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 start of December comes with a reduction in the average high-temperature, receding from a cool 52.9°F (11.6°C) in November to a chilly 43.3°F (6.3°C). Throughout the month of December, Jasper observes an average nighttime temperature of 31.5°F (-0.3°C).Humidity
The average relative humidity in December is 80%.Rainfall
In Jasper, Indiana, in December, during 10.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Jasper, during the entire year, the rain falls for 166.2 days and collects up to 39.17" (995mm) of precipitation.Snowfall
January through April, September through December are months with snowfall in Jasper. In Jasper, during December, snow falls for 5.2 days and regularly aggregates up to 1.42" (36mm) of snow. Throughout the year, in Jasper, there are 25.4 snowfall days, and 7.8" (198mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Jasper, Indiana.On the first day of December in Jasper, sunrise is at 7:46 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:37 pm EST.
Sunshine
With an average of 4.4h of sunshine, December has the least sunshine of the year in Jasper.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Jasper during December?
What is the average humidity in December in Jasper?
How many days does it rain in December in Jasper?
How many days does it snow in December in Jasper?
What is the month with the shortest days in Jasper?
What is the average length of the day in December in Jasper?
When is the sunrise / sunset in December in Jasper?
What is the month with the least sunshine in Jasper?
How long on average sun shines in December in Jasper?
When is the lowest UV index in Jasper?
What is the UV index reading in December in Jasper?
Average temperature in December
Jasper, IN
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Jasper, 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
Jasper, IN
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Jasper, IN
- Average humidity in December: 80%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Jasper, IN
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is April (4.84").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Jasper, IN
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in December
Jasper, IN
- Average snowfall in December: 1.42"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Jasper, IN
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Jasper, IN
- Average daylight in December: 9h and 3min
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 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Jasper, IN
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in December
Jasper, 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
Jasper, 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 29).
Average visibility in December
Jasper, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).
Jasper, Indiana, USA
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