December weather forecast
New Geneva, PA

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Weather in December

The first month of the winter, December, is also an icy month in New Geneva, Pennsylvania, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 29.1°F (-1.6°C).

Temperature

New Geneva's December weather shows a moderate shift in high-temperatures, falling from November's chilly 49.8°F (9.9°C) to an icy 40.1°F (4.5°C). The month of December records an average low-temperature of 29.1°F (-1.6°C).

Humidity

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

Rainfall

In New Geneva, during December, the rain falls for 9.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. In New Geneva, during the entire year, the rain falls for 143.4 days and collects up to 13.19" (335mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In New Geneva, in December, snow falls for 11.4 days, with typically accumulated 2.44" (62mm) of snow. In New Geneva, during the entire year, snow falls for 56 days and aggregates up to 11.54" (293mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:05 pm EST.

Sunshine

In New Geneva, the average sunshine in December is 3.8h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 1 in December transforms into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

Is it cold during December?

December temperatures vary between a high-temperature of 40.1°F (4.5°C) and a low-temperature of 29.1°F (-1.6°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in December?

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

How much does it rain in December?

In New Geneva, during December, the rain falls for 9.1 days and regularly aggregates up to 1.1" (28mm) of precipitation.

How much does it snow in December?

In New Geneva, during December, snow falls for 11.4 days and regularly aggregates up to 2.44" (62mm) 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 New Geneva have in December?

In December, the average day length is 9h and 25min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:05 pm EST.

How long on average sun shines in December in New Geneva?

The average sunshine duration in December is 3.8h.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

What is the UV index intensity in December?

The average daily maximum UV index in December in New Geneva is 1. A UV Index reading of 2, and below, represents a low health threat 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
New Geneva, PA

Average temperature in December - New Geneva, PA
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in December
New Geneva, PA

Average pressure in December - New Geneva, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
New Geneva, PA

Average wind speed in December - New Geneva, PA
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
New Geneva, PA

Average humidity in December - New Geneva, PA
  • Average humidity in December: 83%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (77%).

Average rainfall in December
New Geneva, PA

Average rainfall in December - New Geneva, PA
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is September (0.67").

Average rainfall days in December
New Geneva, PA

Average rainfall days in December - New Geneva, PA
  • Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in December
New Geneva, PA

Average snowfall in December - New Geneva, PA
  • Average snowfall in December: 2.44"

The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
New Geneva, PA

Average snowfall days in December - New Geneva, PA
  • Average snowfall days in December: 11.4 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
New Geneva, PA

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • 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 January (Average sunshine: 3h and 6min).

Average sunshine days in December
New Geneva, PA

Average sunshine days in December - New Geneva, PA
  • Average sunshine days in December: 13.2 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is January (9.1 days).

Average UV index in December
New Geneva, PA

Average UV index in December - New Geneva, PA
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
New Geneva, PA

Average cloud cover in December - New Geneva, PA
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
New Geneva, PA

Average visibility in December - New Geneva, PA
  • Average visibility in December: 5mi

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

New Geneva, Pennsylvania, USA

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