October weather forecast
Sullivan, OH

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Weather in October

October, like September, in Sullivan, Ohio, is another comfortable autumn month, with temperature in the range of an average low of 44.8°F (7.1°C) and an average high of 61°F (16.1°C).

Temperature

Sullivan, Ohio, in October demonstrates a small temperature transition, adjusting from an average high of a moderately hot 73.4°F (23°C) in September to an enjoyable 61°F (16.1°C). Sullivan's nights in October experience an average temperature drop to a frosty 44.8°F (7.1°C).

Humidity

The average relative humidity in October is 79%.

Rainfall

In Sullivan, in October, during 9.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 128.1 rainfall days, and 13.31" (338mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 38.5 snowfall days, and 5.55" (141mm) of snow is accumulated.

Daylight

In October, the average length of the day in Sullivan is 11h and 6min.
On the first day of the month, sunrise is at 7:26 am and sunset at 7:10 pm. On the last day of October, in Sullivan, sunrise is at 7:59 am and sunset at 6:25 pm EDT.

Sunshine

In October, the average sunshine is 5.5h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 in October interprets into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature in Sullivan?

The high-temperature during October is 61°F (16.1°C) and the low-temperature is 44.8°F (7.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in July is calculated to be 86°F (30°C).

What is the average humidity in October in Sullivan?

The average relative humidity in October is 79%.

How many days does it rain in October in Sullivan?

In Sullivan, Ohio, in October, it is raining for 9.5 days, with typically 0.91" (23mm) of accumulated precipitation.

When does it start snowing in Sullivan?

October is the first month it typically snows in Sullivan, Ohio. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

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

In Sullivan, the average day length in October is 11h and 6min.

When are sunrise and sunset in October in Sullivan?

On the first day of October in Sullivan, Ohio, sunrise is at 7:26 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 6:25 pm EDT.

How long on average sun shines in October in Sullivan?

The average sunshine duration in October in Sullivan is 5.5h.

What is the UV index intensity in October in Sullivan?

In October, the average daily maximum UV index in Sullivan, Ohio, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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
Sullivan, OH

Average temperature in October - Sullivan, OH
  • Average high temperature in October: 61°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in October: 44.8°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in October
Sullivan, OH

Average pressure in October - Sullivan, OH
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Sullivan, OH

Average wind speed in October - Sullivan, OH
  • Average wind speed in October: 7.8mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in October
Sullivan, OH

Average humidity in October - Sullivan, OH
  • Average humidity in October: 79%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and November (78%).

Average rainfall in October
Sullivan, OH

Average rainfall in October - Sullivan, OH
  • Average rainfall in October: 0.91"

The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in October
Sullivan, OH

Average rainfall days in October - Sullivan, OH
  • Average rainfall days in October: 9.5 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.9 days).

Average snowfall in October
Sullivan, OH

Average snowfall in October - Sullivan, OH
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Sullivan, OH

Average snowfall days in October - Sullivan, OH
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Sullivan, OH
  • 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 18min).

  • Average sunshine in October: 5h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in October
Sullivan, OH

Average sunshine days in October - Sullivan, OH
  • Average sunshine days in October: 19.6 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in October
Sullivan, OH

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in October
Sullivan, OH

Average cloud cover in October - Sullivan, OH
  • Average cloud cover in October: 47

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in October
Sullivan, OH

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

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

Sullivan, Ohio, USA

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