December weather forecastSherrill, IA
December
Weather in December
December, the first month of the winter in Sherrill, is still a freezing cold month, with temperature in the range of an average low of 20.8°F (-6.2°C) and an average high of 31.1°F (-0.5°C).Temperature
Sherrill's transition into December involves a shift in temperature, receding from a chilly 43.7°F (6.5°C) in November to a freezing cold 31.1°F (-0.5°C). Sherrill experiences a mean low-temperature of 20.8°F (-6.2°C) during December.Humidity
In Sherrill, the average relative humidity in December is 83%.Rainfall
In Sherrill, during December, the rain falls for 6.5 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Sherrill, during the entire year, the rain falls for 139.8 days and collects up to 24.88" (632mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Sherrill, Iowa, in December, snow falls for 11.3 days, with typically accumulated 2.95" (75mm) of snow. Throughout the year, there are 52.2 snowfall days, and 16.14" (410mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:39 pm CST.
Sunshine
In Sherrill, 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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, an average UV index of 1 transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sherrill, IA
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 20.8°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 (12°F).
Average pressure in December
Sherrill, 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
Sherrill, IA
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Sherrill, IA
- Average humidity in December: 83%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Sherrill, IA
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (1.02").
Average rainfall days in December
Sherrill, IA
- Average rainfall days in December: 6.5 days
The months with the highest number of rainy days are May and June (18.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Sherrill, IA
- Average snowfall in December: 2.95"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sherrill, IA
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sherrill, 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 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Sherrill, IA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Sherrill, 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
Sherrill, IA
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Sherrill, 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).
