December weather forecastIola, WI
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Iola, Wisconsin, with an average temperature varying between 27.5°F (-2.5°C) and 18.1°F (-7.7°C).Temperature
In Iola, the beginning of December is marked by a lowered average high-temperature, shifting from November's cold 40.6°F (4.8°C) to a freezing cold 27.5°F (-2.5°C). Iola experiences an average nighttime temperature of 18.1°F (-7.7°C) in the month of December.Humidity
In December, the average relative humidity is 86%.Rainfall
In Iola, during December, the rain falls for 5.4 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Iola, during the entire year, the rain falls for 125.2 days and collects up to 23.54" (598mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Iola, Wisconsin, in December, snow falls for 12 days, with typically accumulated 4.69" (119mm) of snow. Throughout the year, in Iola, Wisconsin, there are 56.3 snowfall days, and 21.38" (543mm) of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:13 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:26 pm CST.
Sunshine
The average sunshine in December in Iola is 3.7h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Iola, WI
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Iola, WI
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Iola, WI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Iola, WI
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Iola, WI
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Iola, WI
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in December
Iola, WI
- Average snowfall in December: 4.69"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Iola, WI
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Iola, WI
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Iola, WI
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Iola, WI
- 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
Iola, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Iola, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, October and November (6mi).
The months with the lowest visibility are January, February, July, September and December (5mi).
