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
New Hampshire observes a minor decrease in the average high-temperature with the arrival of December, falling from November's chilly 48°F (8.9°C) to a cold 37.4°F (3°C). The average nighttime temperature lowers to a subzero cold 27.3°F (-2.6°C) throughout December.Humidity
In December, the average relative humidity is 83%.Rainfall
In New Hampshire, in December, it is raining for 10.5 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 173.3 rainfall days, and 33.43" (849mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In New Hampshire, during December, snow falls for 10.1 days and regularly aggregates up to 2.99" (76mm) of snow. Throughout the year, there are 47.4 snowfall days, and 15.63" (397mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:40 am and sunset at 5:09 pm. On the last day of December, in New Hampshire, sunrise is at 7:59 am and sunset at 5:19 pm EST.
Sunshine
The average sunshine in December is 3.7h.UV index
The month with the lowest UV index in New Hampshire, Ohio, is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
New Hampshire, OH
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
New Hampshire, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
New Hampshire, OH
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
New Hampshire, OH
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
New Hampshire, OH
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in December
New Hampshire, OH
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
New Hampshire, OH
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
New Hampshire, OH
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
New Hampshire, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
New Hampshire, OH
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in December
New Hampshire, OH
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
New Hampshire, OH
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
New Hampshire, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
New Hampshire, Ohio, USA
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