October weather forecast
Castleton, IN

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Weather in October

October, like September, in Castleton, Indiana, is another enjoyable autumn month, with an average temperature ranging between min 47.1°F (8.4°C) and max 62.8°F (17.1°C).

Temperature

With the onset of October, Castleton's average high-temperature adjusts, receding from September's warm 75.4°F (24.1°C) to an enjoyable 62.8°F (17.1°C). During October, the nighttime temperature in Castleton averages of 47.1°F (8.4°C).

Humidity

With an average relative humidity of 74%, October is the least humid month.

Rainfall

In October, in Castleton, the rain falls for 10.7 days. Throughout October, 1.38" (35mm) of precipitation is accumulated. Throughout the year, in Castleton, Indiana, there are 141 rainfall days, and 20.98" (533mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows in Castleton. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Castleton, during the entire year, snow falls for 29.1 days and aggregates up to 7.99" (203mm) of snow.

Daylight

In October, the average length of the day in Castleton is 11h and 8min.
On the first day of the month, sunrise is at 7:41 am and sunset at 7:26 pm. On the last day of October, sunrise is at 8:12 am and sunset at 6:42 pm EDT.

Sunshine

The average sunshine in October in Castleton is 6.4h.

UV index

In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 2 in October translates into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What are October temperatures in Castleton?

In Castleton, 62.8°F (17.1°C) is the average high-temperature and 47.1°F (8.4°C) is the average low-temperature during October. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is estimated at 87.8°F (31°C).

What is the least humid month in Castleton?

October is the least humid month, with an average relative humidity of 74%.

What is the average humidity in October in Castleton?

In Castleton, Indiana, the average relative humidity in October is 74%.

How much does it rain in Castleton in October?

In Castleton, in October, during 10.7 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

When does it start to snow in Castleton?

October is the first month it typically snows in Castleton, Indiana. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in October in Castleton?

The average day length in October in Castleton is 11h and 8min.

When is the sunrise / sunset in October in Castleton?

In October, on the first day of the month, sunrise is at 7:41 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 6:42 pm EDT.

How many hours of sunshine does Castleton have in October?

In October, the average sunshine duration in Castleton, Indiana, is 6.4h.

How high is the UV index in October in Castleton?

In Castleton, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Castleton, IN

Average temperature in October - Castleton, IN
  • Average high temperature in October: 62.8°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in October: 47.1°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in October
Castleton, IN

Average pressure in October - Castleton, IN
  • Average pressure in October: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Castleton, IN

Average wind speed in October - Castleton, IN
  • Average wind speed in October: 8.5mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in October
Castleton, IN

Average humidity in October - Castleton, IN
  • Average humidity in October: 74%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in October
Castleton, IN

Average rainfall in October - Castleton, IN
  • Average rainfall in October: 1.38"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is February (1.18").

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Average rainfall days in October
Castleton, IN

Average rainfall days in October - Castleton, IN
  • Average rainfall days in October: 10.7 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6 days).

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Average snowfall in October
Castleton, IN

Average snowfall in October - Castleton, IN
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Castleton, IN

Average snowfall days in October - Castleton, IN
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 24min).

  • Average sunshine in October: 6h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in October
Castleton, IN

Average sunshine days in October - Castleton, IN
  • Average sunshine days in October: 18.7 days

The months with the most sunshine days are October and November (18.7 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in October
Castleton, IN

Average UV index in October - Castleton, 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).

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Average cloud cover in October
Castleton, IN

Average cloud cover in October - Castleton, IN
  • Average cloud cover in October: 39

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in October
Castleton, IN

Average visibility in October - Castleton, 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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Castleton, Indiana, USA

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