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
In Jolietville, entering December brings a temperature decrement, reducing from November's frosty 48.4°F (9.1°C) to a cold 37.6°F (3.1°C). Throughout the month of December, Jolietville expects an average low of 27.3°F (-2.6°C).Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In December, in Jolietville, the rain falls for 10.9 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. In Jolietville, during the entire year, the rain falls for 171 days and collects up to 34.21" (869mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Jolietville, Indiana, during December, snow falls for 8.5 days and regularly aggregates up to 3.43" (87mm) of snow. Throughout the year, there are 40.4 snowfall days, and 15.63" (397mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Jolietville, Indiana.On the first day of December in Jolietville, sunrise is at 7:48 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:29 pm EST.
Sunshine
In Jolietville, the average sunshine in December is 4.2h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold does it get in Jolietville in December?
What is the most humid month in Jolietville?
What is the average humidity in December in Jolietville?
How much does it rain in Jolietville in December?
How much does it snow in Jolietville in December?
What is the month with the shortest days in Jolietville?
How many hours of daylight does Jolietville have in December?
What time are sunrise and sunset in December in Jolietville?
How many hours of sunshine does Jolietville have in December?
When is the lowest UV index in Jolietville?
What is the UV index intensity in December in Jolietville?
Average temperature in December
Jolietville, IN
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Jolietville, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Jolietville, IN
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Jolietville, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Jolietville, IN
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Jolietville, IN
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Jolietville, IN
- Average snowfall in December: 3.43"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Jolietville, IN
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jolietville, IN
- 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: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Jolietville, IN
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in December
Jolietville, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Jolietville, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Jolietville, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Jolietville, Indiana, USA
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