December weather forecastWestville, IN
December
Weather in December
December, the first month of the winter in Westville, is also a wintry month, with an average temperature varying between 27.5°F (-2.5°C) and 36.1°F (2.3°C).Temperature
December's arrival correlates with a reduction in the average high-temperature, down from a chilly 47.1°F (8.4°C) in November to an icy 36.1°F (2.3°C). In December, a low-temperature average of 27.5°F (-2.5°C) is characteristic of Westville, marking a minor shift from daytime temperatures.Humidity
In Westville, the average relative humidity in December is 81%.Rainfall
In December, in Westville, Indiana, the rain falls for 5.1 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. Throughout the year, there are 121.4 rainfall days, and 14.69" (373mm) of precipitation is accumulated.Snowfall
Months with snowfall in Westville are January through April, November and December. In December, it is snowing for 6.7 days. Throughout December, 0.98" (25mm) of snow is accumulated. In Westville, during the entire year, snow falls for 33.7 days and aggregates up to 5.47" (139mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December in Westville, sunrise is at 6:55 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:27 pm CST.
Sunshine
In December, the average sunshine is 3.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Westville, IN
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in December: 27.5°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 (19.4°F).
Average pressure in December
Westville, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Westville, IN
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Westville, IN
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Westville, IN
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in December
Westville, IN
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is July (15.3 days).
The months with the least rainy days are January and February (3.9 days).
Average snowfall in December
Westville, IN
- Average snowfall in December: 0.98"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Westville, IN
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (9.2 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, IN
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Westville, IN
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Westville, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Westville, IN
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Westville, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
