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 coldest month is January, with an average high-temperature of 23.9°F (-4.5°C) and an average low-temperature of 11.3°F (-11.5°C).Humidity
With an average relative humidity of 87%, January is the most humid month in Shell Rock.Rainfall
The month with the least rainfall in Shell Rock is January, when the rain falls for 4.2 days and typically collects 1.02" (26mm) of precipitation.Snowfall
Months with snowfall in Shell Rock are January through May, October through December. In Shell Rock, in January, during 10.5 snowfall days, 4.33" (110mm) of snow is typically accumulated. Throughout the year, there are 43.6 snowfall days, and 19.25" (489mm) of snow is accumulated.Daylight
In January, the average length of the day in Shell Rock is 9h and 28min.On the first day of the month, sunrise is at 7:40 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:25 am and sunset at 5:21 pm CST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year in Shell Rock.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 1 during January translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Shell Rock?
How cold is January in Shell Rock?
What is the most humid month in Shell Rock?
What is the average humidity in January in Shell Rock?
What is the driest month in Shell Rock?
How many days does it rain in January in Shell Rock?
How much does it snow in Shell Rock in January?
What is the average length of the day in January in Shell Rock?
When is the sunrise / sunset in January in Shell Rock?
What is the month with the least sunshine in Shell Rock?
How many hours of sunshine does Shell Rock have in January?
What are the months with the lowest UV index in Shell Rock?
How high is the UV index in January in Shell Rock?
Average temperature in January
Shell Rock, IA
- Average high temperature in January: 23.9°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in January: 11.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in January
Shell Rock, 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
Shell Rock, IA
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Shell Rock, IA
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Shell Rock, IA
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in January
Shell Rock, IA
- Average rainfall days in January: 4.2 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in January
Shell Rock, IA
- Average snowfall in January: 4.33"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Shell Rock, IA
- Average snowfall days in January: 10.5 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Shell Rock, 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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Shell Rock, IA
- Average sunshine days in January: 17.2 days
The months with the most sunshine days are October and November (17.8 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in January
Shell Rock, 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 and December (UV index 1).
Average cloud cover in January
Shell Rock, IA
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Shell Rock, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Shell Rock, Iowa, USA
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