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
Iona, Minnesota, sees a considerable decrease in average high-temperatures during December, falling from a cold 41.4°F (5.2°C) in November to a freezing cold 25.5°F (-3.6°C). An average low-temperature of 14.5°F (-9.7°C) is noted during the nights in December.Humidity
The average relative humidity in December in Iona is 85%.Rainfall
In Iona, in December, it is raining for 4.5 days, with typically 1.34" (34mm) of accumulated precipitation. In Iona, during the entire year, the rain falls for 113.2 days and collects up to 22.2" (564mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Iona, in December, during 12.2 snowfall days, 5.2" (132mm) of snow is typically accumulated. In Iona, during the entire year, snow falls for 56.8 days and aggregates up to 26.69" (678mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:38 am and sunset at 4:46 pm. On the last day of December, in Iona, sunrise is at 7:57 am and sunset at 4:55 pm CST.
Sunshine
In December, the average sunshine is 3.9h.UV index
In Iona, Minnesota, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Iona in December?
What is the average humidity in December in Iona?
How much does it rain in Iona in December?
How much does it snow in Iona in December?
What is the month with the shortest days in Iona?
How many hours of daylight does Iona have in December?
When is the sunrise / sunset in December in Iona?
How many hours of sunshine does Iona have in December?
How high is the UV index in December in Iona?
Average temperature in December
Iona, MN
- Average high temperature in December: 25.5°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 (20.8°F).
- Average low temperature in December: 14.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in December
Iona, MN
- 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 (29.87"Hg).
Average wind speed in December
Iona, MN
- Average wind speed in December: 10.8mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
Iona, MN
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Iona, MN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Iona, MN
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Iona, MN
- Average snowfall in December: 5.2"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Iona, MN
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is December (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Iona, MN
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Iona, MN
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in December
Iona, MN
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Iona, MN
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in December
Iona, MN
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Iona, Minnesota, USA
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