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
January is the coldest month of the year, registering average temperatures as high as 39.7°F (4.3°C) and as low as 26.8°F (-2.9°C).Humidity
In Raleigh, the average relative humidity in January is 77%.Rainfall
In Raleigh, in January, it is raining for 9.3 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 146.3 rainfall days, and 24.96" (634mm) of precipitation is accumulated.Snowfall
Months with snowfall in Raleigh are January through April, November and December. In Raleigh, in January, during 4.8 snowfall days, 0.71" (18mm) of snow is typically accumulated. Throughout the year, in Raleigh, there are 15.9 snowfall days, and 3.58" (91mm) of snow is accumulated.Daylight
The average length of the day in January in Raleigh, Illinois, is 9h and 54min.On the first day of the month, sunrise is at 7:09 am and sunset at 4:45 pm. On the last day of January, in Raleigh, Illinois, sunrise is at 6:59 am and sunset at 5:15 pm CST.
Sunshine
With an average of 4.5h of sunshine, January has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Raleigh. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Raleigh?
Is it cold in Raleigh during January?
What is the average humidity in January in Raleigh?
How many days does it rain in January in Raleigh?
How many days does it snow in January in Raleigh?
What is the average length of the day in January in Raleigh?
What time are sunrise and sunset in January in Raleigh?
What is the month with the least sunshine in Raleigh?
How long on average sun shines in January in Raleigh?
When is the lowest UV index in Raleigh?
How high is the UV index in January in Raleigh?
Average temperature in January
Raleigh, IL
- Average high temperature in January: 39.7°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in January: 26.8°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in January
Raleigh, IL
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Raleigh, IL
- Average wind speed in January: 9.7mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in January
Raleigh, IL
- Average humidity in January: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Raleigh, IL
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in January
Raleigh, IL
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).
Average snowfall in January
Raleigh, IL
- Average snowfall in January: 0.71"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Raleigh, IL
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is January (4.8 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
Raleigh, IL
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in January
Raleigh, IL
- Average sunshine days in January: 17 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in January
Raleigh, IL
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Raleigh, IL
- Average cloud cover in January: 51
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in January
Raleigh, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Raleigh, Illinois, USA
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