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
The arrival of December brings a significant change in Doon's weather, with average high-temperatures dropping from November's frosty 43.7°F (6.5°C) to a subzero cold 28°F (-2.2°C). In Doon, the December nights cool down to an average low of 16.7°F (-8.5°C).Humidity
The average relative humidity in December is 84%.Rainfall
In December, the rain falls for 4.9 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. In Doon, during the entire year, the rain falls for 130 days and collects up to 24.09" (612mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Doon, during December, snow falls for 11 days and regularly aggregates up to 3.54" (90mm) of snow. In Doon, during the entire year, snow falls for 49.2 days and aggregates up to 19.41" (493mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Doon.On the first day of the month, sunrise is at 7:38 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:57 am and sunset at 4:59 pm CST.
Sunshine
In Doon, the average sunshine in December is 4.5h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Doon. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Opt for tightly woven and loose clothing to enhance protection from the Sun. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
How cold is December in Doon?
What is the average humidity in December in Doon?
How much does it rain in Doon in December?
How many days does it snow in December in Doon?
What is the month with the shortest days in Doon?
What is the average length of the day in December in Doon?
What time are sunrise and sunset in December in Doon?
How long on average sun shines in December in Doon?
What are the months with the lowest UV index in Doon?
What is the UV index intensity in December in Doon?
Average temperature in December
Doon, IA
- Average high temperature in December: 28°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in December: 16.7°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Doon, 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
Doon, IA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Doon, IA
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Doon, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Doon, IA
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Doon, IA
- Average snowfall in December: 3.54"
The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Doon, IA
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Doon, IA
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 3min
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 6min).
Average sunshine days in December
Doon, IA
- Average sunshine days in December: 18 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Doon, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Doon, IA
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Doon, 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).
Doon, Iowa, USA
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