Concord
New Hampshire, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Concord, NH

A rocky coast overlooking beach homes in Rye, Concord point, New Hampshire
A rocky coast overlooking beach homes in Rye, Concord point, New Hampshire
December, the first month of the winter, in Concord, is still a cold month, with average temperature ranging between min 17.2°F (-8.2°C) and max 36.3°F (2.4°C).

Temperature

In December, the average high-temperature drops, from a frosty 48.4°F (9.1°C) in November, to a wintry 36.3°F (2.4°C). In Concord, in December, the average low-temperature is 17.2°F (-8.2°C).

Humidity

The average relative humidity in Concord is 72.3%.

Rainfall

In Concord, during December, the rain falls for 10.9 days and regularly aggregates up to 3.2" (81.3mm) of precipitation. In Concord, during the entire year, the rain falls for 130.9 days and collects up to 40.6" (1031.6mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Concord. In December, it is snowing for 6.6 days. Throughout December, 14.5" (368.3mm) of snow is accumulated. In Concord, during the entire year, snow falls for 29.7 days, and aggregates up to 61.4" (1559.4mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h of daylight.

Sunshine

Months with the least sunshine are November and December, with an average of 4.3h of sunshine.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Concord?

The average high-temperature, in December, in Concord, New Hampshire, is 36.3°F (2.4°C), while the average low-temperature is 17.2°F (-8.2°C).

What is the average humidity in December in Concord?

In December, the average relative humidity in Concord is 72.3%.

How much does it rain in Concord in December?

In December, in Concord, New Hampshire, the rain falls for 10.9 days. Throughout December, 3.2" (81.3mm) of precipitation is accumulated.

How much does it snow in Concord in December?

In December, in Concord, it is snowing for 6.6 days. Throughout December, 14.5" (368.3mm) of snow is accumulated.

What is the month with the shortest days in Concord?

December has the shortest days of the year in Concord, New Hampshire, with an average of 9h of daylight.

How many hours of daylight does Concord have in December?

In Concord, New Hampshire, the average length of the day in December is 9h.

What is the month with the least sunshine in Concord?

November and December, with an average of 4.3h of sunshine, are months with the least sunshine in Concord, New Hampshire.

How long on average sun shines in December in Concord?

The average sunshine in December in Concord, New Hampshire, is 4.3h.

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

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Concord.

What is the UV index reading in December in Concord?

The average daily maximum UV index in December in Concord, New Hampshire, is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in December - Concord, NH
  • Average high temperature in December: 36.3°F

The warmest month (with the highest average high temperature) is July (82.3°F).
The month with the lowest average high temperature is January (30.8°F).

  • Average low temperature in December: 17.2°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).

Average humidity in December - Concord, NH
  • Average humidity in December: 72.3%

The month with the highest relative humidity is September (76.3%).
The month with the lowest relative humidity is April (62%).

Average rainfall in December - Concord, NH
  • Average rainfall in December: 3.2"

The wettest month (with the highest rainfall) is October (4").
The driest month (with the lowest rainfall) is February (2.6").

Average rainfall days in December - Concord, NH
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is June (12.7 days).
The month with the lowest number of rainy days is September (9.3 days).

Average snowfall in December - Concord, NH
  • Average snowfall in December: 14.5"

The month with the highest snowfall is January (18.1").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in December - Concord, NH
  • Average snowfall days in December: 6.6 days

The month with the highest number of snowfall days is January (8.2 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Concord, NH
  • Average daylight in December: 9h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in December: 4.3h

The month with most sunshine is July (Average sunshine: 9.5h).
Months with least sunshine are November and December (Average sunshine: 4.3).

Average UV index in December - Concord, NH
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).