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 transition into October involves a decrease in the average high-temperature, falling from a warm 74.1°F (23.4°C) in September to a refreshing 61.2°F (16.2°C). Arlington, during October, witnesses an average low-temperature of 45.3°F (7.4°C).Humidity
October is the least humid month in Arlington, with an average relative humidity of 73%.Rainfall
In Arlington, in October, during 9.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 107.9 rainfall days, and 9.96" (253mm) of precipitation is accumulated.Snowfall
Months with snowfall in Arlington are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, in Arlington, there are 29.3 snowfall days, and 3.86" (98mm) of snow is accumulated.Daylight
In October, the average length of the day in Arlington, Illinois, is 11h and 5min.On the first day of October, sunrise is at 6:54 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:52 pm CDT.
Sunshine
The average sunshine in October is 5.5h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 3 in October translates into these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature in Arlington?
What is the least humid month in Arlington?
What is the average humidity in October in Arlington?
How much does it rain in Arlington in October?
When does it start to snow in Arlington?
How many hours of daylight does Arlington have in October?
When are sunrise and sunset in October in Arlington?
How long on average sun shines in October in Arlington?
How high is the UV index in October in Arlington?
Average temperature in October
Arlington, IL
- Average high temperature in October: 61.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in October: 45.3°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in October
Arlington, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Arlington, IL
- Average wind speed in October: 9.1mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in October
Arlington, IL
- Average humidity in October: 73%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Arlington, IL
- Average rainfall in October: 0.91"
The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are January, February, November and December (0.51").
Average rainfall days in October
Arlington, IL
- Average rainfall days in October: 9.3 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in October
Arlington, IL
- Average snowfall in October: 0.24"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Arlington, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (8.6 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
Arlington, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 3min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Arlington, IL
- Average sunshine days in October: 20.1 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in October
Arlington, IL
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Arlington, 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 September (Cloud cover 33).
Average visibility in October
Arlington, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Arlington, Illinois, USA
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