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
Meriden experiences a temperature shift at the start of December, with average high-temperatures adjusting from a cold 42.3°F (5.7°C) in November to a freezing cold 30.7°F (-0.7°C). Throughout December nights, Meriden registers an average low-temperature of 20.8°F (-6.2°C).Humidity
The average relative humidity in December is 83%.Rainfall
In Meriden, during December, the rain falls for 10.6 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 156.4 rainfall days, and 26.14" (664mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Meriden, during December, snow falls for 14.1 days and regularly aggregates up to 6.3" (160mm) of snow. In Meriden, during the entire year, snow falls for 74.2 days and aggregates up to 35.67" (906mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:02 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:22 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index in Meriden. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Meriden have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December in Meriden?
Average temperature in December
Meriden, NH
- Average high temperature in December: 30.7°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 (25.2°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in December
Meriden, 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
Meriden, NH
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Meriden, NH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Meriden, NH
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Meriden, NH
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Meriden, NH
- Average snowfall in December: 6.3"
The month with the highest snowfall is February (9.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Meriden, NH
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Meriden, 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 0min
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 36min).
Average sunshine days in December
Meriden, NH
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in December
Meriden, NH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Meriden, NH
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Meriden, 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).
Meriden, New Hampshire, USA
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