Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The shift from September to October involves a decrease in the average high-temperature, from a moderately hot 77.7°F (25.4°C) to a refreshing 65.1°F (18.4°C). Sullivan experiences a mean low-temperature of 48.4°F (9.1°C) during October.Humidity
October is the least humid month, with an average relative humidity of 71%.Rainfall
In Sullivan, in October, during 10.7 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 150.1 rainfall days, and 28.5" (724mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Sullivan, the average length of the day in October is 11h and 10min.On the first day of the month, sunrise is at 7:46 am and sunset at 7:31 pm. On the last day of October, sunrise is at 8:16 am and sunset at 6:49 pm EDT.
Sunshine
In October, the average sunshine is 7.1h.UV index
The average daily maximum UV index in October in Sullivan, Indiana, is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In October, the maximum UV index of 3 suggests this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October in Sullivan?
When it does not snow?
Does it snow in October?
How many hours of daylight does Sullivan have in October?
When is the sunrise / sunset in October?
How many hours of sunshine does Sullivan have in October?
How high is the UV index in October in Sullivan?
Average temperature in October
Sullivan, IN
- Average high temperature in October: 65.1°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in October: 48.4°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 (23.2°F).
Average pressure in October
Sullivan, IN
- 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 (29.93"Hg).
Average wind speed in October
Sullivan, IN
- Average wind speed in October: 8.4mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in October
Sullivan, IN
- 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
Sullivan, IN
- Average rainfall in October: 1.89"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in October
Sullivan, IN
- Average rainfall days in October: 10.7 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in October
Sullivan, IN
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Sullivan, IN
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Sullivan, IN
- 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 30min).
- Average sunshine in October: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in October
Sullivan, IN
- Average sunshine days in October: 18.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in October
Sullivan, IN
- Average UV index in October: 3
The months with the highest UV index are May, 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
Sullivan, IN
- Average cloud cover in October: 34
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
Sullivan, 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).
Sullivan, Indiana, USA
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