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
Hill's weather changes with the onset of December, slightly falling from an icy 42.6°F (5.9°C) in November to a subzero cold 31.3°F (-0.4°C). Throughout December, an average low-temperature of 21°F (-6.1°C) is expected.Humidity
The average relative humidity in December is 82%.Rainfall
In Hill, in December, during 11.3 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 157.6 rainfall days, and 27.72" (704mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Hill, during December, snow falls for 11.8 days and regularly aggregates up to 6.38" (162mm) of snow. Throughout the year, there are 64.6 snowfall days, and 35.98" (914mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:20 pm EST.
Sunshine
In December, the average sunshine is 4.3h.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 low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Hill?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day 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?
What is the UV index reading in December?
Average temperature in December
Hill, NH
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in December
Hill, 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
Hill, 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 month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Hill, 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 (75%).
Average rainfall in December
Hill, NH
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Hill, NH
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is April (15.7 days).
The month with the least rainy days is January (10.1 days).
Average snowfall in December
Hill, NH
- Average snowfall in December: 6.38"
The month with the highest snowfall is February (9.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hill, NH
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hill, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Hill, NH
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in December
Hill, NH
- Average UV index in December: 2
The months with the highest UV index are May, 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
Hill, NH
- Average cloud cover in December: 54
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Hill, 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).
Hill, New Hampshire, USA
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