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
Observing a mild shift, the average high-temperature during December reduces from November's chilly 48.4°F (9.1°C) to an icy 37.9°F (3.3°C). Westville, in December, experiences an average temperature of 28°F (-2.2°C) at night.Humidity
The average relative humidity in December is 83%.Rainfall
In Westville, in December, during 12.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Westville, during the entire year, the rain falls for 177.4 days and collects up to 32.95" (837mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Westville, during December, snow falls for 9.9 days and regularly aggregates up to 2.83" (72mm) of snow. Throughout the year, in Westville, there are 44.6 snowfall days, and 14.57" (370mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:38 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:19 pm EST.
Sunshine
In Westville, the average sunshine in December is 3.9h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Caution! The reflection of snow 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 it cold during December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Westville have in December?
When is the lowest UV index in Westville?
What is the UV index reading in December?
Average temperature in December
Westville, OH
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Westville, OH
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Westville, OH
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Westville, OH
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Westville, OH
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Westville, OH
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in December
Westville, OH
- Average snowfall in December: 2.83"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Westville, OH
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Westville, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Westville, OH
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (8 days).
Average UV index in December
Westville, OH
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Westville, OH
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Westville, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Westville, Ohio, USA
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