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
Onset of December witnesses a reduction in the average high-temperature, falling from a chilly 45.3°F (7.4°C) in November to an icy 35.6°F (2°C). In Guys Mills, the nighttime temperature averages to a subzero cold 26.4°F (-3.1°C) during December.Humidity
In December, the average relative humidity in Guys Mills is 87%.Rainfall
In Guys Mills, in December, during 10.9 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, in Guys Mills, there are 177.7 rainfall days, and 36.85" (936mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Guys Mills. December is the month with the most snowfall. Snow falls for 18.3 days and accumulates 10.87" (276mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Guys Mills, sunrise is at 7:27 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:59 pm EST.
Sunshine
In December, the average sunshine in Guys Mills, Pennsylvania, is 2.4h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold is December in Guys Mills?
What is the average humidity in December in Guys Mills?
How much does it rain in Guys Mills in December?
What is the snowiest month in Guys Mills?
How many days does it snow in December in Guys Mills?
What is the month with the shortest days in Guys Mills?
How many hours of daylight does Guys Mills have in December?
What time are sunrise and sunset in December in Guys Mills?
How many hours of sunshine does Guys Mills have in December?
What are the months with the lowest UV index in Guys Mills?
What is the UV index reading in December in Guys Mills?
Average temperature in December
Guys Mills, PA
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Guys Mills, PA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Guys Mills, PA
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Guys Mills, PA
- Average humidity in December: 87%
The month with the highest relative humidity is February (90%).
The months with the lowest relative humidity are April and May (80%).
Average rainfall in December
Guys Mills, PA
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in December
Guys Mills, PA
- Average rainfall days in December: 10.9 days
The months with the highest number of rainy days are June and July (18.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Guys Mills, PA
- Average snowfall in December: 10.87"
The month with the highest snowfall is December (10.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Guys Mills, PA
- Average snowfall days in December: 18.3 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Guys Mills, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in December
Guys Mills, PA
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is September (11.6 days).
The month with the least sunshine days is January (5.1 days).
Average UV index in December
Guys Mills, 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 February and December (UV index 1).
Average cloud cover in December
Guys Mills, PA
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Guys Mills, PA
- Average visibility in December: 4mi
The months with the highest visibility are April and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Guys Mills, Pennsylvania, USA
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