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 average high-temperature drops in December, from November's frosty 47.5°F (8.6°C) to a cold 36.3°F (2.4°C). During the month of December, Lehigh experiences a steady low-temperature average of 26.1°F (-3.3°C).Humidity
In Lehigh, the average relative humidity in December is 81%.Rainfall
In Lehigh, during December, the rain falls for 7.3 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 142.1 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Lehigh, in December, during 8.5 snowfall days, 1.54" (39mm) of snow is typically accumulated. In Lehigh, during the entire year, snow falls for 39 days and aggregates up to 9.02" (229mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Lehigh.On the first day of the month, sunrise is at 6:58 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:33 pm CST.
Sunshine
In Lehigh, the average sunshine in December is 4.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Lehigh. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is December in Lehigh?
What is the average humidity in December in Lehigh?
How much does it rain in Lehigh in December?
How much does it snow in Lehigh in December?
What is the month with the shortest days in Lehigh?
How many hours of daylight does Lehigh have in December?
What time are sunrise and sunset in December in Lehigh?
How many hours of sunshine does Lehigh have in December?
What are the months with the lowest UV index in Lehigh?
What is the UV index intensity in December in Lehigh?
Average temperature in December
Lehigh, IL
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 26.1°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 (18.3°F).
Average pressure in December
Lehigh, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Lehigh, IL
- Average wind speed in December: 9.6mph
The windiest months (with the highest average wind speed) are January and April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Lehigh, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Lehigh, IL
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Lehigh, IL
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Lehigh, IL
- Average snowfall in December: 1.54"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lehigh, IL
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (11.7 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
Lehigh, IL
- 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: 4h and 2min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Lehigh, IL
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Lehigh, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Lehigh, IL
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in December
Lehigh, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Lehigh, Illinois, USA
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