December weather forecast
Gilbert, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Gilbert, Pennsylvania, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 37°F (2.8°C).

Temperature

In Gilbert, the beginning of December is marked by a lowered average high-temperature, shifting from November's frosty 46.6°F (8.1°C) to an icy 37°F (2.8°C). In the month of December, an average of 26.2°F (-3.2°C) marks the low-temperature in Gilbert.

Humidity

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

Rainfall

In Gilbert, during December, the rain falls for 8.3 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Gilbert, during the entire year, the rain falls for 143 days and collects up to 25.91" (658mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Gilbert. In Gilbert, in December, during 5.1 snowfall days, 2.72" (69mm) of snow is typically accumulated. Throughout the year, there are 31.9 snowfall days, and 16.1" (409mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:07 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:43 pm EST.

Sunshine

The average sunshine in December is 4.1h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 1 suggests these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

How cold is it in Gilbert in December?

In Gilbert, 37°F (2.8°C) is the average high-temperature and 26.2°F (-3.2°C) is the average low-temperature during December. In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in December in Gilbert?

In December, the average relative humidity in Gilbert, Pennsylvania, is 83%.

How much does it rain in Gilbert in December?

In Gilbert, in December, during 8.3 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

How much does it snow in Gilbert in December?

In Gilbert, Pennsylvania, in December, during 5.1 snowfall days, 2.72" (69mm) of snow is typically accumulated.

What is the month with the shortest days in Gilbert?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

How many hours of daylight does Gilbert have in December?

The average day length in December in Gilbert is 9h and 17min.

What time are sunrise and sunset in December in Gilbert?

On the first day of December in Gilbert, Pennsylvania, sunrise is at 7:07 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:43 pm EST.

How long on average sun shines in December in Gilbert?

In Gilbert, the average sunshine duration in December is 4.1h.

When is the lowest UV index in Gilbert?

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

What is the UV index intensity in December in Gilbert?

In December, the average daily maximum UV index in Gilbert, Pennsylvania, is 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
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
Gilbert, PA

Average temperature in December - Gilbert, PA
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in December
Gilbert, PA

Average pressure in December - Gilbert, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Gilbert, PA

Average wind speed in December - Gilbert, PA
  • Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Gilbert, PA

Average humidity in December - Gilbert, PA
  • Average humidity in December: 83%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).

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Average rainfall in December
Gilbert, PA

Average rainfall in December - Gilbert, PA
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in December
Gilbert, PA

Average rainfall days in December - Gilbert, PA
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Gilbert, PA

Average snowfall in December - Gilbert, PA
  • Average snowfall in December: 2.72"

The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Gilbert, PA

Average snowfall days in December - Gilbert, PA
  • Average snowfall days in December: 5.1 days

The month with the highest number of snowfall days is February (8.3 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
Gilbert, PA

Average daylight in December / Average sunshine in December - Gilbert, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

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Average sunshine days in December
Gilbert, PA

Average sunshine days in December - Gilbert, PA
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).

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Average UV index in December
Gilbert, PA

Average UV index in December - Gilbert, PA
  • 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
Gilbert, PA

Average cloud cover in December - Gilbert, PA
  • Average cloud cover in December: 57

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in December
Gilbert, PA

Average visibility in December - Gilbert, PA
  • Average visibility in December: 5mi

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

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Gilbert, Pennsylvania, USA

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