Contents
- Weather in November
- Frequently asked questions
- Average temperature in November
- Average pressure in November
- Average wind speed in November
- Average humidity in November
- Average rainfall in November
- Average rainfall days in November
- Average snowfall in November
- Average snowfall days in November
- Average daylight in November
- Average sunshine in November
- Average sunshine days in November
- Average UV index in November
- Average cloud cover in November
- Average visibility in November
Weather in November
Temperature
Arrival of November comes with a reduction in the average high-temperature, falling from an enjoyable 65.5°F (18.6°C) in October to a cool 52.2°F (11.2°C). Alton's average low-temperature is measured at a cold 37°F (2.8°C) during November.Humidity
In Alton, the average relative humidity in November is 73%.Rainfall
In Alton, during November, the rain falls for 8.5 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Alton, Illinois, during the entire year, the rain falls for 128.3 days and collects up to 18.9" (480mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. November is the first month it typically snows. Throughout November, in the average 0.9 snowfall days, it receives 0.39" (10mm) of snow. In Alton, during the entire year, snow falls for 17.9 days and aggregates up to 3.58" (91mm) of snow.Daylight
In Alton, the average length of the day in November is 10h and 4min.On the first day of the month, sunrise is at 7:28 am and sunset at 5:59 pm CDT. On the last day of November, sunrise is at 6:59 am and sunset at 4:39 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 November, the average sunshine in Alton is 5.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Alton. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in November, converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Caution! The reflection of snow 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 usual temperature for Alton in November?
What is the average humidity in November in Alton?
How many days does it rain in November in Alton?
When does it start snowing in Alton?
What is the average length of the day in November in Alton?
When are sunrise and sunset in November in Alton?
When does Daylight Saving Time (DST) end in November in Alton?
How many hours of sunshine does Alton have in November?
What are the months with the lowest UV index in Alton?
What is the UV index reading in November in Alton?
Average temperature in November
Alton, IL
- Average high temperature in November: 52.2°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in November: 37°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in November
Alton, IL
- Average pressure in November: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in November
Alton, IL
- Average wind speed in November: 8.9mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in November
Alton, IL
- Average humidity in November: 73%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in November
Alton, IL
- Average rainfall in November: 1.06"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in November
Alton, IL
- Average rainfall days in November: 8.5 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in November
Alton, IL
- Average snowfall in November: 0.39"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in November
Alton, IL
- Average snowfall days in November: 0.9 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in November /
Average sunshine in November
Alton, IL
- Average daylight in November: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in November: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in November
Alton, IL
- Average sunshine days in November: 19.9 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in November
Alton, 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
Alton, IL
- Average cloud cover in November: 38
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in November
Alton, 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).
Alton, Illinois, USA
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