October weather forecastPrinceton, IN
October
Weather in October
October, like September, in Princeton, Indiana, is another refreshing autumn month, with an average temperature ranging between min 49.8°F (9.9°C) and max 66.7°F (19.3°C).Temperature
October's arrival coincides with a drop in the average high-temperature, decreasing from September's warm 78.6°F (25.9°C) to an enjoyable 66.7°F (19.3°C). Throughout October, Princeton witnesses a consistent average low-temperature of 49.8°F (9.9°C).Humidity
With an average relative humidity of 70%, October is the least humid month.Rainfall
In Princeton, in October, during 9.6 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 149.2 rainfall days, and 26.3" (668mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Princeton.Daylight
In October, the average length of the day is 11h and 11min.On the first day of the month, sunrise is at 6:46 am and sunset at 6:32 pm. On the last day of October, sunrise is at 7:16 am and sunset at 5:51 pm CDT.
Sunshine
In October, the average sunshine in Princeton is 6.9h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 3 in October interprets into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Princeton, IN
- Average high temperature in October: 66.7°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in October: 49.8°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 (25.2°F).
Average pressure in October
Princeton, IN
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Princeton, IN
- Average wind speed in October: 8.6mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in October
Princeton, IN
- Average humidity in October: 70%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Princeton, IN
- Average rainfall in October: 1.85"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in October
Princeton, IN
- Average rainfall days in October: 9.6 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in October
Princeton, IN
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Princeton, IN
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (6.7 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
Princeton, IN
- Average daylight in October: 11h and 12min
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 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in October
Princeton, IN
- Average sunshine days in October: 19.7 days
The month with the most sunshine days is October (19.7 days).
The months with the least sunshine days are May and July (10.3 days).
Average UV index in October
Princeton, IN
- 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
Princeton, IN
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in October
Princeton, IN
- 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).





