November weather forecast
Williamson, IL

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Weather in November

November, the last month of the autumn in Williamson, is another cool month, with an average temperature ranging between min 36.9°F (2.7°C) and max 51.6°F (10.9°C).

Temperature

With the beginning of November, the average high-temperature shows a decrease, transitioning from an enjoyable 65.3°F (18.5°C) in October to a cool 51.6°F (10.9°C). In Williamson, November's nights observe an average temperature dip to a cold 36.9°F (2.7°C).

Humidity

In November, the average relative humidity in Williamson is 73%.

Rainfall

In Williamson, during November, the rain falls for 7.5 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, in Williamson, Illinois, there are 121.4 rainfall days, and 14.72" (374mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. November is the first month it typically snows in Williamson. Throughout November, in the average 1.3 snowfall days, it receives 0.2" (5mm) of snow. In Williamson, during the entire year, snow falls for 19.8 days and aggregates up to 2.91" (74mm) of snow.

Daylight

In November, the average length of the day in Williamson is 10h and 4min.
On the first day of November, sunrise is at 7:27 am and sunset at 5:58 pm CDT. On the last day of the month, sunrise is at 6:58 am and sunset at 4:37 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 Williamson, the average sunshine in November is 5.5h.

UV index

The months with the lowest UV index in Williamson 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 exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 2 in November translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average November temperature in Williamson?

During November, Williamson experiences an average high-temperature of 51.6°F (10.9°C) and a low-temperature of 36.9°F (2.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in November in Williamson?

The average relative humidity in November in Williamson is 73%.

How much does it rain in Williamson in November?

In Williamson, Illinois, in November, during 7.5 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When does it start snowing in Williamson?

November is the first month it typically snows. Throughout November, in the average 1.3 snowfall days, it receives 0.2" (5mm) of snow.

What is the average length of the day in November in Williamson?

In Williamson, Illinois, the average day length in November is 10h and 4min.

What time are sunrise and sunset in November in Williamson?

On the first day of November in Williamson, Illinois, sunrise is at 7:27 am and sunset at 5:58 pm CDT. On the last day of the month, sunrise is at 6:58 am and sunset at 4:37 pm CST.

When does Daylight Saving Time (DST) end in November in Williamson?

On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends in Williamson, and the time zone changes from CDT to CST. The next DST starts Sunday, March 9. 2025, at 2:00 am.

How many hours of sunshine does Williamson have in November?

In November, the average sunshine duration in Williamson, Illinois, is 5.5h.

When is the lowest UV index in Williamson?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Williamson, Illinois.

What is the UV index reading in November in Williamson?

In November, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in November
Williamson, IL

Average temperature in November - Williamson, IL
  • Average high temperature in November: 51.6°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in November: 36.9°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in November
Williamson, IL

Average pressure in November - Williamson, 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).

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Average wind speed in November
Williamson, IL

Average wind speed in November - Williamson, IL
  • Average wind speed in November: 9.2mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in November
Williamson, IL

Average humidity in November - Williamson, IL
  • Average humidity in November: 73%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in November
Williamson, IL

Average rainfall in November - Williamson, IL
  • Average rainfall in November: 0.87"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in November
Williamson, IL

Average rainfall days in November - Williamson, IL
  • Average rainfall days in November: 7.5 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in November
Williamson, IL

Average snowfall in November - Williamson, IL
  • Average snowfall in November: 0.2"

The month with the highest snowfall is December (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in November
Williamson, IL

Average snowfall days in November - Williamson, IL
  • Average snowfall days in November: 1.3 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in November /
Average sunshine in November
Williamson, IL

Average daylight in November / Average sunshine in November - Williamson, 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 months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in November
Williamson, IL

Average sunshine days in November - Williamson, IL
  • Average sunshine days in November: 20.4 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is July (12.5 days).

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Average UV index in November
Williamson, IL

Average UV index in November - Williamson, 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).

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Average cloud cover in November
Williamson, IL

Average cloud cover in November - Williamson, IL
  • Average cloud cover in November: 38

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

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Average visibility in November
Williamson, IL

Average visibility in November - Williamson, 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).

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Williamson, Illinois, USA

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