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
During the coldest month, January, temperatures average a high of 28.8°F (-1.8°C) and a low of 16.7°F (-8.5°C).Humidity
In January, the average relative humidity in Annawan is 83%.Rainfall
The months with the least rainfall in Annawan are January and December Rain falls for 6.1 days and accumulates 1.42" (36mm) of rain.Snowfall
Months with snowfall in Annawan are January through April, October through December. January is the month with the most snowfall in Annawan. Snow falls for 11.4 days and accumulates 3.66" (93mm) of snow.Daylight
The average length of the day in January in Annawan is 9h and 35min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:40 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:13 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.9h of sunshine.UV index
The month with the lowest UV index in Annawan is January, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 1 in January transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Annawan?
How cold is it in Annawan in January?
What is the average humidity in January in Annawan?
What is the driest month in Annawan?
How many days does it rain in January in Annawan?
When does it snow the most in Annawan?
How much does it snow in Annawan in January?
What is the average length of the day in January in Annawan?
When are sunrise and sunset in January in Annawan?
What is the month with the least sunshine in Annawan?
How long on average sun shines in January in Annawan?
What is the month with the lowest UV index in Annawan?
How high is the UV index in January in Annawan?
Average temperature in January
Annawan, IL
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 16.7°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in January
Annawan, IL
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Annawan, IL
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Annawan, IL
- Average humidity in January: 83%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Annawan, IL
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.42").
Average rainfall days in January
Annawan, IL
- Average rainfall days in January: 6.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in January
Annawan, IL
- Average snowfall in January: 3.66"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Annawan, IL
- Average snowfall days in January: 11.4 days
The month with the highest number of snowfall days is January (11.4 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
Annawan, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Annawan, IL
- Average sunshine days in January: 15.2 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in January
Annawan, IL
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Annawan, IL
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in January
Annawan, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Annawan, Illinois, USA
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