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 in Fort Madison, Iowa, suggests a modest reduction in the average high-temperature, shifting from a chilly 48.7°F (9.3°C) in November to an icy 36.5°F (2.5°C). Throughout December, Fort Madison encounters an average temperature drop to a subzero cold 25.2°F (-3.8°C).Humidity
The average relative humidity in December is 79%.Rainfall
The months with the least rainfall are January and December Rain falls for 4.7 days and accumulates 0.47" (12mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In Fort Madison, in December, snow falls for 4.4 days, with typically accumulated 0.43" (11mm) of snow. In Fort Madison, during the entire year, snow falls for 24.5 days and aggregates up to 4.25" (108mm) of snow.Daylight
The month with the shortest days in Fort Madison is December, with an average of 9h and 18min of daylight.On the first day of December in Fort Madison, sunrise is at 7:10 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:48 pm CST.
Sunshine
The average sunshine in December in Fort Madison is 4.7h.UV index
The months with the lowest UV index in Fort Madison are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
How cold is it in Fort Madison in December?
What is the average humidity in December in Fort Madison?
What is the driest month in Fort Madison?
How much does it rain in Fort Madison in December?
How much does it snow in Fort Madison in December?
What is the month with the shortest days in Fort Madison?
What is the average length of the day in December in Fort Madison?
When are sunrise and sunset in December in Fort Madison?
How long on average sun shines in December in Fort Madison?
When is the lowest UV index in Fort Madison?
What is the UV index intensity in December in Fort Madison?
Average temperature in December
Fort Madison, IA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Fort Madison, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Fort Madison, IA
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in December
Fort Madison, IA
- Average humidity in December: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Fort Madison, IA
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January and December (0.47").
Average rainfall days in December
Fort Madison, IA
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Fort Madison, IA
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Fort Madison, IA
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (7.7 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
Fort Madison, IA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Fort Madison, IA
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (14 days).
Average UV index in December
Fort Madison, 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, November and December (UV index 2).
Average cloud cover in December
Fort Madison, IA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 28).
Average visibility in December
Fort Madison, 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).
Fort Madison, Iowa, USA
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