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
As Grover Hill enters December, the average high-temperature decreases from the a chilly 47.3°F (8.5°C) of November to a cold 36.5°F (2.5°C). Grover Hill observes an average nighttime temperature of 27.1°F (-2.7°C) during December.Humidity
In Grover Hill, the average relative humidity in December is 83%.Rainfall
In Grover Hill, in December, it is raining for 10.6 days, with typically 1.81" (46mm) of accumulated precipitation. In Grover Hill, during the entire year, the rain falls for 167.3 days and collects up to 28.9" (734mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12 days. Throughout December, 2.72" (69mm) of snow is accumulated. Throughout the year, there are 53.3 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:44 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:19 pm EST.
Sunshine
The average sunshine in December in Grover Hill is 3.8h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 1 during December translates into the following guidance:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Grover Hill?
What is the average humidity in December in Grover Hill?
How much does it rain in Grover Hill in December?
How much does it snow in Grover Hill in December?
What is the month with the shortest days in Grover Hill?
How many hours of daylight does Grover Hill have in December?
When is the sunrise / sunset in December in Grover Hill?
How long on average sun shines in December in Grover Hill?
When is the lowest UV index in Grover Hill?
What is the UV index reading in December in Grover Hill?
Average temperature in December
Grover Hill, OH
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Grover Hill, OH
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Grover Hill, OH
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Grover Hill, OH
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Grover Hill, OH
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Grover Hill, OH
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in December
Grover Hill, OH
- Average snowfall in December: 2.72"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Grover Hill, OH
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grover Hill, OH
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Grover Hill, OH
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Grover Hill, OH
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Grover Hill, OH
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Grover Hill, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Grover Hill, Ohio, USA
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