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
The arrival of December indicates a decrease in the average high-temperature, moving from a fresh 50.5°F (10.3°C) in November to a cold 41.2°F (5.1°C). Throughout the December nights, Upton encounters a low-temperature of 28.9°F (-1.7°C).Humidity
The months with the highest humidity are February, May, October and December, with an average relative humidity of 79%.Rainfall
In Upton, in December, during 10.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Upton, during the entire year, the rain falls for 161.8 days and collects up to 28.07" (713mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Upton. In December, it is snowing for 4.7 days. Throughout December, 2.13" (54mm) of snow is accumulated. Throughout the year, there are 26.6 snowfall days, and 14.69" (373mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:13 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:56 pm EST.
Sunshine
In December, the average sunshine in Upton is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold does it get in Upton in December?
What is the most humid month in Upton?
What is the average humidity in December in Upton?
How many days does it rain in December in Upton?
How much does it snow in Upton in December?
What is the month with the shortest days in Upton?
How many hours of daylight does Upton have in December?
What time are sunrise and sunset in December in Upton?
How many hours of sunshine does Upton have in December?
What is the month with the lowest UV index in Upton?
How high is the UV index in December in Upton?
Average temperature in December
Upton, PA
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Upton, 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
Upton, PA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Upton, PA
- Average humidity in December: 79%
The months with the highest relative humidity are February, May, October and December (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in December
Upton, PA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Upton, PA
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Upton, PA
- Average snowfall in December: 2.13"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Upton, PA
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Upton, 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: 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
Upton, PA
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Upton, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Upton, PA
- Average cloud cover in December: 50
The months with the most cloud cover are January, February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Upton, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Upton, Pennsylvania, USA
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