Decatur, Indiana Climate
United States
Pop. 9,465 Elev. 245 m / 804 ft
TZ: America/Indiana/Indianapolis (UTC-4) ·
Summers in Decatur are warm, with July highs around 85°F (29°C), while winters are frigid with January lows of 18°F (-8°C). Humidity pushes the summer feels-like temperature to 95°F (35°C), while wind chill can drive winter lows to 8°F (-13°C). Expect around 50 rainy days annually (32.6 in / 828 mm total), with snow on 2 days and 31 in (795 mm) of annual accumulation. The city averages 108 sunny days per year and around 27 thunderstorm days.
| Temperature | 85°F (30°C) high | 18°F (-8°C) low |
| Feels like | 95°F (35°C) high | 8°F (-14°C) low |
| Rain | 50 days | 32.6 in (828 mm) /yr |
| Snow | 2 days | 31.3 in (795 mm) /yr |
| Sky | 108 sunny | 27 stormy |
| Wind | 3.4 mph (1.5 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
62
Jan 73
Feb 59
Mar 65
Apr 65
May 56
Jun 60
Jul 46
Aug 32
Sep 43
Oct 58
Nov 76
Dec Humidity (%)
67
Jan 68
Feb 55
Mar 58
Apr 67
May 68
Jun 73
Jul 68
Aug 58
Sep 59
Oct 67
Nov 76
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 17 mi Fort Wayne International Airport (FWA)
Ski resort 70 mi Nappanee Sledding Hill
National park 87 mi Fort Harrison State Park
Mountain peak
(5,053 ft) 338 mi Grave Mountain
Hospital 1 mi Adams Memorial Hospital
Hiking trail 12 mi Trail 1
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 30°F -1°C | 18°F -8°C | 0.9 in 22 mm | 8.3 in211 mm | 7 |
| February | 38°F 3°C | 24°F -5°C | 1.2 in 30 mm | 8.7 in220 mm | 2 |
| March | 58°F 15°C | 37°F 3°C | 4.3 in 109 mm | 0.6 in15 mm | 7 |
| April | 64°F 18°C | 44°F 7°C | 4.8 in 121 mm | 0.2 in4 mm | 6 |
| May | 70°F 21°C | 52°F 11°C | 4.0 in 102 mm | — | 5 |
| June | 82°F 28°C | 66°F 19°C | 5.2 in 132 mm | — | 10 |
| July | 85°F 30°C | 69°F 21°C | 4.7 in 118 mm | — | 11 |
| August | 81°F 27°C | 62°F 17°C | 1.4 in 36 mm | — | 13 |
| September | 81°F 27°C | 56°F 13°C | 1.1 in 29 mm | — | 19 |
| October | 69°F 20°C | 47°F 8°C | 2.2 in 55 mm | — | 17 |
| November | 51°F 10°C | 35°F 2°C | 1.4 in 36 mm | 6.6 in168 mm | 9 |
| December | 38°F 3°C | 22°F -5°C | 1.5 in 38 mm | 7.0 in177 mm | 2 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 7 | 0 |
| February | 2 | 0 |
| March | 7 | 2 |
| April | 6 | 4 |
| May | 5 | 5 |
| June | 10 | 5 |
| July | 11 | 7 |
| August | 13 | 2 |
| September | 19 | 1 |
| October | 17 | 1 |
| November | 9 | 0 |
| December | 2 | 0 |