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
With the onset of October, Princeton's average high-temperature experiences a noticeable drop, receding from September's warm 73.4°F (23°C) to a refreshing 57.7°F (14.3°C). Princeton experiences a mean temperature of 41.4°F (5.2°C) during October nights.Humidity
In Princeton, Idaho, the average relative humidity in October is 63%.Rainfall
In Princeton, Idaho, during October, the rain falls for 12.5 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Princeton, Idaho, there are 143.2 rainfall days, and 20.51" (521mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Princeton, Idaho. In Princeton, during October, snow falls for 0.8 days and regularly aggregates up to 0.47" (12mm) of snow. Throughout the year, in Princeton, there are 60.2 snowfall days, and 47.24" (1200mm) of snow is accumulated.Daylight
In Princeton, the average length of the day in October is 10h and 52min.On the first day of the month, sunrise is at 6:47 am and sunset at 6:26 pm. On the last day of October, in Princeton, sunrise is at 7:29 am and sunset at 5:32 pm PDT.
Sunshine
In Princeton, the average sunshine in October is 6.8h.UV index
In Princeton, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: During October, 3 as the daily maximum UV index converts into the following advice:
Exercise prevention - Warding off sunburn is urged. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Princeton?
What is the average humidity in October in Princeton?
How much does it rain in Princeton in October?
How much does it snow in Princeton in October?
How many hours of daylight does Princeton have in October?
When is the sunrise / sunset in October in Princeton?
How long on average sun shines in October in Princeton?
What is the UV index reading in October in Princeton?
Average temperature in October
Princeton, ID
- Average high temperature in October: 57.7°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in October: 41.4°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in October
Princeton, ID
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in October
Princeton, ID
- Average wind speed in October: 5.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in October
Princeton, ID
- Average humidity in October: 63%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).
Average rainfall in October
Princeton, ID
- Average rainfall in October: 1.61"
The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in October
Princeton, ID
- Average rainfall days in October: 12.5 days
The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).
Average snowfall in October
Princeton, ID
- Average snowfall in October: 0.47"
The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Princeton, ID
- Average snowfall days in October: 0.8 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Princeton, ID
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in October: 6h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in October
Princeton, ID
- Average sunshine days in October: 16.7 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in October
Princeton, ID
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in October
Princeton, ID
- Average cloud cover in October: 33
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in October
Princeton, ID
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Princeton, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location