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 arrival of December corresponds with a shift in temperature, down from a chilly 47.1°F (8.4°C) in November to a wintry 36.1°F (2.3°C). During December, Ijamsville's temperature averages to a subzero cold 26.4°F (-3.1°C) at night.Humidity
In Ijamsville, Indiana, the average relative humidity in December is 83%.Rainfall
December is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.87" (22mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 6.7 days. Throughout December, 1.02" (26mm) of snow is accumulated. Throughout the year, there are 31.7 snowfall days, and 7.13" (181mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:49 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:25 pm EST.
Sunshine
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. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ijamsville, IN
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Ijamsville, IN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Ijamsville, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Ijamsville, IN
- Average humidity in December: 83%
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
Ijamsville, IN
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in December
Ijamsville, IN
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Ijamsville, IN
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Ijamsville, IN
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ijamsville, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Ijamsville, IN
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Ijamsville, 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
Ijamsville, IN
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Ijamsville, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Ijamsville, Indiana, USA
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