, with typically 2.52" (64mm) of accumulated precipitation. In Lyme Center, during the entire year, the rain falls for 158.3 days and collects up to 28.78" (731mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Lyme Center, in December, snow falls for 13.9 days, with typically accumulated 7.2" (183mm) of snow. In Lyme Center, during the entire year, snow falls for 77.6 days and aggregates up to 45.12" (1146mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:21 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lyme Center, NH
- Average high temperature in December: 30°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 (23.9°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in December
Lyme Center, 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
Lyme Center, NH
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Lyme Center, NH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Lyme Center, NH
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is October (3.11").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Lyme Center, NH
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in December
Lyme Center, NH
- Average snowfall in December: 7.2"
The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lyme Center, NH
- Average snowfall days in December: 13.9 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lyme Center, 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: 3h and 54min
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 30min).
Average sunshine days in December
Lyme Center, NH
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Lyme Center, NH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Lyme Center, NH
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Lyme Center, 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).





