Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Stepping into December, Galt observes a temperature decline, with the average high falling from November's frosty 43.7°F (6.5°C) to a subzero cold 29.5°F (-1.4°C). Galt observes an average nighttime temperature of 18.7°F (-7.4°C) during December.Humidity
The average relative humidity in December is 84%.Rainfall
In Galt, during December, the rain falls for 5.5 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Galt, during the entire year, the rain falls for 131.8 days and collects up to 25.31" (643mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Galt, during December, snow falls for 10.7 days and regularly aggregates up to 2.91" (74mm) of snow. Throughout the year, there are 46.6 snowfall days, and 18.11" (460mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:25 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:44 am and sunset at 4:50 pm CST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January through March, October through 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 low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in Galt in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Galt have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Galt have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Galt, IA
- Average high temperature in December: 29.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in December: 18.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).
Average pressure in December
Galt, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Galt, IA
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Galt, IA
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Galt, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
Galt, IA
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Galt, IA
- Average snowfall in December: 2.91"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Galt, IA
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Galt, IA
- Average daylight in December: 9h and 1min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Galt, IA
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in December
Galt, 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, March, October, November and December (UV index 2).
Average cloud cover in December
Galt, IA
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Galt, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Galt, Iowa, USA
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