October weather forecast
Brighton, IL

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Weather in October

October, the same as September, is another enjoyable autumn month in Brighton, Illinois, with an average temperature fluctuating between 65.3°F (18.5°C) and 48.2°F (9°C).

Temperature

October suggests a modest reduction in the average high-temperature, shifting from a moderately hot 78.3°F (25.7°C) in September to a comfortable 65.3°F (18.5°C). Brighton witnesses an average low-temperature of 48.2°F (9°C) throughout the month of October.

Humidity

October is the least humid month, with an average relative humidity of 71%.

Rainfall

In Brighton, during October, the rain falls for 10.4 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 141.9 rainfall days, and 27.36" (695mm) of precipitation is accumulated.

Snowfall

In Brighton, snow does not fall in April through October.

Daylight

In Brighton, Illinois, the average length of the day in October is 11h and 10min.
On the first day of October, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 6:00 pm CDT.

Sunshine

The average sunshine in October is 6.1h.

UV index

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 3 in October transforms into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What are the temperatures in October?

The average high-temperature and low-temperature during October are 65.3°F (18.5°C) and 48.2°F (9°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is computed to be 91.4°F (33°C).

What is the least humid month?

The least humid month is October, with an average relative humidity of 71%.

What is the average humidity in October?

In Brighton, the average relative humidity in October is 71%.

How many days does it rain in October?

In October, the rain falls for 10.4 days. Throughout October, 2.05" (52mm) of precipitation is accumulated.

When it does not snow?

In Brighton, snow does not fall in April through October.

Does it snow in October?

In Brighton, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October?

In Brighton, the average day length in October is 11h and 10min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 6:00 pm CDT.

How many hours of sunshine does Brighton have in October?

In Brighton, the average sunshine duration in October is 6.1h.

How high is the UV index in October?

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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 October
Brighton, IL

Average temperature in October - Brighton, IL
  • Average high temperature in October: 65.3°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in October: 48.2°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).

Average pressure in October
Brighton, IL

Average pressure in October - Brighton, IL
  • Average pressure in October: 30.03"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 October
Brighton, IL

Average wind speed in October - Brighton, IL
  • Average wind speed in October: 8.3mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in October
Brighton, IL

Average humidity in October - Brighton, IL
  • Average humidity in October: 71%

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

Average rainfall in October
Brighton, IL

Average rainfall in October - Brighton, IL
  • Average rainfall in October: 2.05"

The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in October
Brighton, IL

Average rainfall days in October - Brighton, IL
  • Average rainfall days in October: 10.4 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in October
Brighton, IL

Average snowfall in October - Brighton, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is February (2.48").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Brighton, IL

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

The month with the highest number of snowfall days is January (6.2 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
Brighton, IL

Average daylight in October / Average sunshine in October - Brighton, IL
  • Average daylight in October: 11h 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 October: 6h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in October
Brighton, IL

Average sunshine days in October - Brighton, IL
  • Average sunshine days in October: 19.3 days

The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in October
Brighton, IL

Average UV index in October - Brighton, IL
  • Average UV index in October: 3

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, November and December (UV index 2).

Average cloud cover in October
Brighton, IL

Average cloud cover in October - Brighton, IL
  • Average cloud cover in October: 34

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

Average visibility in October
Brighton, IL

Average visibility in October - Brighton, 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).

Brighton, Illinois, USA

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