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
In December, the average high-temperature decreases from a chilly 43.7°F (6.5°C) in November to a freezing cold 31.1°F (-0.5°C). Earlville experiences a mean low-temperature of 20.5°F (-6.4°C) during December.Humidity
In December, the average relative humidity in Earlville is 83%.Rainfall
December is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.47" (12mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Earlville, in December, during 8.8 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, in Earlville, there are 39.4 snowfall days, and 6.81" (173mm) of snow is accumulated.Daylight
December has the shortest days of the year in Earlville, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:15 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:42 pm CST.
Sunshine
The average sunshine in December in Earlville is 4h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Earlville. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Earlville?
What is the average humidity in December in Earlville?
What is the driest month in Earlville?
How much does it rain in Earlville in December?
How much does it snow in Earlville in December?
What is the month with the shortest days in Earlville?
What is the average length of the day in December in Earlville?
What time are sunrise and sunset in December in Earlville?
How long on average sun shines in December in Earlville?
What are the months with the lowest UV index in Earlville?
What is the UV index intensity in December in Earlville?
Average temperature in December
Earlville, IA
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 20.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in December
Earlville, IA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Earlville, IA
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Earlville, IA
- Average humidity in December: 83%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in December
Earlville, IA
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in December
Earlville, IA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in December
Earlville, IA
- Average snowfall in December: 0.94"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Earlville, IA
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (10.8 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
Earlville, IA
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Earlville, IA
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in December
Earlville, IA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Earlville, IA
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in December
Earlville, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Earlville, Iowa, USA
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