November weather forecastPort Byron, IL
November
Weather in November
The last month of the autumn, November, is also a frosty month in Port Byron, Illinois, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 33.3°F (0.7°C).Temperature
Port Byron's weather in November is marked by a clear decrease in the average high-temperature, moving down from October's refreshing 61.3°F (16.3°C) to a chilly 46.9°F (8.3°C). Port Byron's average low-temperature for the month of November records at a wintry 33.3°F (0.7°C).Humidity
In November, the average relative humidity is 74%.Rainfall
In Port Byron, in November, during 5.1 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, there are 99.4 rainfall days, and 9.57" (243mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September through December. In Port Byron, in November, snow falls for 1.5 days, with typically accumulated 0.31" (8mm) of snow. Throughout the year, there are 24.5 snowfall days, and 4.09" (104mm) of snow is accumulated.Daylight
In November, the average length of the day is 9h and 51min.On the first day of the month, sunrise is at 7:34 am and sunset at 5:55 pm CDT. On the last day of November, sunrise is at 7:08 am and sunset at 4:32 pm CST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from CDT to CST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from CST to CDT.
Sunshine
The average sunshine in November is 5.2h.UV index
In November, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: An average UV index of 2 in November transforms into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
Port Byron, IL
- Average high temperature in November: 46.9°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in November: 33.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in November
Port Byron, IL
- Average pressure in November: 30.09"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 November
Port Byron, IL
- Average wind speed in November: 10.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in November
Port Byron, IL
- Average humidity in November: 74%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in November
Port Byron, IL
- Average rainfall in November: 0.51"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in November
Port Byron, IL
- Average rainfall days in November: 5.1 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in November
Port Byron, IL
- Average snowfall in November: 0.31"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in November
Port Byron, IL
- Average snowfall days in November: 1.5 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in November /
Average sunshine in November
Port Byron, IL
- Average daylight in November: 9h and 54min
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 November: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in November
Port Byron, IL
- Average sunshine days in November: 22.1 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).
Average UV index in November
Port Byron, IL
- Average UV index in November: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in November
Port Byron, IL
- Average cloud cover in November: 42
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in November
Port Byron, IL
- Average visibility in November: 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).
