December weather forecast
Lyme Center, NH

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Weather in December

December, the first month of the winter in Lyme Center, is also a subzero cold month, with an average temperature ranging between max 30°F (-1.1°C) and min 20.3°F (-6.5°C).

Temperature

The beginning of December involves a decrease in the average high-temperature, transitioning from a cold 41.4°F (5.2°C) in November to a subzero cold 30°F (-1.1°C). Lyme Center's average low-temperature in December is measured at 20.3°F (-6.5°C).

Humidity

In Lyme Center, the average relative humidity in December is 83%.

Rainfall

In Lyme Center, during December, the rain falls for 10.6 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Lyme Center, during the entire year, the rain falls for 158.3 days and collects up to 28.78" (731mm) of precipitation.

Snowfall

Months with snowfall in Lyme Center are January through May, October through December. In Lyme Center, in December, during 13.9 snowfall days, 7.2" (183mm) of snow is typically accumulated. In Lyme Center, during the entire year, snow falls for 77.6 days and aggregates up to 45.12" (1146mm) of snow.

Daylight

The month with the shortest days in Lyme Center is December, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:21 pm EST.

Sunshine

The average sunshine in December is 3.9h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 1 in December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

How cold is December in Lyme Center?

The average high-temperature and low-temperature during December are 30°F (-1.1°C) and 20.3°F (-6.5°C) respectively.

What is the average humidity in December in Lyme Center?

The average relative humidity in December in Lyme Center, New Hampshire, is 83%.

How many days does it rain in December in Lyme Center?

In Lyme Center, New Hampshire, in December, during 10.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

How many days does it snow in December in Lyme Center?

In December, in Lyme Center, New Hampshire, it is snowing for 13.9 days. Throughout December, 7.2" (183mm) of snow is accumulated.

What is the month with the shortest days in Lyme Center?

The month with the shortest days in Lyme Center is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December in Lyme Center?

The average day length in December in Lyme Center is 8h and 59min.

When are sunrise and sunset in December in Lyme Center?

On the first day of December, sunrise is at 7:03 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:21 pm EST.

How many hours of sunshine does Lyme Center have in December?

In December, the average sunshine duration in Lyme Center, New Hampshire, is 3.9h.

What is the month with the lowest UV index in Lyme Center?

With an average maximum UV index of 1, December is the month with the lowest UV index in Lyme Center.

How high is the UV index in December in Lyme Center?

In December, the average daily maximum UV index in Lyme Center, New Hampshire, is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Lyme Center, NH

Average temperature in December - Lyme Center, NH
  • Average high temperature in December: 30°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in December: 20.3°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

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Average pressure in December
Lyme Center, NH

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

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Lyme Center, NH

Average wind speed in December - Lyme Center, NH
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Lyme Center, NH

Average humidity in December - Lyme Center, NH
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).

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Average rainfall in December
Lyme Center, NH

Average rainfall in December - Lyme Center, NH
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is October (3.11").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Lyme Center, NH

Average rainfall days in December - Lyme Center, NH
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in December
Lyme Center, NH

Average snowfall in December - Lyme Center, NH
  • Average snowfall in December: 7.2"

The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Lyme Center, NH

Average snowfall days in December - Lyme Center, NH
  • Average snowfall days in December: 13.9 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Lyme Center, NH

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

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Average sunshine days in December
Lyme Center, NH

Average sunshine days in December - Lyme Center, NH
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in December
Lyme Center, NH

Average UV index in December - Lyme Center, NH
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Lyme Center, NH

Average cloud cover in December - Lyme Center, NH
  • Average cloud cover in December: 61

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in December
Lyme Center, NH

Average visibility in December - Lyme Center, NH
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).

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Lyme Center, New Hampshire, USA

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