December weather forecast
Keene, NH

Weather in December

December, the first month of the winter in Keene, is still a cold month, with an average temperature fluctuating between 33.4°F (0.8°C) and 22.8°F (-5.1°C).

Temperature

In Keene, New Hampshire, the average high-temperature in December decreases from a frosty 44.4°F (6.9°C) in November to a cold 33.4°F (0.8°C). In December, in Keene, the average low-temperature is 22.8°F (-5.1°C).

Humidity

In Keene, the average relative humidity in December is 82%.

Rainfall

In Keene, it is raining for 7.7 days, with typically 0.87" (22mm) of accumulated precipitation. In Keene, New Hampshire, during the entire year, the rain falls for 125.1 days and collects up to 11.69" (297mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, in Keene, it is snowing for 7.4 days. Throughout December, 1.61" (41mm) of snow is accumulated. In Keene, during the entire year, snow falls for 39.8 days and aggregates up to 10.2" (259mm) of snow.

Daylight

With an average of 9h and 5min of daylight, December has the shortest days of the year in Keene.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:15 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:24 pm EST.

Sunshine

In Keene, New Hampshire, the average sunshine in December is 4.8h.

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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in December in Keene?

The average relative humidity in December in Keene is 82%.

How much does it rain in Keene in December?

In Keene, New Hampshire, in December, it is raining for 7.7 days, with typically 0.87" (22mm) of accumulated precipitation.

How much does it snow in Keene in December?

In Keene, New Hampshire, during December, snow falls for 7.4 days and regularly aggregates up to 1.61" (41mm) of snow.

What is the month with the shortest days in Keene?

With an average of 9h and 5min of daylight, December has the shortest days of the year in Keene.

How many hours of daylight does Keene have in December?

The average day length in December in Keene, New Hampshire, is 9h and 5min.

When is the sunrise / sunset in December in Keene?

On the first day of December in Keene, sunrise is at 7:00 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:24 pm EST.

How many hours of sunshine does Keene have in December?

The average sunshine duration in December is 4.8h.

What is the month with the lowest UV index in Keene?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

What is the UV index reading in December in Keene?

In December, the average daily maximum UV index in Keene is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.

Average temperature in December
Keene, NH

Average temperature in December - Keene, NH
  • Average high temperature in December: 33.4°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

[Resources]

Average pressure in December
Keene, NH

Average pressure in December - Keene, NH
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

[Resources]

Average wind speed in December
Keene, NH

Average wind speed in December - Keene, NH
  • Average wind speed in December: 7.3mph

The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

[Resources]

Average humidity in December
Keene, NH

Average humidity in December - Keene, NH
  • Average humidity in December: 82%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

[Resources]

Average rainfall in December
Keene, NH

Average rainfall in December - Keene, NH
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").

[Resources]

Average rainfall days in December
Keene, NH

Average rainfall days in December - Keene, NH
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).

[Resources]

Average snowfall in December
Keene, NH

Average snowfall in December - Keene, NH
  • Average snowfall in December: 1.61"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Keene, NH

Average snowfall days in December - Keene, NH
  • Average snowfall days in December: 7.4 days

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Keene, NH

Average daylight in December / Average sunshine in December - Keene, NH
  • Average daylight in December: 9h and 5min

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 5min).

  • Average sunshine in December: 4.8h

The month with the most sunshine is August (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.4h).

[Resources]

Average sunshine days in December
Keene, NH

Average sunshine days in December - Keene, NH
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).

[Resources]

Average UV index in December
Keene, NH

Average UV index in December - Keene, NH
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

[Resources]

Average cloud cover in December
Keene, NH

Average cloud cover in December - Keene, NH
  • Average cloud cover in December: 49

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

[Resources]

Average visibility in December
Keene, NH

Average visibility in December - Keene, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location