Portage, Indiana Climate
United States
Pop. 36,738 Elev. 199 m / 653 ft
TZ: America/Chicago (UTC-5) ·
Portage is largely arid, with warm summers peaking at 84°F (29°C) in July and cold winters around 18°F (-8°C) in January. Humidity pushes the summer feels-like temperature to 92°F (33°C), while wind chill can drive winter lows to 9°F (-13°C). Precipitation occurs on roughly 49 days per year (37.5 in / 951 mm total), with snow on 6 days and 43 in (1097 mm) of annual accumulation. The city averages 105 sunny days per year and around 37 thunderstorm days. Ocean water temperatures reach 77°F (25°C) in summer.
| Temperature | 84°F (29°C) high | 18°F (-8°C) low |
| Feels like | 92°F (33°C) high | 9°F (-13°C) low |
| Rain | 49 days | 37.5 in (951 mm) /yr |
| Snow | 6 days | 43.2 in (1097 mm) /yr |
| Sky | 105 sunny | 37 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
Sky & Air by Month
Cloud cover (%)
64
Jan 70
Feb 58
Mar 64
Apr 63
May 55
Jun 61
Jul 50
Aug 34
Sep 45
Oct 59
Nov 81
Dec Humidity (%)
63
Jan 67
Feb 62
Mar 63
Apr 71
May 70
Jun 75
Jul 74
Aug 70
Sep 65
Oct 69
Nov 77
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 13 mi Gary/Chicago International Airport (GYY)
Ski resort 34 mi Bunny Hill
National park 14 mi Gaylord Butterfly Preserve
Hospital 2 mi Portage Hospital
Hiking trail 3 mi Tolleston Dunes Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 31°F -1°C | 18°F -8°C | 0.8 in 19 mm | 7.5 in189 mm | 6 |
| February | 35°F 2°C | 23°F -5°C | 0.2 in 5 mm | 8.6 in218 mm | 3 |
| March | 56°F 13°C | 36°F 2°C | 3.3 in 83 mm | 4.5 in114 mm | 8 |
| April | 59°F 15°C | 42°F 6°C | 3.7 in 93 mm | 0.1 in2 mm | 8 |
| May | 65°F 18°C | 50°F 10°C | 4.3 in 109 mm | — | 7 |
| June | 81°F 27°C | 64°F 18°C | 5.7 in 146 mm | — | 11 |
| July | 84°F 29°C | 70°F 21°C | 7.2 in 183 mm | — | 8 |
| August | 79°F 26°C | 64°F 18°C | 3.6 in 91 mm | — | 10 |
| September | 77°F 25°C | 58°F 14°C | 1.5 in 39 mm | — | 18 |
| October | 67°F 19°C | 50°F 10°C | 4.1 in 103 mm | — | 15 |
| November | 49°F 10°C | 37°F 3°C | 1.3 in 33 mm | 13.3 in338 mm | 10 |
| December | 36°F 2°C | 23°F -5°C | 1.9 in 47 mm | 9.3 in236 mm | 1 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 6 | 1 |
| February | 3 | 0 |
| March | 8 | 3 |
| April | 8 | 2 |
| May | 7 | 4 |
| June | 11 | 6 |
| July | 8 | 9 |
| August | 10 | 5 |
| September | 18 | 3 |
| October | 15 | 3 |
| November | 10 | 0 |
| December | 1 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 37°F 3°C | 32°F 0°C |
| February | 33°F 1°C | 32°F 0°C |
| March | 38°F 3°C | 38°F 3°C |
| April | 46°F 8°C | 47°F 9°C |
| May | 53°F 12°C | 56°F 13°C |
| June | 72°F 22°C | 69°F 20°C |
| July | 76°F 24°C | 79°F 26°C |
| August | 77°F 25°C | 74°F 23°C |
| September | 69°F 21°C | 66°F 19°C |
| October | 67°F 19°C | 60°F 16°C |
| November | 53°F 12°C | 45°F 7°C |
| December | 44°F 6°C | 34°F 1°C |