October weather forecast
Zionsville, IN

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Weather in October

October, like September, in Zionsville, Indiana, is another enjoyable autumn month, with an average temperature ranging between min 46.9°F (8.3°C) and max 62.1°F (16.7°C).

Temperature

Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 75.4°F (24.1°C) to a comfortable 62.1°F (16.7°C). Zionsville experiences an average low-temperature of 46.9°F (8.3°C) in the month of October.

Humidity

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

Rainfall

In Zionsville, in October, it is raining for 9.3 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, in Zionsville, there are 121.7 rainfall days, and 11.69" (297mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Zionsville 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 0.04" (1mm) of snow. Throughout the year, in Zionsville, Indiana, there are 25.8 snowfall days, and 3.74" (95mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 8min.
On the first day of October in Zionsville, sunrise is at 7:42 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 6:43 pm EDT.

Sunshine

The average sunshine in October is 6.5h.

UV index

The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in October interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Stay sun-safe with clothing that is both closely woven and worn loosely. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What are the temperatures in Zionsville in October?

The average high-temperature and low-temperature in Zionsville, Indiana, during October are 62.1°F (16.7°C) and 46.9°F (8.3°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 87.8°F (31°C).

What is the least humid month in Zionsville?

The least humid month in Zionsville is October, with an average relative humidity of 74%.

What is the average humidity in October in Zionsville?

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

How many days does it rain in October in Zionsville?

In Zionsville, in October, during 9.3 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

When does it start to snow in Zionsville?

October is the first month it typically snows in Zionsville. Throughout October, in the average 0.5 snowfall days, it receives 0.04" (1mm) of snow.

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

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

What time are sunrise and sunset in October in Zionsville?

On the first day of October in Zionsville, Indiana, sunrise is at 7:42 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 6:43 pm EDT.

How many hours of sunshine does Zionsville have in October?

In Zionsville, Indiana, the average sunshine duration in October is 6.5h.

What is the UV index intensity in October in Zionsville?

In Zionsville, Indiana, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
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
Zionsville, IN

Average temperature in October - Zionsville, IN
  • Average high temperature in October: 62.1°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in October: 46.9°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 (20.3°F).

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Average pressure in October
Zionsville, IN

Average pressure in October - Zionsville, 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
Zionsville, IN

Average wind speed in October - Zionsville, IN
  • Average wind speed in October: 8.6mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in October
Zionsville, IN

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

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

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Average rainfall in October
Zionsville, IN

Average rainfall in October - Zionsville, IN
  • Average rainfall in October: 0.83"

The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in October
Zionsville, IN

Average rainfall days in October - Zionsville, IN
  • Average rainfall days in October: 9.3 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in October
Zionsville, IN

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

The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Zionsville, IN

Average snowfall days in October - Zionsville, IN
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (7.3 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
Zionsville, IN

Average daylight in October / Average sunshine in October - Zionsville, 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 3min

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
Zionsville, IN

Average sunshine days in October - Zionsville, IN
  • Average sunshine days in October: 18.9 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in October
Zionsville, IN

Average UV index in October - Zionsville, IN
  • 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 December (UV index 1).

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Average cloud cover in October
Zionsville, IN

Average cloud cover in October - Zionsville, IN
  • Average cloud cover in October: 38

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
Zionsville, IN

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

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