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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a moderate 56.5°F (13.6°C) in November to a frosty 47.3°F (8.5°C). During December nights, Isabella records an average temperature of 32.2°F (0.1°C).Humidity
In Isabella, Missouri, the average relative humidity in December is 76%.Rainfall
In Isabella, during December, the rain falls for 7.8 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Isabella, during the entire year, the rain falls for 136.4 days and collects up to 30.98" (787mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Isabella, in December, during 1.9 snowfall days, 1.1" (28mm) of snow is typically accumulated. Throughout the year, in Isabella, there are 12.7 snowfall days, and 5.35" (136mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:04 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:05 pm CST.
Sunshine
In Isabella, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are December temperatures in Isabella?
What is the average humidity in December in Isabella?
How many days does it rain in December in Isabella?
How much does it snow in Isabella in December?
What is the month with the shortest days in Isabella?
How many hours of daylight does Isabella have in December?
When is the sunrise / sunset in December in Isabella?
How long on average sun shines in December in Isabella?
When is the lowest UV index in Isabella?
What is the UV index intensity in December in Isabella?
Average temperature in December
Isabella, MO
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in December
Isabella, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Isabella, MO
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are January, February, March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Isabella, MO
- Average humidity in December: 76%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in December
Isabella, MO
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Isabella, MO
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Isabella, MO
- Average snowfall in December: 1.1"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Isabella, MO
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Isabella, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).
Average sunshine days in December
Isabella, MO
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in December
Isabella, MO
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Isabella, MO
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in December
Isabella, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, October, November and December (6mi).
The months with the lowest visibility are April, May, June, July, August and September (5mi).
Isabella, Missouri, USA
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