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
December ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 44.1°F (6.7°C) to an icy 34.7°F (1.5°C). Gaines experiences an average nighttime temperature of 24.4°F (-4.2°C) in the month of December.Humidity
In Gaines, the average relative humidity in December is 85%.Rainfall
In Gaines, Pennsylvania, during December, the rain falls for 7.2 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 125.8 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Gaines, Pennsylvania, during December, snow falls for 7.5 days and regularly aggregates up to 2.13" (54mm) of snow. Throughout the year, in Gaines, there are 43.8 snowfall days, and 13.39" (340mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 4:40 pm. On the last day of December, in Gaines, Pennsylvania, sunrise is at 7:37 am and sunset at 4:49 pm EST.
Sunshine
The months with the least sunshine in Gaines 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. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 1 in December translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is December in Gaines?
What is the average humidity in December in Gaines?
How many days does it rain in December in Gaines?
How much does it snow in Gaines in December?
What is the month with the shortest days in Gaines?
How many hours of daylight does Gaines have in December?
What time are sunrise and sunset in December in Gaines?
What is the month with the least sunshine in Gaines?
How long on average sun shines in December in Gaines?
What are the months with the lowest UV index in Gaines?
How high is the UV index in December in Gaines?
Average temperature in December
Gaines, 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
Gaines, 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
Gaines, 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
Gaines, 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
Gaines, 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
Gaines, 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
Gaines, 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
Gaines, 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
Gaines, 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
Gaines, 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
Gaines, 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
Gaines, 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
Gaines, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is September (4mi).
Gaines, Pennsylvania, USA
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