December weather forecastRolling Prairie, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Rolling Prairie, Indiana, with an average temperature varying between 35.8°F (2.1°C) and 27.1°F (-2.7°C).Temperature
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a frosty 46.6°F (8.1°C) in November to a wintry 35.8°F (2.1°C). Rolling Prairie, during December nights, observes a steady temperature, averaging at a freezing cold 27.1°F (-2.7°C).Humidity
In December, the average relative humidity is 82%.Rainfall
December is the month with the least rainfall in Rolling Prairie, Indiana. Rain falls for 9.5 days and accumulates 1.22" (31mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Rolling Prairie, in December, snow falls for 11.6 days, with typically accumulated 2.09" (53mm) of snow. In Rolling Prairie, during the entire year, snow falls for 52 days and aggregates up to 12.68" (322mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Rolling Prairie, sunrise is at 6:54 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:26 pm CST.
Sunshine
In Rolling Prairie, the average sunshine in December is 3.7h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Rolling Prairie. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 1 transforms into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rolling Prairie, IN
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in December: 27.1°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 (19.6°F).
Average pressure in December
Rolling Prairie, IN
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Rolling Prairie, IN
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Rolling Prairie, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Rolling Prairie, IN
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is December (1.22").
Average rainfall days in December
Rolling Prairie, IN
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (17.6 days).
The months with the least rainy days are January and February (7.3 days).
Average snowfall in December
Rolling Prairie, IN
- Average snowfall in December: 2.09"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rolling Prairie, IN
- Average snowfall days in December: 11.6 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rolling Prairie, IN
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Rolling Prairie, IN
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Rolling Prairie, IN
- Average UV index in December: 1
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Rolling Prairie, IN
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
Rolling Prairie, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





