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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a fresh 52.3°F (11.3°C) in November to a chilly 43°F (6.1°C). An average nighttime temperature of 30.7°F (-0.7°C) is recorded in Sumner during December.Humidity
In Sumner, the average relative humidity in December is 81%.Rainfall
In Sumner, in December, during 12.9 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Sumner, during the entire year, the rain falls for 172.1 days and collects up to 33.03" (839mm) of precipitation.Snowfall
Months with snowfall in Sumner are January through April, October through December. In Sumner, in December, snow falls for 8.5 days, with typically accumulated 2.28" (58mm) of snow. In Sumner, during the entire year, snow falls for 40.2 days and aggregates up to 13.62" (346mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 5:05 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:15 pm EST.
Sunshine
In Sumner, the average sunshine in December is 3.9h.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 health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
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 Sumner have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Sumner have in December?
What are the months with the lowest UV index?
What is the UV index reading in December in Sumner?
Average temperature in December
Sumner, OH
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in December
Sumner, OH
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Sumner, OH
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Sumner, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Sumner, OH
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Sumner, OH
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in December
Sumner, OH
- Average snowfall in December: 2.28"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sumner, OH
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sumner, 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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Sumner, OH
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in December
Sumner, OH
- Average UV index in December: 2
The months with the highest UV index are May, 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
Sumner, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Sumner, OH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Sumner, Ohio, USA
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