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
Transition into December marks a drop in the average high-temperature, moving from a frosty 45.9°F (7.7°C) in November to an icy 34.9°F (1.6°C). In December, the average low-temperature records at a freezing cold 23.9°F (-4.5°C) during the nights.Humidity
The average relative humidity in December is 80%.Rainfall
In Goffstown, in December, it is raining for 9.6 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, in Goffstown, New Hampshire, there are 138.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 7.4 days. Throughout December, 5.16" (131mm) of snow is accumulated. In Goffstown, during the entire year, snow falls for 42 days and aggregates up to 25.83" (656mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:21 pm EST.
Sunshine
The average sunshine in December is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is December in Goffstown?
What is the average humidity in December in Goffstown?
How much does it rain in Goffstown in December?
How many days does it snow in December in Goffstown?
What is the month with the shortest days in Goffstown?
What is the average length of the day in December in Goffstown?
What time are sunrise and sunset in December in Goffstown?
How long on average sun shines in December in Goffstown?
When is the lowest UV index in Goffstown?
What is the UV index intensity in December in Goffstown?
Average temperature in December
Goffstown, NH
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Goffstown, NH
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Goffstown, NH
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Goffstown, NH
- Average humidity in December: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Goffstown, NH
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Goffstown, NH
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Goffstown, NH
- Average snowfall in December: 5.16"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Goffstown, NH
- Average snowfall days in December: 7.4 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Goffstown, NH
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Goffstown, NH
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is March (12.9 days).
Average UV index in December
Goffstown, NH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Goffstown, NH
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Goffstown, NH
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Goffstown, New Hampshire, USA
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