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
The average high-temperature decreases in October, shifting from a moderately hot 74.1°F (23.4°C) in September to a moderate 60.4°F (15.8°C). An average low-temperature of 44.2°F (6.8°C) is common in Princeton during the nights of October.Humidity
With an average relative humidity of 73%, October is the least humid month.Rainfall
In Princeton, during October, the rain falls for 12.8 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Princeton, during the entire year, the rain falls for 146.6 days and collects up to 28.86" (733mm) 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 0.5 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, there are 40.4 snowfall days, and 14.72" (374mm) of snow is accumulated.Daylight
In Princeton, the average length of the day in October is 11h and 4min.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, sunrise is at 7:33 am and sunset at 5:56 pm CDT.
Sunshine
The average sunshine in October is 5.4h.UV index
The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during October translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the least humid month?
What is the average humidity in October?
How much does it rain in Princeton in October?
When does it start to snow?
What is the average length of the day in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index intensity in October?
Average temperature in October
Princeton, IA
- Average high temperature in October: 60.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in October: 44.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in October
Princeton, IA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Princeton, IA
- Average wind speed in October: 9.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in October
Princeton, IA
- Average humidity in October: 73%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Princeton, IA
- Average rainfall in October: 2.64"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and February (1.34").
Average rainfall days in October
Princeton, IA
- Average rainfall days in October: 12.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in October
Princeton, IA
- Average snowfall in October: 0.43"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Princeton, IA
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (12.3 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, IA
- Average daylight in October: 11h and 1min
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 12min).
- Average sunshine in October: 5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Princeton, IA
- Average sunshine days in October: 16.3 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in October
Princeton, IA
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Princeton, IA
- Average cloud cover in October: 39
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in October
Princeton, IA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Princeton, Iowa, USA
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