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
January, characterized by an average high temperature of 25.5°F (-3.6°C) and a low temperature of 13.5°F (-10.3°C), is generally the coldest month.Humidity
With an average relative humidity of 86%, January is the most humid month in Viola, Iowa.Rainfall
In Viola, during January, the rain falls for 4.1 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Viola, Iowa, during the entire year, the rain falls for 137.5 days and collects up to 27.68" (703mm) of precipitation.Snowfall
Months with snowfall in Viola, Iowa, are January through April, October through December. The month with the most snowfall in Viola is January, when snow falls for 11.3 days and typically aggregates up to 5.16" (131mm) of snow.Daylight
In Viola, the average length of the day in January is 9h and 32min.On the first day of January in Viola, sunrise is at 7:33 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:18 pm CST.
Sunshine
January has the least sunshine of the year in Viola, with an average of 3.8h of sunshine.UV index
The average daily maximum UV index in January in Viola is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Viola?
How cold is it in Viola in January?
What is the most humid month in Viola?
What is the average humidity in January in Viola?
How much does it rain in Viola in January?
What is the snowiest month in Viola?
How much does it snow in Viola in January?
What is the average length of the day in January in Viola?
When is the sunrise / sunset in January in Viola?
What is the month with the least sunshine in Viola?
How long on average sun shines in January in Viola?
What is the UV index reading in January in Viola?
Average temperature in January
Viola, IA
- Average high temperature in January: 25.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in January: 13.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in January
Viola, IA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Viola, IA
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in January
Viola, IA
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Viola, IA
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in January
Viola, IA
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in January
Viola, IA
- Average snowfall in January: 5.16"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Viola, IA
- Average snowfall days in January: 11.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Viola, IA
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Viola, IA
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in January
Viola, IA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Viola, IA
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Viola, 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).
Viola, Iowa, USA
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