October weather forecast
Marion, IL

Weather in October

October, like September, in Marion, Illinois, is another comfortable autumn month, with average temperature varying between 49.3°F (9.6°C) and 67.3°F (19.6°C).

Temperature

In October, the average high-temperature decreases, from a warm 80.8°F (27.1°C) in September, to an enjoyable 67.3°F (19.6°C). The average low-temperature, in October, is 49.3°F (9.6°C).

Humidity

October is the least humid month, with an average relative humidity of 71%.

Rainfall

In Marion, during October, the rain falls for 8.5 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Marion, Illinois, during the entire year, the rain falls for 137.6 days and collects up to 23.03" (585mm) of precipitation.

Snowfall

Months with snowfall in Marion are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. In Marion, Illinois, during the entire year, snow falls for 14.5 days, and aggregates up to 4.13" (105mm) of snow.

Daylight

The average length of the day in Marion is 11.2h.

Sunshine

The average sunshine in Marion is 6.5h.

UV index

In Marion, Illinois, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the least humid month in Marion?

October is the least humid month, with an average relative humidity of 71%.

What is the average humidity in October in Marion?

In Marion, the average relative humidity in October is 71%.

How much does it rain in Marion in October?

In October, in Marion, Illinois, the rain falls for 8.5 days. Throughout October, 1.89" (48mm) of precipitation is accumulated.

When does it start snowing in Marion?

October is the first month it typically snows in Marion, Illinois. Throughout October, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does Marion have in October?

In October, the average length of the day in Marion is 11.2h.

How many hours of sunshine does Marion have in October?

In Marion, the average sunshine in October is 6.5h.

How high is the UV index in October in Marion?

In Marion, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in October
Marion, IL

Average temperature in October - Marion, IL
  • Average high temperature in October: 67.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in October: 49.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

[Resources]

Average pressure in October
Marion, IL

Average pressure in October - Marion, IL
  • Average pressure in October: 30.04"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.94").

[Resources]

Average wind speed in October
Marion, IL

Average wind speed in October - Marion, IL
  • Average wind speed in October: 8.1mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

[Resources]

Average humidity in October
Marion, IL

Average humidity in October - Marion, IL
  • Average humidity in October: 71%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

[Resources]

Average rainfall in October
Marion, IL

Average rainfall in October - Marion, IL
  • Average rainfall in October: 1.89"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.1").

[Resources]

Average rainfall days in October
Marion, IL

Average rainfall days in October - Marion, IL
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (7.8 days).

[Resources]

Average snowfall in October
Marion, IL

Average snowfall in October - Marion, IL
  • Average snowfall in October: 0.12"

Months with the highest snowfall are January and February (0.94").
Months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in October
Marion, IL

Average snowfall days in October - Marion, IL
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is February (4.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in October /
Average sunshine in October
Marion, IL

Average daylight in October / Average sunshine in October - Marion, IL
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in October: 6.5h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 4.6h).

[Resources]

Average sunshine days in October
Marion, IL

Average sunshine days in October - Marion, IL
  • Average sunshine days in October: 20.6 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (12.9 days).

[Resources]

Average UV index in October
Marion, IL

Average UV index in October - Marion, IL
  • Average UV index in October: 3

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

[Resources]

Average cloud cover in October
Marion, IL

Average cloud cover in October - Marion, IL
  • Average cloud cover in October: 32

The month with the most cloud cover is February (Cloud cover 51).
Months with the least cloud cover are June, August and September (Cloud cover 28).

[Resources]

Average visibility in October
Marion, IL

Average visibility in October - Marion, IL
  • Average visibility in October: 6mi

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location