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
Reilly Settlement's temperature records reveal January as the coldest month, marked by average highs of 22.5°F (-5.3°C) and lows of 10.6°F (-11.9°C).Humidity
The most humid month is January, with an average relative humidity of 89%.Rainfall
January is the month with the least rainfall. Rain falls for 2.8 days and accumulates 0.31" (8mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 9.1 days. Throughout January, 1.5" (38mm) of snow is accumulated. In Reilly Settlement, during the entire year, snow falls for 36.8 days and aggregates up to 6.22" (158mm) of snow.Daylight
The average length of the day in January in Reilly Settlement is 9h and 26min.On the first day of the month, sunrise is at 7:40 am and sunset at 4:43 pm. On the last day of January, sunrise is at 7:25 am and sunset at 5:19 pm CST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 1 in January translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Reilly Settlement have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Reilly Settlement have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Reilly Settlement, IA
- Average high temperature in January: 22.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in January: 10.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in January
Reilly Settlement, 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
Reilly Settlement, IA
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in January
Reilly Settlement, IA
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Reilly Settlement, IA
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in January
Reilly Settlement, IA
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (2 days).
Average snowfall in January
Reilly Settlement, IA
- Average snowfall in January: 1.5"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Reilly Settlement, 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
Reilly Settlement, IA
- Average daylight in January: 9h and 2min
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 3min
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 30min).
Average sunshine days in January
Reilly Settlement, IA
- Average sunshine days in January: 21.7 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in January
Reilly Settlement, 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, February, November and December (UV index 1).
Average cloud cover in January
Reilly Settlement, IA
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Reilly Settlement, 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).
Reilly Settlement, Iowa, USA
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