December weather forecastBagley, IA
December
Weather in December
The first month of the winter, December, is also an icy month in Bagley, Iowa, with an average temperature ranging between max 32.9°F (0.5°C) and min 21.4°F (-5.9°C).Temperature
The onset of December comes with a shift in the average high-temperature, falling from a frosty 46.2°F (7.9°C) in November to a cold 32.9°F (0.5°C). Bagley experiences a nighttime temperature average of 21.4°F (-5.9°C) during December.Humidity
The average relative humidity in December is 79%.Rainfall
In Bagley, during December, the rain falls for 5.2 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Bagley, during the entire year, the rain falls for 137.1 days and collects up to 28.62" (727mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Bagley, during December, snow falls for 8.3 days and regularly aggregates up to 2.8" (71mm) of snow. Throughout the year, there are 38.4 snowfall days, and 16.38" (416mm) of snow is accumulated.Daylight
December has the shortest days of the year in Bagley, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:56 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bagley, IA
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 21.4°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 (14.4°F).
Average pressure in December
Bagley, IA
- Average pressure in December: 30.12"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
Bagley, IA
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Bagley, 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 (70%).
Average rainfall in December
Bagley, IA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (4.41").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Bagley, IA
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Bagley, IA
- Average snowfall in December: 2.8"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bagley, IA
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bagley, IA
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Bagley, IA
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in December
Bagley, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Bagley, 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 29).
Average visibility in December
Bagley, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).





