December weather forecast
Chichester, NH

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Weather in December

December, the first month of the winter in Chichester, is also an icy month, with an average temperature varying between 23.4°F (-4.8°C) and 33.8°F (1°C).

Temperature

As December begins, there is a decrease in the average high-temperature, falling from a frosty 45°F (7.2°C) in November to an icy 33.8°F (1°C). During December, Chichester's temperature falls to a steady low-temperature average of 23.4°F (-4.8°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Chichester, New Hampshire, during December, the rain falls for 8.7 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Chichester, during the entire year, the rain falls for 139.2 days and collects up to 28.94" (735mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, in Chichester, it is snowing for 8.7 days. Throughout December, 6.42" (163mm) of snow is accumulated. In Chichester, during the entire year, snow falls for 46.5 days and aggregates up to 32.6" (828mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 6:58 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:20 pm EST.

Sunshine

In Chichester, the average sunshine in December is 4.7h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Chichester in December?

The high-temperature, in December, in Chichester, records 33.8°F (1°C), while the low-temperature is 23.4°F (-4.8°C).

What is the average humidity in December in Chichester?

The average relative humidity in December is 81%.

How many days does it rain in December in Chichester?

In Chichester, New Hampshire, in December, during 8.7 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

How much does it snow in Chichester in December?

In Chichester, New Hampshire, during December, snow falls for 8.7 days and regularly aggregates up to 6.42" (163mm) of snow.

What is the month with the shortest days in Chichester?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

What is the average length of the day in December in Chichester?

In December, the average day length in Chichester, New Hampshire, is 9h and 2min.

When are sunrise and sunset in December in Chichester?

On the first day of December in Chichester, sunrise is at 6:58 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:20 pm EST.

How long on average sun shines in December in Chichester?

In December, the average sunshine duration in Chichester is 4.7h.

When is the lowest UV index in Chichester?

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

What is the UV index intensity in December in Chichester?

In Chichester, New Hampshire, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chichester, NH

Average temperature in December - Chichester, NH
  • Average high temperature in December: 33.8°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: 23.4°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in December
Chichester, NH

Average pressure in December - Chichester, 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
Chichester, NH

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

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Chichester, NH

Average humidity in December - Chichester, NH
  • Average humidity in December: 81%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is April (74%).

Average rainfall in December
Chichester, NH

Average rainfall in December - Chichester, NH
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in December
Chichester, NH

Average rainfall days in December - Chichester, NH
  • Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in December
Chichester, NH

Average snowfall in December - Chichester, NH
  • Average snowfall in December: 6.42"

The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Chichester, NH

Average snowfall days in December - Chichester, NH
  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Chichester, NH
  • Average daylight in December: 9h and 0min

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 0min).

  • 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 36min).

Average sunshine days in December
Chichester, NH

Average sunshine days in December - Chichester, NH
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is March (13.1 days).

Average UV index in December
Chichester, NH

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

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

Average cloud cover in December
Chichester, NH

Average cloud cover in December - Chichester, 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 33).

Average visibility in December
Chichester, NH

Average visibility in December - Chichester, 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).

Chichester, New Hampshire, USA

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