December weather forecastFayette, IA
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Fayette, Iowa, with an average temperature varying between 19.4°F (-7°C) and 30°F (-1.1°C).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 43.3°F (6.3°C) to a freezing cold 30°F (-1.1°C). Fayette's temperature drops to an average low of 19.4°F (-7°C) during the nights of December.Humidity
The average relative humidity in December is 84%.Rainfall
In Fayette, in December, during 6.3 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 140.2 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Fayette, Iowa. In Fayette, during December, snow falls for 9.3 days and regularly aggregates up to 3.74" (95mm) of snow. In Fayette, during the entire year, snow falls for 47.1 days and aggregates up to 19.96" (507mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:43 pm CST.
Sunshine
The average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fayette, IA
- Average high temperature in December: 30°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in December
Fayette, IA
- 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 (29.89"Hg).
Average wind speed in December
Fayette, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Fayette, IA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Fayette, IA
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is June (4.45").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Fayette, IA
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Fayette, IA
- Average snowfall in December: 3.74"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Fayette, IA
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fayette, IA
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Fayette, IA
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in December
Fayette, IA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Fayette, IA
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Fayette, IA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
