December weather forecast and climate
Tilton, NH

Weather in December

December, the first month of the winter, in Tilton, is also a wintry month, with average temperature fluctuating between 32.4°F (0.2°C) and 21.7°F (-5.7°C).

Temperature

In December, the average high-temperature decreases, from a frosty 43.5°F (6.4°C) in November, to a wintry 32.4°F (0.2°C). In Tilton, in December, the average low-temperature is 21.7°F (-5.7°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In Tilton, during December, the rain falls for 9.5 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, in Tilton, New Hampshire, there are 139.8 rainfall days, and 28.19" (716mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Tilton, New Hampshire, are January through May, October through December. In Tilton, during December, snow falls for 8.9 days and regularly aggregates up to 6.54" (166mm) of snow. Throughout the year, there are 50.4 snowfall days, and 32.8" (833mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h of daylight.

Sunshine

In December, the average sunshine is 4.5h.

UV index

The average daily maximum UV index in Tilton, New Hampshire, is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 2 in December transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Tilton?

The average relative humidity in December is 81%.

How many days does it rain in December in Tilton?

In Tilton, New Hampshire, in December, during 9.5 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

How much does it snow in Tilton in December?

In December, in Tilton, it is snowing for 8.9 days. Throughout December, 6.54" (166mm) of snow is accumulated.

What is the month with the shortest days in Tilton?

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

How many hours of daylight does Tilton have in December?

The average length of the day in December in Tilton is 9h.

How many hours of sunshine does Tilton have in December?

In Tilton, the average sunshine in December is 4.5h.

What is the UV index intensity in December in Tilton?

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

Average temperature in December
Tilton, NH

Average temperature in December - Tilton, NH
  • Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in December: 21.7°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 (13.6°F).

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Average pressure in December
Tilton, NH

Average pressure in December - Tilton, NH
  • Average pressure in December: 30.04"

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

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Average wind speed in December
Tilton, NH

Average wind speed in December - Tilton, NH
  • Average wind speed in December: 6.8mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Tilton, NH

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

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

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Average rainfall in December
Tilton, NH

Average rainfall in December - Tilton, NH
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in December
Tilton, NH

Average rainfall days in December - Tilton, NH
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (6.6 days).

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Average snowfall in December
Tilton, NH

Average snowfall in December - Tilton, NH
  • Average snowfall in December: 6.54"

The month with the highest snowfall is February (8.78").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Tilton, NH

Average snowfall days in December - Tilton, NH
  • Average snowfall days in December: 8.9 days

The month with the highest number of snowfall days is January (11.4 days).
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
Tilton, NH

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

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in December: 4.5h

The month with the most sunshine is August (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.2h).

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Average sunshine days in December
Tilton, NH

Average sunshine days in December - Tilton, NH
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is March (12.5 days).

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Average UV index in December
Tilton, NH

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in December
Tilton, NH

Average cloud cover in December - Tilton, NH
  • Average cloud cover in December: 52

Months with the most cloud cover are February and March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in December
Tilton, NH

Average visibility in December - Tilton, NH
  • Average visibility in December: 5mi

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

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