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
December's arrival is marked by a significant decrease in the average high-temperature, moving from a frosty 47.5°F (8.6°C) in November to an icy 32.9°F (0.5°C). In December, Magnolia's temperature tends to fall to an average low of 21.4°F (-5.9°C) during the night.Humidity
In Magnolia, Iowa, the average relative humidity in December is 79%.Rainfall
In Magnolia, in December, during 4.5 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Magnolia, during the entire year, the rain falls for 123.1 days and collects up to 23.39" (594mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Magnolia, it is snowing for 6.8 days. Throughout December, 2.36" (60mm) of snow is accumulated. In Magnolia, Iowa, during the entire year, snow falls for 32.8 days and aggregates up to 13.23" (336mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:31 am and sunset at 4:53 pm. On the last day of December, in Magnolia, sunrise is at 7:50 am and sunset at 5:03 pm CST.
Sunshine
In December, the average sunshine in Magnolia is 4.9h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. 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 precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is December in Magnolia?
What is the average humidity in December in Magnolia?
How many days does it rain in December in Magnolia?
How many days does it snow in December in Magnolia?
What is the month with the shortest days in Magnolia?
How many hours of daylight does Magnolia have in December?
When are sunrise and sunset in December in Magnolia?
How many hours of sunshine does Magnolia have in December?
What are the months with the lowest UV index in Magnolia?
How high is the UV index in December in Magnolia?
Average temperature in December
Magnolia, IA
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Magnolia, IA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Magnolia, IA
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Magnolia, IA
- Average humidity in December: 79%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Magnolia, IA
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Magnolia, IA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in December
Magnolia, IA
- Average snowfall in December: 2.36"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Magnolia, IA
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Magnolia, IA
- Average daylight in December: 9h and 1min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Magnolia, IA
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in December
Magnolia, 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
Magnolia, IA
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Magnolia, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Magnolia, Iowa, USA
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