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
Cheswick in December demonstrates a small temperature transition, adjusting from an average high of a chilly 48.4°F (9.1°C) in November to a wintry 38.7°F (3.7°C). Throughout December, the average low-temperature in Cheswick, Pennsylvania, dips to a subzero cold 27.5°F (-2.5°C).Humidity
The average relative humidity in December in Cheswick is 84%.Rainfall
In December, in Cheswick, Pennsylvania, the rain falls for 13.7 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. In Cheswick, during the entire year, the rain falls for 185.5 days and collects up to 35.59" (904mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Cheswick, it is snowing for 13.5 days. Throughout December, 4.72" (120mm) of snow is accumulated. In Cheswick, during the entire year, snow falls for 63.1 days and aggregates up to 25.12" (638mm) of snow.Daylight
December has the shortest days of the year in Cheswick, Pennsylvania, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:02 pm EST.
Sunshine
In Cheswick, the average sunshine in December is 3.1h.UV index
The month with the lowest UV index in Cheswick, Pennsylvania, is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold is December in Cheswick?
What is the average humidity in December in Cheswick?
How many days does it rain in December in Cheswick?
How many days does it snow in December in Cheswick?
What is the month with the shortest days in Cheswick?
What is the average length of the day in December in Cheswick?
When is the sunrise / sunset in December in Cheswick?
How long on average sun shines in December in Cheswick?
When is the lowest UV index in Cheswick?
What is the UV index intensity in December in Cheswick?
Average temperature in December
Cheswick, PA
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Cheswick, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Cheswick, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Cheswick, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in December
Cheswick, PA
- Average rainfall in December: 2.99"
The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in December
Cheswick, PA
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (11.1 days).
Average snowfall in December
Cheswick, PA
- Average snowfall in December: 4.72"
The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cheswick, PA
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cheswick, 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 18min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Cheswick, PA
- Average sunshine days in December: 9 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index in December
Cheswick, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Cheswick, PA
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Cheswick, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and August (6mi).
The months with the lowest visibility are January and February (4mi).
Cheswick, Pennsylvania, USA
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