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
October indicates a shift in the average high-temperature, from September's warm 78.1°F (25.6°C) to a refreshing 65.7°F (18.7°C). Throughout October, the average low-temperature dips to a chilly 48.9°F (9.4°C).Humidity
October is the least humid month, with an average relative humidity of 71%.Rainfall
In October, the rain falls for 7.3 days. Throughout October, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 110.6 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Highland, during the entire year, snow falls for 15.9 days and aggregates up to 2.32" (59mm) of snow.Daylight
In Highland, the average length of the day in October is 11h and 10min.On the first day of October, sunrise is at 6:55 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:59 pm CDT.
Sunshine
In October, the average sunshine is 6.3h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 in October translates into these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Highland in October?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
How high is the UV index in October in Highland?
Average temperature in October
Highland, IL
- Average high temperature in October: 65.7°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in October: 48.9°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in October
Highland, IL
- Average pressure in October: 30.03"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).
Average wind speed in October
Highland, IL
- Average wind speed in October: 8.2mph
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 (5.7mph).
Average humidity in October
Highland, IL
- Average humidity in October: 71%
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Highland, IL
- Average rainfall in October: 1.02"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in October
Highland, IL
- Average rainfall days in October: 7.3 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are January and December (5.9 days).
Average snowfall in October
Highland, IL
- Average snowfall in October: 0.04"
The month with the highest snowfall is December (0.94").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in October
Highland, IL
- Average snowfall days in October: 0.1 days
The months with the highest number of snowfall days are January and February (4.8 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
Highland, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 6h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in October
Highland, IL
- Average sunshine days in October: 21.5 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in October
Highland, 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
Highland, IL
- Average cloud cover in October: 32
The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July, August and September (Cloud cover 28).
Average visibility in October
Highland, 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).
Highland, Illinois, USA
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