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 entails a temperature shift, as the average high-temperature decreases from a fresh 52.3°F (11.3°C) in November to a chilly 43°F (6.1°C). Throughout December, the temperature tends to fall to a consistent average low of 31.3°F (-0.4°C).Humidity
The months with the highest humidity in South Webster are February and December, with an average relative humidity of 81%.Rainfall
In South Webster, Ohio, during December, the rain falls for 11.8 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, in South Webster, there are 166.6 rainfall days, and 32.2" (818mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In South Webster, Ohio, during December, snow falls for 5.2 days and regularly aggregates up to 1.77" (45mm) of snow. Throughout the year, in South Webster, there are 27.7 snowfall days, and 9.13" (232mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:19 pm EST.
Sunshine
In December, the average sunshine is 4.2h.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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in South Webster?
What are the most humid months in South Webster?
What is the average humidity in December in South Webster?
How much does it rain in South Webster in December?
How much does it snow in South Webster in December?
What is the month with the shortest days in South Webster?
How many hours of daylight does South Webster have in December?
What time are sunrise and sunset in December in South Webster?
How many hours of sunshine does South Webster have in December?
What are the months with the lowest UV index in South Webster?
How high is the UV index in December in South Webster?
Average temperature in December
South Webster, OH
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
South Webster, 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 (29.96"Hg).
Average wind speed in December
South Webster, OH
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
South Webster, OH
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
South Webster, OH
- Average rainfall in December: 2.99"
The wettest months (with the highest rainfall) are April and May (3.39").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
South Webster, OH
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in December
South Webster, OH
- Average snowfall in December: 1.77"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
South Webster, OH
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (8.6 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
South Webster, OH
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
South Webster, OH
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
South Webster, 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
South Webster, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
South Webster, 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).
South Webster, Ohio, USA
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