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
The transition into December indicates a reduction in the average high-temperature, down to a subzero cold 28.6°F (-1.9°C) from November's wintry 39.6°F (4.2°C). Throughout December, an average nighttime temperature of 17.8°F (-7.9°C) is experienced in Randolph.Humidity
In Randolph, the average relative humidity in December is 84%.Rainfall
In December, the rain falls for 12.5 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. In Randolph, during the entire year, the rain falls for 168.4 days and collects up to 30.47" (774mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Randolph, during December, snow falls for 18.4 days and regularly aggregates up to 9.49" (241mm) of snow. In Randolph, during the entire year, snow falls for 96.4 days and aggregates up to 60.94" (1548mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Randolph.On the first day of December in Randolph, sunrise is at 7:01 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:15 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
The average daily maximum UV index in December in Randolph is 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, the UV index of 2 transforms into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Randolph in December?
What is the average humidity in December in Randolph?
How many days does it rain in December in Randolph?
How many days does it snow in December in Randolph?
What is the month with the shortest days in Randolph?
What is the average length of the day in December in Randolph?
When are sunrise and sunset in December in Randolph?
How long on average sun shines in December in Randolph?
How high is the UV index in December in Randolph?
Average temperature in December
Randolph, NH
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in December: 17.8°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Randolph, NH
- Average pressure in December: 30.03"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
Randolph, 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 (4.5mph).
Average humidity in December
Randolph, NH
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Randolph, NH
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is October (3.43").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Randolph, NH
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Randolph, NH
- Average snowfall in December: 9.49"
The month with the highest snowfall is February (12.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Randolph, NH
- Average snowfall days in December: 18.4 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Randolph, NH
- Average daylight in December: 8h and 5min
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: 4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Randolph, NH
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in December
Randolph, NH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Randolph, NH
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Randolph, NH
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October and December (4mi).
Randolph, New Hampshire, USA
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