Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With December's onset, the average high-temperature recedes from November's chilly 44.1°F (6.7°C) to an icy 34.7°F (1.5°C). An average temperature of 24.4°F (-4.2°C) marks the nights in December.Humidity
In December, the average relative humidity is 85%.Rainfall
In December, the rain falls for 7.2 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In Gurnee, during the entire year, the rain falls for 125.8 days and collects up to 15.71" (399mm) of precipitation.Snowfall
Months with snowfall in Gurnee, Pennsylvania, are January through May, October through December. In Gurnee, Pennsylvania, in December, snow falls for 7.5 days, with typically accumulated 2.13" (54mm) of snow. Throughout the year, in Gurnee, Pennsylvania, there are 43.8 snowfall days, and 13.39" (340mm) of snow is accumulated.Daylight
The month with the shortest days in Gurnee is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:49 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.1h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Gurnee. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is it in Gurnee in December?
What is the average humidity in December in Gurnee?
How much does it rain in Gurnee in December?
How many days does it snow in December in Gurnee?
What is the month with the shortest days in Gurnee?
How many hours of daylight does Gurnee have in December?
When are sunrise and sunset in December in Gurnee?
What are the months with the least sunshine in Gurnee?
How long on average sun shines in December in Gurnee?
When is the lowest UV index in Gurnee?
What is the UV index intensity in December in Gurnee?
Average temperature in December
Gurnee, PA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 24.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Gurnee, 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
Gurnee, PA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Gurnee, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
Gurnee, PA
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is April (1.69").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Gurnee, PA
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Gurnee, PA
- Average snowfall in December: 2.13"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gurnee, PA
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gurnee, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in December
Gurnee, PA
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in December
Gurnee, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Gurnee, PA
- Average cloud cover in December: 69
The months with the most cloud cover are January, February and December (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Gurnee, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is September (4mi).
Gurnee, Pennsylvania, USA
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