November weather forecastDecatur, IL
November
Weather in November
Delving deeper into autumn, November in Decatur flaunts shorter, colder, and cloudier days, alongside a significant temperature tumble down to 49.8°F (9.9°C). Initial snowfall of 0.24" (6mm) specifies winter's arrival at the doorstep, causing the populace to delve deeper into their wardrobe for warmer clothing. The city's raw late-autumn beauty plays out dramatically against a backdrop of dark treetops, beyond brown leaves. Consistent winds and the palpable chill in the air emphasize a shift in the season, foretelling the wintry days ahead. November, with its chilly climate and dwindling daylight, escorts Decatur towards a harsher, grimmer winter.Temperature
The shift from October to November in Decatur corresponds with a decrease in the average high-temperature, down to a frosty 49.8°F (9.9°C) from a refreshing 64°F (17.8°C). In November, the recorded average low-temperature in Decatur, Illinois, is a cold 36.1°F (2.3°C).Humidity
The average relative humidity in November is 73%.Rainfall
In November, in Decatur, the rain falls for 8.4 days. Throughout November, 0.94" (24mm) of precipitation is accumulated. In Decatur, Illinois, during the entire year, the rain falls for 130.2 days and collects up to 16.34" (415mm) of precipitation.Snowfall
Months with snowfall in Decatur are January through April, November and December. November is the first month it typically snows. Throughout November, in the average 1.6 snowfall days, it receives 0.24" (6mm) of snow. In Decatur, during the entire year, snow falls for 23.1 days and aggregates up to 5.67" (144mm) of snow.Daylight
In Decatur, Illinois, the average length of the day in November is 9h and 59min.On the first day of the month, sunrise is at 7:25 am and sunset at 5:53 pm CDT. On the last day of November, sunrise is at 6:57 am and sunset at 4:31 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
In Decatur, the average sunshine in November is 5.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In November, the average maximum UV index of 2 translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
Decatur, IL
- Average high temperature in November: 49.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in November: 36.1°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in November
Decatur, IL
- Average pressure in November: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in November
Decatur, IL
- Average wind speed in November: 10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in November
Decatur, IL
- Average humidity in November: 73%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in November
Decatur, IL
- Average rainfall in November: 0.94"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are February and December (0.87").
Average rainfall days in November
Decatur, IL
- Average rainfall days in November: 8.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in November
Decatur, IL
- Average snowfall in November: 0.24"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in November
Decatur, IL
- Average snowfall days in November: 1.6 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, August, September and October (0 days).
Average daylight in November /
Average sunshine in November
Decatur, IL
- Average daylight in November: 10h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in November: 5h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in November
Decatur, IL
- Average sunshine days in November: 19.6 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in November
Decatur, IL
- Average UV index in November: 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 November
Decatur, IL
- Average cloud cover in November: 39
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in November
Decatur, IL
- Average visibility in November: 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).
