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
In Rowley, the month of January registers the lowest temperatures, averaging 24.3°F (-4.3°C) at the peak and 12.2°F (-11°C) at the lowest.Humidity
The most humid month is January, with an average relative humidity of 87%.Rainfall
The month with the least rainfall is January, when the rain falls for 3.6 days and typically collects 1.14" (29mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 11.3 days and accumulates 5.12" (130mm) of snow.Daylight
The average length of the day in January is 9h and 30min.On the first day of the month, sunrise is at 7:36 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:19 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.7h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 1 during January, leads to the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
What is the snowiest month?
How much does it snow in Rowley in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Rowley have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Rowley, IA
- Average high temperature in January: 24.3°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 (24.3°F).
- Average low temperature in January: 12.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in January
Rowley, 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
Rowley, IA
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Rowley, 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 (73%).
Average rainfall in January
Rowley, IA
- Average rainfall in January: 1.14"
The wettest months (with the highest rainfall) are May and June (4.37").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in January
Rowley, IA
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in January
Rowley, IA
- Average snowfall in January: 5.12"
The month with the highest snowfall is January (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rowley, 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
Rowley, 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 6min).
- Average sunshine in January: 3h and 4min
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 42min).
Average sunshine days in January
Rowley, IA
- Average sunshine days in January: 17.5 days
The months with the most sunshine days are January, October and November (17.5 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in January
Rowley, IA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Rowley, IA
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in January
Rowley, 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).
Rowley, Iowa, USA
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