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The climate of Indiana (United States of America)
The state of Indiana is located in the northern part of the United States of America. Among petrol heads the state is mainly known for the Indianapolis 500 mile race, also known as the Indy 500. This race is held annually on the Sunday prior to Memorial Day and is among the best known motor sports races in the world. The landscape of Indiana is quite flat, on average located at an altitude of 230 meters above sea level. Indiana has three climate zones. The most northerly located part has a moderate continental climate. in the south a small zone can be found with a warm maritime climate (type Cfa according to the Köppen climate classification). However, the largest part of Indiana has a warm continental climate (type Dfa according to the Köppen climate classification). This climate is characterized by warm to very warm summers and winters in which snowfall and longer periods with subzero temperatures are not uncommon. In January, which is the coldest month average minimum temperatures are -10 degrees Celsius (14 degrees Fahrenheit). During the warmest month, which is July temperatures are around 30 degrees Celsius (86 degrees Fahrenheit) or even higher in the southern part of the state. In the northern part of Indiana the vegetation period lasts 155 days per year, in the south 185 days. About half of the annual snowfall is caused by ‘Lake effect snow’. During cooler atmospheric conditions when cold winds move across long expanses of warmer lake water, water vapor is picked up. The vapor freezes and is deposited in the form of snow.

Climate information of places in Indiana
The climate information given on this page is only brief. Specific information on weather and climate can be found on the pages per region or city. The following climate information is available for Indiana:

Climate information
Throughout Indiana several climate figures and temperatures can be recorded. The figures below are for Indianapolis and cannot be seen as an average for this state. For climate figures for other places and regions in Indiana please, visit the individual climate pages.

	average  maximum temperature (°C)	average minimum temperature (°C)	average hours of sunshine per day	average days with precipitation per month	average mm precipitation per month	average sea temperature (°C)
January	1	-9	4	11		n/a
February	4	-7	5	10		n/a
March	10	-2	6	13		n/a
April	17	5	7	12		n/a
May	23	11	9	11		n/a
June	28	16	10	10		n/a
July	30	18	10	10		n/a
August	29	17	9	9		n/a
September	25	13	8	8		n/a
October	19	6	6	9		n/a
November	11	1	4	11		n/a
December	4	-5	3	13		n/a
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm = 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate tables are useful but they don’t give an overall picture of the climate and possible weather conditions during a period of time. How high the chances are of hot or cold weather or hurricanes can often not be found in these tables. This is why we offer extra climate information per month. The figures below apply to Indianapolis. For climate figures on specific regions and places please, visit the relevant individual climate pages

	chance of (very) hot weather	chance of (very) cool weather	chance of long-term precipitation	chance of hurricanes (cyclones)	chance of sunny days	UV-index
January
February
March
April
May
June
July
August
September
October
November
December
click here for the explanation of the symbols

Disclaimer
The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.