NOAA NCEI Climate Normals 1991–2020
Indiana Weather by Month
Temperature, rain and the hurricane season at 101 Indiana stations, month by month.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
The median station records 42.9 inches of precipitation a year; Stendal, IN records the most, 52.4 inches, and Valparaiso Porter Co Municipal Airport, IN the least, 33.3 (1.6 times as much). July is the hottest month at the median station (average high 84°F); the hottest July is at Evansville Museum, IN, 89°F. January is the coldest (average low 18°F); the coldest January nights are at Lakeville, IN, 15°F. Highs reach 90°F on 17 days a year at the median station and on 57 at Evansville Museum, IN, the most. Snowfall is heaviest at Laporte, IN, 65.2 inches a year.
This page compares the 1991–2020 NOAA climate normals of 101 Indiana weather stations, each the nearest station with full normals to at least one of the 356 Indiana cities on this site that have one within 25 miles.
At the median station, June is the wettest month (4.8 inches) and February the driest (2.4). Station by station, the wettest month is June at 52, May at 34 and April at 11 of the 101, and the driest February at 88, August at 9 and October at 2. The gap between the wettest and driest station is widest in March: 3.0 inches.
Month by month across Indiana
High, low and precipitation are the median of the 101 stations; the station columns name the station with the highest average high, the lowest average low, and the most and least precipitation that month, each linked to the city page it serves. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Hurricane season in Indiana
June to November, the hurricane season months, bring 53% of the year's precipitation at the median station, from 46% at Newburgh L&D, IN to 59% at Valparaiso Porter Co Municipal Airport, IN. Since 1851, 10 tropical systems have passed within 75 miles of a Indiana city on this site, 0 of them at hurricane strength at their closest point to one; September has brought the most (5), then August (2). None came outside June to November.
| Month | Tropical systems | At hurricane strength | Median precip. in |
|---|---|---|---|
| Jan | 0 | 0 | 2.9 |
| Feb | 0 | 0 | 2.4 |
| Mar | 0 | 0 | 3.2 |
| Apr | 0 | 0 | 4.3 |
| May | 0 | 0 | 4.7 |
| Jun | 1 | 0 | 4.8 |
| Jul | 0 | 0 | 4.3 |
| Aug | 2 | 0 | 3.7 |
| Sep | 5 | 0 | 3.3 |
| Oct | 2 | 0 | 3.3 |
| Nov | 0 | 0 | 3.4 |
| Dec | 0 | 0 | 2.9 |
Tropical systems from NOAA NHC HURDAT2 that passed within 75 miles of a Indiana city on this site, each counted once, in the month of its first such pass; hurricane strength is the track's wind at its closest point to a city.
Indiana cities and their stations
| City | Station | Miles | Hottest month high °F | Coldest month low °F | Year precip. in |
|---|---|---|---|---|---|
| Indianapolis | Indianapolis SE Side, IN | 7 | 84 | 19 | 44.6 |
| Westfield | Carmel 3 E, IN | 7 | 84 | 19 | 44.7 |
| Brownsburg | Indianapolis Eagle Creek Airport, IN | 5 | 85 | 21 | 40.9 |
| Avon | Indianapolis Eagle Creek Airport, IN | 7 | 85 | 21 | 40.9 |
| Plainfield | Indianapolis, IN | 6 | 85 | 21 | 43.6 |
| Zionsville | Whitestown, IN | 5 | 83 | 20 | 41.5 |
| Camby | Indianapolis, IN | 6 | 85 | 21 | 43.6 |
| Danville | Jamestown 2 E, IN | 12 | 83 | 18 | 43.3 |
| Beech Grove | Indianapolis SE Side, IN | 1 | 84 | 19 | 44.6 |
| Cicero | Tipton 5 SW, IN | 8 | 85 | 17 | 42.4 |
| Pittsboro | Jamestown 2 E, IN | 8 | 83 | 18 | 43.3 |
How stations are matched to cities and what normals are: methodology · other states by month