October weather forecast
Collinsville, OH

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Weather in October

October, the same as September, is another enjoyable autumn month in Collinsville, Ohio, with an average temperature varying between 46.6°F (8.1°C) and 63°F (17.2°C).

Temperature

The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a moderately hot 75.4°F (24.1°C) in September to an enjoyable 63°F (17.2°C). Throughout October, an average low-temperature of 46.6°F (8.1°C) is expected in Collinsville.

Humidity

The months with the lowest humidity are October and November, with an average relative humidity of 75%.

Rainfall

In Collinsville, in October, during 12.9 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 169 rainfall days, and 31.85" (809mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Collinsville. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 40.7 snowfall days, and 12.48" (317mm) of snow is accumulated.

Daylight

In Collinsville, the average length of the day in October is 11h and 9min.
On the first day of the month, sunrise is at 7:35 am and sunset at 7:20 pm. On the last day of October, in Collinsville, sunrise is at 8:06 am and sunset at 6:37 pm EDT.

Sunshine

The average sunshine in October is 6.6h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 3 in October translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

An average high-temperature, in October, in Collinsville, is 63°F (17.2°C) and the average low-temperature is 46.6°F (8.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is evaluated at 86°F (30°C).

What is the least humid month?

October and November, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in October?

The average relative humidity in October in Collinsville is 75%.

How much does it rain in October?

In Collinsville, in October, during 12.9 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow.

What is the average length of the day in October?

In October, the average day length is 11h and 9min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:35 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 6:37 pm EDT.

How long on average sun shines in October?

In Collinsville, the average sunshine duration in October is 6.6h.

How high is the UV index in October?

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Collinsville, OH

Average temperature in October - Collinsville, OH
  • Average high temperature in October: 63°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 (34°F).

  • Average low temperature in October: 46.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in October
Collinsville, OH

Average pressure in October - Collinsville, OH
  • Average pressure in October: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Collinsville, OH

Average wind speed in October - Collinsville, OH
  • Average wind speed in October: 8mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in October
Collinsville, OH

Average humidity in October - Collinsville, OH
  • Average humidity in October: 75%

The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in October
Collinsville, OH

Average rainfall in October - Collinsville, OH
  • Average rainfall in October: 2.28"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in October
Collinsville, OH

Average rainfall days in October - Collinsville, OH
  • Average rainfall days in October: 12.9 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.2 days).

Average snowfall in October
Collinsville, OH

Average snowfall in October - Collinsville, OH
  • Average snowfall in October: 0.2"

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
Collinsville, OH

Average snowfall days in October - Collinsville, OH
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Collinsville, OH

Average daylight in October / Average sunshine in October - Collinsville, OH
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 6h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in October
Collinsville, OH

Average sunshine days in October - Collinsville, OH
  • Average sunshine days in October: 16.3 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (8.8 days).

Average UV index in October
Collinsville, OH

Average UV index in October - Collinsville, OH
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in October
Collinsville, OH

Average cloud cover in October - Collinsville, OH
  • Average cloud cover in October: 37

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in October
Collinsville, OH

Average visibility in October - Collinsville, OH
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Collinsville, Ohio, USA

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