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 brings the lowest temperatures, with an average high of 24.4°F (-4.2°C) and an average low of 12°F (-11.1°C).Humidity
The most humid month in Onawa Junction is January, with an average relative humidity of 86%.Rainfall
The month with the least rainfall in Onawa Junction is January, when the rain falls for 3.6 days and typically collects 0.55" (14mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, in Onawa Junction, it is snowing for 9.1 days. Throughout January, 2.24" (57mm) of snow is accumulated. In Onawa Junction, Iowa, during the entire year, snow falls for 36.4 days and aggregates up to 10.67" (271mm) of snow.Daylight
The average length of the day in January is 9h and 28min.On the first day of the month, sunrise is at 7:52 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:37 am and sunset at 5:33 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.1h of sunshine.UV index
With an average maximum UV index of 1, January is the month with the lowest UV index in Onawa Junction. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Onawa Junction?
How cold is it in Onawa Junction in January?
What is the most humid month in Onawa Junction?
What is the average humidity in January in Onawa Junction?
What is the driest month in Onawa Junction?
How much does it rain in Onawa Junction in January?
How many days does it snow in January in Onawa Junction?
What is the average length of the day in January in Onawa Junction?
What time are sunrise and sunset in January in Onawa Junction?
What is the month with the least sunshine in Onawa Junction?
How long on average sun shines in January in Onawa Junction?
What is the month with the lowest UV index in Onawa Junction?
What is the UV index reading in January in Onawa Junction?
Average temperature in January
Onawa Junction, IA
- Average high temperature in January: 24.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in January: 12°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in January
Onawa Junction, IA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Onawa Junction, IA
- Average wind speed in January: 10.8mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in January
Onawa Junction, IA
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in January
Onawa Junction, IA
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in January
Onawa Junction, IA
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in January
Onawa Junction, IA
- Average snowfall in January: 2.24"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Onawa Junction, 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
Onawa Junction, IA
- Average daylight in January: 9h and 3min
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: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Onawa Junction, IA
- Average sunshine days in January: 19.7 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in January
Onawa Junction, IA
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Onawa Junction, IA
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in January
Onawa Junction, IA
- Average visibility in January: 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).
Onawa Junction, Iowa, USA
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