Sullivan, Indiana 

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Weather in Sullivan, Indiana

The most pleasant months of the year for Sullivan are September, May and June. In Sullivan, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Sullivan with an average high temperature of 87.1°, which ranks it as warmer than most places in Indiana. January is the snowiest month in Sullivan with 4.1 inches of snow, and 4 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.


Today's Weather - Sullivan, IN

6 AM PST

Light Snow Likely

31°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodayLight Snow Likely36° / 29°W 9 to 16 mph
SundayChance Snow Showers then Light Snow Likely33° / 25°WSW 7 to 13 mph
M.L. King Jr. DayMostly Cloudy35° / 27°W 8 mph
TuesdaySlight Chance Light Snow then Mostly Cloudy38° / 22°W 5 to 9 mph
WednesdayMostly Sunny39° / 31°SW 3 to 10 mph
ThursdaySlight Chance Rain And Snow43° / 25°W 8 mph
FridayMostly Sunny35° / 20°NW 9 mph

Weather Highlights

Summer High: the July high is around 87 degrees
Winter Low: the January low is 21
Rain: averages 44 inches of rain a year
Snow: averages 12 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Sullivan area is 7.1 (10=best), which means it is more comfortable than most places in Indiana.

7.1 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January37° 21°
February42° 24°
March54° 33°
April66° 43°
May75° 54°
June84° 63°
July87° 66°
August86° 64°
September80° 56°
October68° 44°
November54° 35°
December41° 25°
Hot, Freezing, Rainy, Snowy Days: Sullivan
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January026103
February02292
March016101
April03110
May10130
June50100
July10090
August9080
September3070
October0380
November013100
December024112

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


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Reviews for Sullivan    1 Reviews
Life in small town.. - 6/24/2006
Nice quiet place to live and raise a family. Jobs are scarce but there are some within communting... Read More

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