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
The month of January, characterized by an average high of 26.2°F (-3.2°C) and a low of 14.2°F (-9.9°C), is recognized as the coldest in Marion.Humidity
January is the most humid month, with an average relative humidity of 85%.Rainfall
The month with the least rainfall in Marion, Iowa, is January, when the rain falls for 5.2 days and typically collects 1.34" (34mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Marion. January is the month with the most snowfall in Marion. Snow falls for 12.7 days and accumulates 5.79" (147mm) of snow.Daylight
In Marion, the average length of the day in January is 9h and 32min.On the first day of the month, sunrise is at 7:34 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:20 am and sunset at 5:19 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4h of sunshine.UV index
In January, the average daily maximum UV index in Marion is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 2 in January transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. 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
What are the coldest months in Marion?
How cold is it in Marion in January?
What is the most humid month in Marion?
What is the average humidity in January in Marion?
What is the driest month in Marion?
How much does it rain in Marion in January?
When does it snow the most in Marion?
How many days does it snow in January in Marion?
How many hours of daylight does Marion have in January?
What time are sunrise and sunset in January in Marion?
What is the month with the least sunshine in Marion?
How many hours of sunshine does Marion have in January?
What is the UV index reading in January in Marion?
Average temperature in January
Marion, IA
- Average high temperature in January: 26.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in January: 14.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in January
Marion, 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
Marion, IA
- Average wind speed in January: 10.6mph
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
Marion, IA
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Marion, IA
- Average rainfall in January: 1.34"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in January
Marion, IA
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (5.2 days).
Average snowfall in January
Marion, IA
- Average snowfall in January: 5.79"
The month with the highest snowfall is January (5.79").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Marion, IA
- Average snowfall days in January: 12.7 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Marion, 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: 4h and 0min
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: 4h and 0min).
Average sunshine days in January
Marion, IA
- Average sunshine days in January: 15.5 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in January
Marion, 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
Marion, IA
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in January
Marion, 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).
Marion, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location