October weather forecast
Gary, IN

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A large, historic building used as an administration block in Gary, Indiana
A large, historic building used as an administration block in Gary, Indiana

Weather in October

October brings visible changes to Gary's weather. A notable drop in temperature from September ushers in cooler weather. There is also a marked reduction in daylight hours, heralding the onset of shorter days. The city also observes a drop in sunshine hours, signaling the approach of winter. Despite these changes, October carries the essence of fall, with colorful trees and crisp air, before winter stakes its claim.

Temperature

Gary's progression into October involves a drop in the average high-temperature, receding from a pleasant 72.9°F (22.7°C) in September to a mild 60.3°F (15.7°C). Throughout October, Gary witnesses a consistent average low-temperature of 48.4°F (9.1°C).

Humidity

October is the least humid month, with an average relative humidity of 73%.

Rainfall

In Gary, in October, during 14.2 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Gary, during the entire year, the rain falls for 153.8 days and collects up to 25.51" (648mm) of precipitation.

Snowfall

Months with snowfall in Gary are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. In Gary, during the entire year, snow falls for 45.1 days and aggregates up to 12.36" (314mm) of snow.

Daylight

In Gary, the average length of the day in October is 11h and 4min.
On the first day of the month, sunrise is at 6:47 am and sunset at 6:30 pm. On the last day of October, sunrise is at 7:20 am and sunset at 5:44 pm CDT.

Sunshine

The average sunshine in October is 5.9h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 3 during October, leads to the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's radiation is especially intense around midday; try to stay in shade during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

The high-temperature, in October, in Gary, is 60.3°F (15.7°C), while the low-temperature averages to 48.4°F (9.1°C).

What is the least humid month?

The least humid month is October, with an average relative humidity of 73%.

What is the average humidity in October?

In October, the average relative humidity is 73%.

How much does it rain in October?

In October, the rain falls for 14.2 days. Throughout October, 1.97" (50mm) of precipitation is accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow.

What is the average length of the day in October?

In Gary, the average day length in October is 11h and 4min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 6:47 am and sunset at 6:30 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:44 pm CDT.

How long on average sun shines in October?

In Gary, the average sunshine duration in October is 5.9h.

What is the UV index reading in October?

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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Gary, IN

Average temperature in October - Gary, IN
  • Average high temperature in October: 60.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in October: 48.4°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in October
Gary, IN

Average pressure in October - Gary, IN
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Gary, IN

Average wind speed in October - Gary, IN
  • Average wind speed in October: 10.1mph

The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in October
Gary, IN

Average humidity in October - Gary, IN
  • Average humidity in October: 73%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in October
Gary, IN

Average rainfall in October - Gary, IN
  • Average rainfall in October: 1.97"

The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is December (1.1").

Average rainfall days in October
Gary, IN

Average rainfall days in October - Gary, IN
  • Average rainfall days in October: 14.2 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in October
Gary, IN

Average snowfall in October - Gary, IN
  • Average snowfall in October: 0.08"

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Gary, IN

Average snowfall days in October - Gary, IN
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (13.4 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
Gary, IN

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in October
Gary, IN

Average sunshine days in October - Gary, IN
  • Average sunshine days in October: 14.3 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in October
Gary, IN

Average UV index in October - Gary, IN
  • Average UV index in October: 3

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).

Average cloud cover in October
Gary, IN

Average cloud cover in October - Gary, IN
  • Average cloud cover in October: 41

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in October
Gary, IN

Average visibility in October - Gary, 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).

Gary, Indiana, USA

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