Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a moderately hot 74.8°F (23.8°C) in September to an enjoyable 61.3°F (16.3°C). In Annawan, the October nights cool down to an average low of 45.5°F (7.5°C).Humidity
October is the least humid month, with an average relative humidity of 72%.Rainfall
In Annawan, in October, it is raining for 12.3 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 147.2 rainfall days, and 29.17" (741mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Annawan. October is the first month it typically snows in Annawan. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. In Annawan, during the entire year, snow falls for 37 days and aggregates up to 12.91" (328mm) of snow.Daylight
The average length of the day in October in Annawan is 11h and 5min.On the first day of the month, sunrise is at 6:57 am and sunset at 6:40 pm. On the last day of October, sunrise is at 7:30 am and sunset at 5:55 pm CDT.
Sunshine
In Annawan, Illinois, the average sunshine in October is 5.6h.UV index
In Annawan, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 3 during October translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Annawan?
What is the least humid month in Annawan?
What is the average humidity in October in Annawan?
How many days does it rain in October in Annawan?
When does it start to snow in Annawan?
What is the average length of the day in October in Annawan?
When are sunrise and sunset in October in Annawan?
How long on average sun shines in October in Annawan?
How high is the UV index in October in Annawan?
Average temperature in October
Annawan, IL
- Average high temperature in October: 61.3°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 October: 45.5°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 October
Annawan, IL
- Average pressure in October: 30.01"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 October
Annawan, IL
- Average wind speed in October: 9.4mph
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 October
Annawan, IL
- Average humidity in October: 72%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Annawan, IL
- Average rainfall in October: 2.72"
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 October
Annawan, IL
- Average rainfall days in October: 12.3 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 October
Annawan, IL
- Average snowfall in October: 0.28"
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 October
Annawan, IL
- Average snowfall days in October: 0.5 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 October /
Average sunshine in October
Annawan, IL
- Average daylight in October: 11h and 1min
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 October: 5h and 4min
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 October
Annawan, IL
- Average sunshine days in October: 16.5 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 October
Annawan, IL
- Average UV index in October: 3
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 October
Annawan, IL
- Average cloud cover in October: 38
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 October
Annawan, IL
- Average visibility in October: 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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