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 indicates a shift in the average high-temperature, from November's frosty 47.1°F (8.4°C) to an icy 33.8°F (1°C). In December, Fontanelle's temperature tends to fall to an average low of 22.1°F (-5.5°C) during the night.Humidity
In December, the average relative humidity is 79%.Rainfall
In Fontanelle, during December, the rain falls for 5.5 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 138.2 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Fontanelle, in December, snow falls for 7.5 days, with typically accumulated 2.72" (69mm) of snow. In Fontanelle, during the entire year, snow falls for 35.5 days and aggregates up to 15.71" (399mm) of snow.Daylight
The month with the shortest days in Fontanelle is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:25 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:59 pm CST.
Sunshine
In December, the average sunshine in Fontanelle, Iowa, is 4.9h.UV index
In Fontanelle, Iowa, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Fontanelle in December?
What is the average humidity in December in Fontanelle?
How many days does it rain in December in Fontanelle?
How much does it snow in Fontanelle in December?
What is the month with the shortest days in Fontanelle?
What is the average length of the day in December in Fontanelle?
When is the sunrise / sunset in December in Fontanelle?
How long on average sun shines in December in Fontanelle?
What is the UV index reading in December in Fontanelle?
Average temperature in December
Fontanelle, IA
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in December
Fontanelle, 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 (29.88"Hg).
Average wind speed in December
Fontanelle, IA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Fontanelle, IA
- Average humidity in December: 79%
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Fontanelle, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Fontanelle, IA
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in December
Fontanelle, IA
- Average snowfall in December: 2.72"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Fontanelle, IA
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fontanelle, IA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h 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: 4h and 24min).
Average sunshine days in December
Fontanelle, IA
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in December
Fontanelle, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Fontanelle, IA
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Fontanelle, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Fontanelle, Iowa, USA
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