January weather forecastWilton, IA
January
Weather in January
January, the same as December, in Wilton, Iowa, is a freezing cold winter month, with an average temperature varying between 27.7°F (-2.4°C) and 15.3°F (-9.3°C).Temperature
January brings the lowest temperatures, with an average high of 27.7°F (-2.4°C) and an average low of 15.3°F (-9.3°C).Humidity
In Wilton, the average relative humidity in January is 83%.Rainfall
In Wilton, Iowa, during January, the rain falls for 4.4 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 136.1 rainfall days, and 27.8" (706mm) of precipitation is accumulated.Snowfall
Months with snowfall in Wilton are January through April, October through December. January is the month with the most snowfall in Wilton. Snow falls for 11.2 days and accumulates 4.21" (107mm) of snow.Daylight
The average length of the day in January in Wilton is 9h and 34min.On the first day of the month, sunrise is at 7:30 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:16 am and sunset at 5:17 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Wilton. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 1 during January, leads to the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Wilton, IA
- Average high temperature in January: 27.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in January: 15.3°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in January
Wilton, IA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Wilton, IA
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Wilton, IA
- Average humidity in January: 83%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Wilton, IA
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in January
Wilton, IA
- Average rainfall days in January: 4.4 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in January
Wilton, IA
- Average snowfall in January: 4.21"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Wilton, IA
- Average snowfall days in January: 11.2 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Wilton, IA
- Average daylight in January: 9h and 36min
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 12min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Wilton, IA
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in January
Wilton, IA
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Wilton, IA
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Wilton, IA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
