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
Bluffs witnesses the coldest weather in January, with temperatures averaging a high of 33.8°F (1°C) and a low of 21.6°F (-5.8°C).Humidity
In Bluffs, the average relative humidity in January is 78%.Rainfall
The months with the least rainfall in Bluffs are January, February and December Rain falls for 7.5 days and accumulates 1.73" (44mm) of rain.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 9.8 days and typically aggregates up to 3.46" (88mm) of snow.Daylight
In Bluffs, the average length of the day in January is 9h and 44min.On the first day of January, sunrise is at 7:23 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:20 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bluffs. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
When does it snow the most?
How much does it snow 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 in Bluffs?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Bluffs, IL
- Average high temperature in January: 33.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Bluffs, IL
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Bluffs, IL
- Average wind speed in January: 9.9mph
The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in January
Bluffs, IL
- Average humidity in January: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Bluffs, IL
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").
Average rainfall days in January
Bluffs, IL
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in January
Bluffs, IL
- Average snowfall in January: 3.46"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Bluffs, IL
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Bluffs, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Bluffs, IL
- Average sunshine days in January: 15.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in January
Bluffs, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Bluffs, IL
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in January
Bluffs, IL
- 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).
Bluffs, Illinois, USA
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