Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The start of October involves a temperature drop, moving from an agreeable 72.9°F (22.7°C) in September to a mild 59.9°F (15.5°C). In Berwyn, the October nights cool down to an average low of 47.7°F (8.7°C).Humidity
The least humid month in Berwyn is October, with an average relative humidity of 72%.Rainfall
In Berwyn, during October, the rain falls for 6.7 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Berwyn, during the entire year, the rain falls for 92 days and collects up to 7.4" (188mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Berwyn. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Berwyn, there are 26.5 snowfall days, and 4.06" (103mm) of snow is accumulated.Daylight
In Berwyn, the average length of the day in October is 11h and 4min.On the first day of October in Berwyn, sunrise is at 6:48 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:46 pm CDT.
Sunshine
The average sunshine in October is 5.8h.UV index
In October, the average daily maximum UV index in Berwyn is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, the UV index of 2 transforms into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Berwyn in October?
What is the least humid month in Berwyn?
What is the average humidity in October in Berwyn?
How many days does it rain in October in Berwyn?
When does it start snowing in Berwyn?
What is the average length of the day in October in Berwyn?
When are sunrise and sunset in October in Berwyn?
How many hours of sunshine does Berwyn have in October?
How high is the UV index in October in Berwyn?
Average temperature in October
Berwyn, IL
- Average high temperature in October: 59.9°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in October: 47.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in October
Berwyn, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Berwyn, IL
- Average wind speed in October: 9.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in October
Berwyn, IL
- Average humidity in October: 72%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Berwyn, IL
- Average rainfall in October: 0.67"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").
Average rainfall days in October
Berwyn, IL
- Average rainfall days in October: 6.7 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in October
Berwyn, IL
- Average snowfall in October: 0.04"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Berwyn, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (7.3 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
Berwyn, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in October
Berwyn, IL
- Average sunshine days in October: 22.4 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in October
Berwyn, IL
- Average UV index in October: 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 and December (UV index 1).
Average cloud cover in October
Berwyn, IL
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
Berwyn, 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).
Berwyn, Illinois, USA
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