October weather forecastKeystone, IN
October
Weather in October
October, like September, in Keystone, Indiana, is another refreshing autumn month, with an average temperature varying between 46.2°F (7.9°C) and 61.7°F (16.5°C).Temperature
Keystone's average high-temperature decreases in October, falling from a moderately hot 74.1°F (23.4°C) in September to an enjoyable 61.7°F (16.5°C). Keystone records an average low-temperature of 46.2°F (7.9°C) throughout the month of October.Humidity
October is the least humid month, with an average relative humidity of 74%.Rainfall
In Keystone, in October, during 11.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 137.2 rainfall days, and 17.95" (456mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.24" (6mm) of snow. In Keystone, during the entire year, snow falls for 35.6 days and aggregates up to 7.64" (194mm) of snow.Daylight
In October, the average length of the day is 11h and 7min.On the first day of the month, sunrise is at 7:38 am and sunset at 7:22 pm. On the last day of October, sunrise is at 8:10 am and sunset at 6:38 pm EDT.
Sunshine
In October, the average sunshine is 6.3h.UV index
In Keystone, Indiana, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during October morphs into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Keystone, IN
- Average high temperature in October: 61.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in October: 46.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in October
Keystone, IN
- Average pressure in October: 30.02"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Keystone, IN
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in October
Keystone, IN
- Average humidity in October: 74%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Keystone, IN
- Average rainfall in October: 1.06"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in October
Keystone, IN
- Average rainfall days in October: 11.3 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in October
Keystone, IN
- Average snowfall in October: 0.24"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Keystone, IN
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Keystone, IN
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 6h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in October
Keystone, IN
- Average sunshine days in October: 17.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in October
Keystone, IN
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Keystone, IN
- Average cloud cover in October: 40
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in October
Keystone, IN
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
