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
A shift in the average high-temperature occurs in December, reducing from an icy 36.1°F (2.3°C) in November to a subzero cold 23.5°F (-4.7°C). The temperature in Isabella during December nights demonstrates a small drop from the daytime highs, settling to an average of 15.1°F (-9.4°C).Humidity
In Isabella, the average relative humidity in December is 88%.Rainfall
In December, the rain falls for 5.7 days. Throughout December, 1.54" (39mm) of precipitation is accumulated. In Isabella, during the entire year, the rain falls for 130 days and collects up to 22.13" (562mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Isabella. The month with the most snowfall is December, when snow falls for 17.1 days and typically aggregates up to 6.3" (160mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:33 am and sunset at 4:15 pm. On the last day of December, sunrise is at 7:53 am and sunset at 4:23 pm CST.
Sunshine
In Isabella, the average sunshine in December is 3.3h.UV index
The months with the lowest UV index in Isabella, Minnesota, are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 1 in December translates 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. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
How cold is it in Isabella in December?
What is the average humidity in December in Isabella?
How many days does it rain in December in Isabella?
When does it snow the most in Isabella?
How many days does it snow in December in Isabella?
What is the month with the shortest days in Isabella?
How many hours of daylight does Isabella have in December?
What time are sunrise and sunset in December in Isabella?
How long on average sun shines in December in Isabella?
What are the months with the lowest UV index in Isabella?
What is the UV index intensity in December in Isabella?
Average temperature in December
Isabella, MN
- Average high temperature in December: 23.5°F
The warmest month (with the highest average high temperature) is August (70°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in December
Isabella, MN
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Isabella, MN
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Isabella, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Isabella, MN
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Isabella, MN
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Isabella, MN
- Average snowfall in December: 6.3"
The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Isabella, MN
- Average snowfall days in December: 17.1 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Isabella, MN
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Isabella, MN
- Average sunshine days in December: 12 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is December (12 days).
Average UV index in December
Isabella, MN
- Average UV index in December: 1
The months with the highest UV index are 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
Isabella, MN
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Isabella, MN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
Isabella, Minnesota, USA
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