December weather forecastWestphalia, IN
December
Weather in December
The first month of the winter, December, is also a wintry month in Westphalia, Indiana, with an average temperature ranging between min 30.7°F (-0.7°C) and max 41.9°F (5.5°C).Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's cool 51.6°F (10.9°C) to a wintry 41.9°F (5.5°C). Westphalia observes an average nighttime temperature of 30.7°F (-0.7°C) during December.Humidity
The average relative humidity in December is 79%.Rainfall
In Westphalia, during December, the rain falls for 6.6 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 108.2 rainfall days, and 10.28" (261mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Westphalia, in December, during 3.1 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Westphalia, during the entire year, snow falls for 15.3 days and aggregates up to 1.77" (45mm) 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 December, sunrise is at 7:49 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:37 pm EST.
Sunshine
December has the least sunshine of the year in Westphalia, Indiana, with an average of 4.5h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Westphalia, IN
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Westphalia, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Westphalia, IN
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Westphalia, IN
- Average humidity in December: 79%
The months with the highest relative humidity are May and July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Westphalia, IN
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is April (1.22").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
Westphalia, IN
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Westphalia, IN
- Average snowfall in December: 0.39"
The month with the highest snowfall is March (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Westphalia, IN
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Westphalia, IN
- Average daylight in December: 9h and 30min
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 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in December
Westphalia, IN
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in December
Westphalia, IN
- Average UV index in December: 2
The months with the highest UV index are 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
Westphalia, IN
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Westphalia, 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).





