January weather forecastAlta Vista, IA
January
Weather in January
January, the same as December, in Alta Vista, Iowa, is a freezing cold winter month, with an average temperature ranging between min 10.6°F (-11.9°C) and max 22.5°F (-5.3°C).Temperature
In Alta Vista, the month of January registers the lowest temperatures, averaging 22.5°F (-5.3°C) at the peak and 10.6°F (-11.9°C) at the lowest.Humidity
The most humid month is January, with an average relative humidity of 89%.Rainfall
January is the month with the least rainfall in Alta Vista, Iowa. Rain falls for 2.8 days and accumulates 0.31" (8mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Alta Vista, Iowa. In Alta Vista, in January, snow falls for 9.1 days, with typically accumulated 1.5" (38mm) of snow. In Alta Vista, Iowa, during the entire year, snow falls for 36.8 days and aggregates up to 6.22" (158mm) of snow.Daylight
The average length of the day in January is 9h and 25min.On the first day of January, sunrise is at 7:41 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:19 pm CST.
Sunshine
The month with the least sunshine in Alta Vista is January, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 1 in January translates into these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Alta Vista, IA
- Average high temperature in January: 22.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in January: 10.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in January
Alta Vista, 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 (29.89"Hg).
Average wind speed in January
Alta Vista, IA
- Average wind speed in January: 10.6mph
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 (7.2mph).
Average humidity in January
Alta Vista, IA
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Alta Vista, IA
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in January
Alta Vista, IA
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (2 days).
Average snowfall in January
Alta Vista, IA
- Average snowfall in January: 1.5"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Alta Vista, IA
- Average snowfall days in January: 9.1 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Alta Vista, IA
- Average daylight in January: 9h and 24min
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 January: 3h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Alta Vista, IA
- Average sunshine days in January: 21.7 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in January
Alta Vista, IA
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Alta Vista, IA
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Alta Vista, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).





