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 onset of December brings a small change in high-temperatures, falling from a chilly 44.1°F (6.7°C) in November to an icy 34.7°F (1.5°C). In December, Sugar Grove records an average nighttime temperature of 25.2°F (-3.8°C).Humidity
In Sugar Grove, the average relative humidity in December is 88%.Rainfall
In December, the rain falls for 10.2 days. Throughout December, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in Sugar Grove, Pennsylvania, there are 162.1 rainfall days, and 21.81" (554mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 18.1 days and accumulates 6.77" (172mm) 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 the month, sunrise is at 7:26 am and sunset at 4:46 pm. On the last day of December, in Sugar Grove, sunrise is at 7:45 am and sunset at 4:56 pm EST.
Sunshine
In December, the average sunshine in Sugar Grove is 2.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Sugar Grove in December?
What is the average humidity in December in Sugar Grove?
How much does it rain in Sugar Grove in December?
When does it snow the most in Sugar Grove?
How many days does it snow in December in Sugar Grove?
What is the month with the shortest days in Sugar Grove?
How many hours of daylight does Sugar Grove have in December?
When is the sunrise / sunset in December in Sugar Grove?
How long on average sun shines in December in Sugar Grove?
When is the lowest UV index in Sugar Grove?
What is the UV index intensity in December in Sugar Grove?
Average temperature in December
Sugar Grove, PA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in December
Sugar Grove, 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 (29.94"Hg).
Average wind speed in December
Sugar Grove, PA
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Sugar Grove, PA
- Average humidity in December: 88%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (80%).
Average rainfall in December
Sugar Grove, PA
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is March (1.42").
Average rainfall days in December
Sugar Grove, PA
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Sugar Grove, PA
- Average snowfall in December: 6.77"
The month with the highest snowfall is December (6.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sugar Grove, PA
- Average snowfall days in December: 18.1 days
The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sugar Grove, 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: 2h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in December
Sugar Grove, PA
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is September (12.9 days).
The month with the least sunshine days is January (5.1 days).
Average UV index in December
Sugar Grove, 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
Sugar Grove, PA
- Average cloud cover in December: 77
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Sugar Grove, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, September, October and November (5mi).
The months with the lowest visibility are January, February, August and December (4mi).
Sugar Grove, Pennsylvania, USA
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