Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
During the coldest month, January, temperatures average a high of 22.3°F (-5.4°C) and a low of 9.7°F (-12.4°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 89%.Rainfall
The month with the least rainfall in Fort Atkinson, Iowa, is January, when the rain falls for 4.5 days and typically collects 1.1" (28mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Fort Atkinson, in January, snow falls for 14.3 days, with typically accumulated 5.63" (143mm) of snow. In Fort Atkinson, Iowa, during the entire year, snow falls for 60.9 days and aggregates up to 24.37" (619mm) of snow.Daylight
The average length of the day in January in Fort Atkinson is 9h and 26min.On the first day of the month, sunrise is at 7:39 am and sunset at 4:42 pm. On the last day of January, in Fort Atkinson, Iowa, sunrise is at 7:24 am and sunset at 5:18 pm CST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year in Fort Atkinson, Iowa.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Fort Atkinson. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 1 during January translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What part of the year is the coldest in Fort Atkinson?
How cold is it in Fort Atkinson in January?
What are the most humid months in Fort Atkinson?
What is the average humidity in January in Fort Atkinson?
What is the driest month in Fort Atkinson?
How many days does it rain in January in Fort Atkinson?
How many days does it snow in January in Fort Atkinson?
How many hours of daylight does Fort Atkinson have in January?
What time are sunrise and sunset in January in Fort Atkinson?
What is the month with the least sunshine in Fort Atkinson?
How long on average sun shines in January in Fort Atkinson?
What is the month with the lowest UV index in Fort Atkinson?
What is the UV index reading in January in Fort Atkinson?
Average temperature in January
Fort Atkinson, IA
- Average high temperature in January: 22.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in January: 9.7°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in January
Fort Atkinson, IA
- Average pressure in January: 30.13"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Fort Atkinson, IA
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Fort Atkinson, IA
- Average humidity in January: 89%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is October (76%).
Average rainfall in January
Fort Atkinson, IA
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is June (5.04").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Fort Atkinson, IA
- Average rainfall days in January: 4.5 days
The months with the highest number of rainy days are May and June (20.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in January
Fort Atkinson, IA
- Average snowfall in January: 5.63"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Fort Atkinson, IA
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Fort Atkinson, IA
- Average daylight in January: 9h and 2min
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 6min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Fort Atkinson, IA
- Average sunshine days in January: 14 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.1 days).
Average UV index in January
Fort Atkinson, IA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Fort Atkinson, IA
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Fort Atkinson, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Fort Atkinson, Iowa, USA
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