December weather forecastIpava, IL
December
Weather in December
The first month of the winter, December, is still a cold month in Ipava, Illinois, with an average temperature varying between 26.4°F (-3.1°C) and 37°F (2.8°C).Temperature
In Ipava, entering December brings a temperature decrement, reducing from November's frosty 49.1°F (9.5°C) to an icy 37°F (2.8°C). Throughout the month of December, the nighttime temperature dips to an average of 26.4°F (-3.1°C).Humidity
The average relative humidity in December in Ipava is 79%.Rainfall
The month with the least rainfall in Ipava is December, when the rain falls for 6.5 days and typically collects 0.94" (24mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Ipava, in December, during 5 snowfall days, 1.1" (28mm) of snow is typically accumulated. In Ipava, during the entire year, snow falls for 27.4 days and aggregates up to 9.21" (234mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December in Ipava, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:45 pm CST.
Sunshine
In Ipava, the average sunshine in December is 4.5h.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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ipava, IL
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Ipava, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Ipava, IL
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Ipava, IL
- Average humidity in December: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Ipava, IL
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days in December
Ipava, IL
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in December
Ipava, IL
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Ipava, IL
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (9.4 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
Ipava, IL
- Average daylight in December: 9h and 24min
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 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Ipava, IL
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in December
Ipava, IL
- 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
Ipava, IL
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Ipava, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
