October weather forecastGalena, IL
October
Weather in October
October is a month of visible weather changes in Galena. The arrival of fall sees a marked decline in temperature, with cold nights becoming more frequent. Rainfall remains a prominent feature, though not at the levels of the summer months. The days become shorter with dwindling daylight hours, preparing for the arrival of winter. The conclusion of this month witnesses the commencement of early winter characteristics.Temperature
The beginning of October signals a clear reduction in the average high-temperature, falling from a pleasant 73°F (22.8°C) in September to a refreshing 58.3°F (14.6°C). An average low-temperature of 42.4°F (5.8°C) is recorded during the nights in October.Humidity
April and October, with an average relative humidity of 76%, are the least humid months.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 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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 2 in October, converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 18min
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).
