December weather forecastExira, IA
December
Weather in December
The first month of the winter, December, is also a wintry month in Exira, Iowa, with an average temperature fluctuating between 20.8°F (-6.2°C) and 32.4°F (0.2°C).Temperature
Exira experiences a temperature shift at the start of December, with average high-temperatures adjusting from a chilly 45.9°F (7.7°C) in November to an icy 32.4°F (0.2°C). During the nights in December, an average low-temperature of 20.8°F (-6.2°C) is observed.Humidity
In Exira, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 5 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 127.8 rainfall days, and 24.88" (632mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Exira, in December, during 8.2 snowfall days, 2.4" (61mm) of snow is typically accumulated. In Exira, during the entire year, snow falls for 38 days and aggregates up to 12.72" (323mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:59 pm CST.
Sunshine
The average sunshine in December in Exira is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. On your guard! Snow's reflection can almost 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
Exira, IA
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in December
Exira, IA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Exira, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in December
Exira, IA
- Average humidity in December: 79%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Exira, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Exira, IA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Exira, IA
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Exira, IA
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Exira, IA
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Exira, IA
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Exira, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Exira, IA
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Exira, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
