October weather forecast
Princeton, IN

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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.
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Frequently asked questions

What are the temperatures in Princeton in October?

In October, in Princeton, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 49.8°F (9.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 91.4°F (33°C).

What is the least humid month in Princeton?

The least humid month in Princeton is October, with an average relative humidity of 70%.

What is the average humidity in October in Princeton?

The average relative humidity in October is 70%.

How many days does it rain in October in Princeton?

In October, the rain falls for 9.6 days. Throughout October, 1.85" (47mm) of precipitation is accumulated.

When it does not snow in Princeton?

May through October are months without snowfall in Princeton, Indiana.

Does it snow in Princeton in October?

In Princeton, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Princeton have in October?

The average day length in October is 11h and 11min.

When are sunrise and sunset in October in Princeton?

In October, on the first day of the month, sunrise is at 6:46 am and sunset at 6:32 pm. On the last day of the month, in Princeton, sunrise is at 7:16 am and sunset at 5:51 pm CDT.

How long on average sun shines in October in Princeton?

In October, the average sunshine duration in Princeton, Indiana, is 6.9h.

What is the UV index intensity in October in Princeton?

In Princeton, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Princeton, IN

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).

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Average pressure in October
Princeton, IN

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).

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Average wind speed in October
Princeton, IN

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).

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Average humidity in October
Princeton, IN

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%).

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Average rainfall in October
Princeton, IN

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").

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Average rainfall days in October
Princeton, IN

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).

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Average snowfall in October
Princeton, IN

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").

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Average snowfall days in October
Princeton, IN

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).

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Average daylight in October /
Average sunshine in October
Princeton, IN

Average daylight in October / Average sunshine in October - Princeton, IN
  • Average daylight in October: 11h and 1min

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 5min

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).

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Average sunshine days in October
Princeton, IN

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).

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Average UV index in October
Princeton, IN

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).

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Average cloud cover in October
Princeton, IN

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).

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Average visibility in October
Princeton, IN

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).

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Princeton, Indiana, USA

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