October weather forecast
Exeter, IL

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Weather in October

October, the same as September, is another comfortable autumn month in Exeter, Illinois, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 64.2°F (17.9°C).

Temperature

A moderate decline in the average high-temperature is seen during October, decreasing from a moderately hot 78.1°F (25.6°C) in September to a refreshing 64.2°F (17.9°C). The average low-temperature of 47.3°F (8.5°C) is witnessed during October.

Humidity

With an average relative humidity of 71%, October is the least humid month in Exeter.

Rainfall

In Exeter, during October, the rain falls for 12.1 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, there are 155.4 rainfall days, and 31.69" (805mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Exeter. October is the first month it typically snows in Exeter. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 30.2 snowfall days, and 10.75" (273mm) of snow is accumulated.

Daylight

In Exeter, the average length of the day in October is 11h and 8min.
On the first day of the month, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:30 am and sunset at 6:00 pm CDT.

Sunshine

In October, the average sunshine in Exeter is 5.9h.

UV index

The average daily maximum UV index in October in Exeter is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in October transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October in Exeter?

October temperatures in Exeter, Illinois, vary between a high-temperature of 64.2°F (17.9°C) and a low-temperature of 47.3°F (8.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 91.4°F (33°C).

What is the least humid month in Exeter?

The least humid month in Exeter, Illinois, is October, with an average relative humidity of 71%.

What is the average humidity in October in Exeter?

The average relative humidity in October is 71%.

How many days does it rain in October in Exeter?

In Exeter, Illinois, in October, it is raining for 12.1 days, with typically 2.8" (71mm) of accumulated precipitation.

When does it start snowing in Exeter?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

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

In October, the average day length in Exeter is 11h and 8min.

When are sunrise and sunset in October in Exeter?

In October, on the first day of the month, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, in Exeter, sunrise is at 7:30 am and sunset at 6:00 pm CDT.

How many hours of sunshine does Exeter have in October?

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

What is the UV index intensity in October in Exeter?

The average daily maximum UV index in October in Exeter is 3. A UV Index value 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
Exeter, IL

Average temperature in October - Exeter, IL
  • Average high temperature in October: 64.2°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in October: 47.3°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in October
Exeter, IL

Average pressure in October - Exeter, IL
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Exeter, IL

Average wind speed in October - Exeter, IL
  • Average wind speed in October: 8.5mph

The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in October
Exeter, IL

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

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Exeter, IL

Average rainfall in October - Exeter, IL
  • Average rainfall in October: 2.8"

The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").

Average rainfall days in October
Exeter, IL

Average rainfall days in October - Exeter, IL
  • Average rainfall days in October: 12.1 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).

Average snowfall in October
Exeter, IL

Average snowfall in October - Exeter, IL
  • Average snowfall in October: 0.08"

The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Exeter, IL

Average snowfall days in October - Exeter, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (9.8 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
Exeter, IL

Average daylight in October / Average sunshine in October - Exeter, IL
  • 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: 5h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in October
Exeter, IL

Average sunshine days in October - Exeter, IL
  • Average sunshine days in October: 17.2 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).

Average UV index in October
Exeter, IL

Average UV index in October - Exeter, IL
  • 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
Exeter, IL

Average cloud cover in October - Exeter, IL
  • Average cloud cover in October: 34

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).

Average visibility in October
Exeter, IL

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

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

Exeter, Illinois, USA

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