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 signals a shift in temperature, down from a cool 51.4°F (10.8°C) in November to an icy 41.9°F (5.5°C). During December, an average low-temperature of 30.9°F (-0.6°C) is observed.Humidity
In December, the average relative humidity is 81%.Rainfall
In Sinking Spring, during December, the rain falls for 11.8 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Sinking Spring, Ohio, during the entire year, the rain falls for 167.9 days and collects up to 30" (762mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Sinking Spring, during December, snow falls for 8.4 days and regularly aggregates up to 1.97" (50mm) of snow. Throughout the year, there are 35.9 snowfall days, and 10.91" (277mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:34 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:21 pm EST.
Sunshine
In December, the average sunshine is 4h.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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Sinking Spring have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Sinking Spring, OH
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in December
Sinking Spring, OH
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Sinking Spring, OH
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Sinking Spring, OH
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, September, October and November (76%).
Average rainfall in December
Sinking Spring, OH
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Sinking Spring, OH
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Sinking Spring, OH
- Average snowfall in December: 1.97"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sinking Spring, OH
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (11 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
Sinking Spring, OH
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Sinking Spring, OH
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in December
Sinking Spring, OH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sinking Spring, OH
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Sinking Spring, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July, August and September (5mi).
Sinking Spring, Ohio, USA
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