October weather forecast
Tamms, IL

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Weather in October

October, like September, is another pleasant autumn month in Tamms, Illinois, with an average temperature fluctuating between 51.1°F (10.6°C) and 68.9°F (20.5°C).

Temperature

October is characterized by a reduction in the average high-temperature, from a moderately hot 81.5°F (27.5°C) in September to an agreeable 68.9°F (20.5°C). Throughout October, Tamms experiences a low-temperature average of 51.1°F (10.6°C).

Humidity

The least humid month is October, with an average relative humidity of 69%.

Rainfall

In Tamms, Illinois, in October, it is raining for 11.3 days, with typically 2.68" (68mm) of accumulated precipitation. In Tamms, Illinois, during the entire year, the rain falls for 156.3 days and collects up to 36.65" (931mm) of precipitation.

Snowfall

Months with snowfall in Tamms, Illinois, are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Tamms, during the entire year, snow falls for 11.5 days and aggregates up to 4.88" (124mm) of snow.

Daylight

In October, the average length of the day is 11h and 13min.
On the first day of October, sunrise is at 6:53 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 6:00 pm CDT.

Sunshine

In October, the average sunshine is 6.6h.

UV index

In Tamms, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 4 during October translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In Tamms, 68.9°F (20.5°C) is the average high-temperature and 51.1°F (10.6°C) is the average low-temperature during October. In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the least humid month in Tamms?

October is the least humid month, with an average relative humidity of 69%.

What is the average humidity in October?

In October, the average relative humidity is 69%.

How much does it rain in October?

In October, the rain falls for 11.3 days. Throughout October, 2.68" (68mm) of precipitation is accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

What is the average length of the day in October?

In October, the average day length in Tamms is 11h and 13min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 6:53 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 6:00 pm CDT.

How long on average sun shines in October?

In October, the average sunshine duration is 6.6h.

What is the UV index intensity in October?

In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Tamms, IL

Average temperature in October - Tamms, IL
  • Average high temperature in October: 68.9°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in October: 51.1°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in October
Tamms, IL

Average pressure in October - Tamms, IL
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in October
Tamms, IL

Average wind speed in October - Tamms, IL
  • Average wind speed in October: 7.6mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in October
Tamms, IL

Average humidity in October - Tamms, IL
  • Average humidity in October: 69%

The months with the highest relative humidity are February, March, May and December (78%).
The month with the lowest relative humidity is October (69%).

Average rainfall in October
Tamms, IL

Average rainfall in October - Tamms, IL
  • Average rainfall in October: 2.68"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in October
Tamms, IL

Average rainfall days in October - Tamms, IL
  • Average rainfall days in October: 11.3 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in October
Tamms, IL

Average snowfall in October - Tamms, IL
  • Average snowfall in October: 0.08"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Tamms, IL

Average snowfall days in October - Tamms, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (3.8 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
Tamms, IL

Average daylight in October / Average sunshine in October - Tamms, IL
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in October: 6h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in October
Tamms, IL

Average sunshine days in October - Tamms, IL
  • Average sunshine days in October: 18.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in October
Tamms, IL

Average UV index in October - Tamms, IL
  • Average UV index in October: 4

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in October
Tamms, IL

Average cloud cover in October - Tamms, IL
  • Average cloud cover in October: 31

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in October
Tamms, IL

Average visibility in October - Tamms, IL
  • Average visibility in October: 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).

Tamms, Illinois, USA

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