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 results in a decrease in the average high-temperature, receding from a fresh 53.6°F (12°C) in November to a chilly 44.6°F (7°C). The nights of December anticipate an average low-temperature of 32.9°F (0.5°C).Humidity
In Evanston, the average relative humidity in December is 79%.Rainfall
In Evanston, in December, during 9.5 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, in Evanston, there are 133.4 rainfall days, and 17.99" (457mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Evanston, during December, snow falls for 3.6 days and regularly aggregates up to 0.47" (12mm) of snow. Throughout the year, there are 20.2 snowfall days, and 4.02" (102mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:45 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:03 am and sunset at 4:38 pm CST.
Sunshine
In December, the average sunshine is 4.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Evanston, Indiana. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
Is December cold in Evanston?
What is the average humidity in December in Evanston?
How much does it rain in Evanston in December?
How many days does it snow in December in Evanston?
What is the month with the shortest days in Evanston?
How many hours of daylight does Evanston have in December?
When is the sunrise / sunset in December in Evanston?
How many hours of sunshine does Evanston have in December?
What are the months with the lowest UV index in Evanston?
What is the UV index intensity in December in Evanston?
Average temperature in December
Evanston, IN
- Average high temperature in December: 44.6°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 (39.7°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in December
Evanston, IN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Evanston, IN
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January, February and April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in December
Evanston, IN
- Average humidity in December: 79%
The months with the highest relative humidity are February and May (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Evanston, IN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is April (2.13").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in December
Evanston, IN
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is October (8.4 days).
Average snowfall in December
Evanston, IN
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Evanston, IN
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is February (6.1 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
Evanston, IN
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in December
Evanston, IN
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in December
Evanston, IN
- 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 and December (UV index 2).
Average cloud cover in December
Evanston, IN
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Evanston, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Evanston, Indiana, USA
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