December weather forecast
Gilbertsville, PA

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Weather in December

The first month of the winter, December, is still a cold month in Gilbertsville, Pennsylvania, with an average temperature fluctuating between 41.5°F (5.3°C) and 30.4°F (-0.9°C).

Temperature

Gilbertsville's progression into December involves a drop in the average high-temperature, receding from a fresh 50.9°F (10.5°C) in November to a wintry 41.5°F (5.3°C). Throughout December, the temperature falls to an average low of 30.4°F (-0.9°C).

Humidity

The average relative humidity in December is 80%.

Rainfall

In Gilbertsville, in December, it is raining for 8 days, with typically 1.34" (34mm) of accumulated precipitation. In Gilbertsville, during the entire year, the rain falls for 128.6 days and collects up to 15.16" (385mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In December, it is snowing for 2 days. Throughout December, 1.34" (34mm) of snow is accumulated. In Gilbertsville, during the entire year, snow falls for 17 days and aggregates up to 5.43" (138mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:46 pm EST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

How cold does it get in December?

The average high-temperature, in December, in Gilbertsville, is 41.5°F (5.3°C), while the average low-temperature is 30.4°F (-0.9°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the average humidity in December?

In Gilbertsville, the average relative humidity in December is 80%.

How much does it rain in December?

In December, in Gilbertsville, the rain falls for 8 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

How much does it snow in December?

In Gilbertsville, during December, snow falls for 2 days and regularly aggregates up to 1.34" (34mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Gilbertsville have in December?

The average day length in December is 9h and 21min.

When are sunrise and sunset in December in Gilbertsville?

On the first day of December, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:46 pm EST.

How many hours of sunshine does Gilbertsville have in December?

The average sunshine duration in December is 4.8h.

What is the month with the lowest UV index?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in December?

In Gilbertsville, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from 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
Gilbertsville, PA

Average temperature in December - Gilbertsville, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in December
Gilbertsville, PA

Average pressure in December - Gilbertsville, 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).

Average wind speed in December
Gilbertsville, PA

Average wind speed in December - Gilbertsville, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Gilbertsville, PA

Average humidity in December - Gilbertsville, PA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in December
Gilbertsville, PA

Average rainfall in December - Gilbertsville, PA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in December
Gilbertsville, PA

Average rainfall days in December - Gilbertsville, PA
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in December
Gilbertsville, PA

Average snowfall in December - Gilbertsville, PA
  • Average snowfall in December: 1.34"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Gilbertsville, PA

Average snowfall days in December - Gilbertsville, PA
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Gilbertsville, PA

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

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

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Gilbertsville, PA

Average sunshine days in December - Gilbertsville, PA
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Gilbertsville, PA

Average UV index in December - Gilbertsville, PA
  • Average UV index in December: 2

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

Average cloud cover in December
Gilbertsville, PA

Average cloud cover in December - Gilbertsville, PA
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Gilbertsville, PA

Average visibility in December - Gilbertsville, PA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Gilbertsville, Pennsylvania, USA

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