Waterloo, Indiana Climate
United States
Pop. 2,248 Elev. 278 m / 912 ft
TZ: America/Indiana/Indianapolis (UTC-4) ·
Waterloo is largely arid, with warm summers peaking at 85°F (29°C) in July and cold winters around 18°F (-8°C) in January. Humidity pushes the summer feels-like temperature to 93°F (34°C), while wind chill can drive winter lows to 8°F (-13°C). Precipitation occurs on roughly 49 days per year (32.5 in / 826 mm total), with snow on 5 days and 44 in (1112 mm) of annual accumulation. The city averages 113 sunny days per year and around 34 thunderstorm days. Nearby lake water reaches 78°F (25°C) in summer.
| Temperature | 85°F (29°C) high | 18°F (-8°C) low |
| Feels like | 93°F (34°C) high | 8°F (-13°C) low |
| Rain | 49 days | 32.5 in (826 mm) /yr |
| Snow | 5 days | 43.8 in (1112 mm) /yr |
| Sky | 113 sunny | 34 stormy |
| Wind | 2.9 mph (1.3 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 (%)
72
Jan 76
Feb 60
Mar 65
Apr 66
May 56
Jun 58
Jul 47
Aug 34
Sep 40
Oct 59
Nov 78
Dec Humidity (%)
69
Jan 70
Feb 61
Mar 60
Apr 69
May 69
Jun 72
Jul 69
Aug 63
Sep 62
Oct 71
Nov 80
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 33 mi Fort Wayne International Airport (FWA)
Ski resort 50 mi Nappanee Sledding Hill
National park 120 mi Fort Harrison State Park
Mountain peak
(5,053 ft) 376 mi Grave Mountain
Hospital 4 mi DeKalb Health
Hiking trail 16 mi Muskrat Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 29°F -1°C | 18°F -8°C | 1.0 in 25 mm | 8.6 in219 mm | 5 |
| February | 35°F 2°C | 22°F -6°C | 0.4 in 11 mm | 12.1 in308 mm | 2 |
| March | 55°F 13°C | 35°F 2°C | 4.6 in 117 mm | 1.8 in45 mm | 7 |
| April | 61°F 16°C | 42°F 5°C | 3.9 in 98 mm | 0.2 in6 mm | 7 |
| May | 68°F 20°C | 50°F 10°C | 4.8 in 123 mm | — | 7 |
| June | 81°F 27°C | 64°F 18°C | 3.8 in 98 mm | — | 11 |
| July | 85°F 29°C | 68°F 20°C | 5.8 in 149 mm | — | 11 |
| August | 80°F 26°C | 61°F 16°C | 1.6 in 41 mm | — | 14 |
| September | 78°F 26°C | 55°F 13°C | 1.0 in 25 mm | — | 19 |
| October | 67°F 19°C | 46°F 8°C | 2.2 in 57 mm | — | 17 |
| November | 48°F 9°C | 34°F 1°C | 1.2 in 31 mm | 12.3 in312 mm | 11 |
| December | 36°F 2°C | 20°F -6°C | 2.1 in 53 mm | 8.7 in222 mm | 2 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 5 | 1 |
| February | 2 | 0 |
| March | 7 | 6 |
| April | 7 | 4 |
| May | 7 | 5 |
| June | 11 | 5 |
| July | 11 | 7 |
| August | 14 | 1 |
| September | 19 | 0 |
| October | 17 | 3 |
| November | 11 | 0 |
| December | 2 | 2 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 41°F 5°C |
| April | 51°F 11°C |
| May | 59°F 15°C |
| June | 72°F 22°C |
| July | 78°F 25°C |
| August | 72°F 22°C |
| September | 67°F 19°C |
| October | 56°F 13°C |
| November | 40°F 5°C |
| December | 32°F 0°C |