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
As October arrives, Galena's weather displays a notable decrease in high-temperatures, falling from September's pleasant 73°F (22.8°C) to a mild 58.3°F (14.6°C). October nights in Galena, Illinois, cool down to an average low-temperature of 42.4°F (5.8°C).Humidity
The months with the lowest humidity in Galena are April and October, with an average relative humidity of 76%.Rainfall
In Galena, in October, it is raining for 12.9 days, with typically 2.72" (69mm) of accumulated precipitation. In Galena, during the entire year, the rain falls for 153.1 days and collects up to 30.75" (781mm) of precipitation.Snowfall
Months with snowfall in Galena are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 1 snowfall days, it receives 0.75" (19mm) of snow. Throughout the year, there are 46.9 snowfall days, and 17.52" (445mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 2min.On the first day of the month, sunrise is at 6:59 am and sunset at 6:42 pm. On the last day of October, in Galena, sunrise is at 7:34 am and sunset at 5:55 pm CDT.
Sunshine
The average sunshine in October is 5.3h.UV index
In Galena, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 in October translates into these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the temperature in October in Galena?
What is the least humid month in Galena?
What is the average humidity in October in Galena?
How many days does it rain in October in Galena?
When does it start snowing in Galena?
What is the average length of the day in October in Galena?
What time are sunrise and sunset in October in Galena?
How many hours of sunshine does Galena have in October?
What is the UV index reading in October in Galena?
Average temperature in October
Galena, IL
- Average high temperature in October: 58.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in October: 42.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in October
Galena, IL
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Galena, IL
- Average wind speed in October: 9.2mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in October
Galena, IL
- Average humidity in October: 76%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in October
Galena, IL
- Average rainfall in October: 2.72"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in October
Galena, IL
- Average rainfall days in October: 12.9 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in October
Galena, IL
- Average snowfall in October: 0.75"
The month with the highest snowfall is January (5.12").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Galena, IL
- Average snowfall days in October: 1 days
The month with the highest number of snowfall days is January (13.2 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
Galena, IL
- Average daylight in October: 11h and 0min
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 6min).
- Average sunshine in October: 5h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Galena, IL
- Average sunshine days in October: 15.4 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in October
Galena, IL
- Average UV index in October: 2
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
Galena, IL
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in October
Galena, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Galena, Illinois, USA
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