Decatur, Michigan Climate
United States
Pop. 1,767 Elev. 242 m / 794 ft
TZ: America/Detroit (UTC-4) ·
Summers in Decatur are mild, with July highs around 84°F (29°C), while winters are frigid with January lows of 18°F (-8°C). Humidity pushes the summer feels-like temperature to 92°F (33°C), while wind chill can drive winter lows to 10°F (-12°C). Expect around 51 rainy days annually (37.0 in / 940 mm total), with snow on 5 days and 57 in (1452 mm) of annual accumulation. The city averages 98 sunny days per year and around 35 thunderstorm days. Ocean water temperatures reach 75°F (24°C) in summer.
| Temperature | 84°F (29°C) high | 18°F (-8°C) low |
| Feels like | 92°F (33°C) high | 10°F (-12°C) low |
| Rain | 51 days | 37.0 in (940 mm) /yr |
| Snow | 5 days | 57.2 in (1452 mm) /yr |
| Sky | 98 sunny | 35 stormy |
| Wind | 2.5 mph (1.1 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 (%)
77
Jan 78
Feb 64
Mar 64
Apr 62
May 54
Jun 58
Jul 48
Aug 35
Sep 40
Oct 59
Nov 83
Dec Humidity (%)
74
Jan 72
Feb 63
Mar 60
Apr 68
May 69
Jun 76
Jul 73
Aug 70
Sep 69
Oct 73
Nov 81
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 23 mi Kalamazoo/Battle Creek International Airport (AZO)
Ski resort 27 mi Bittersweet
National park 86 mi Gaylord Butterfly Preserve
Hospital 9 mi Bronson LakeView Hospital
Hiking trail 21 mi Rolling Meadow Loop
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 29°F -2°C | 18°F -8°C | 0.9 in 22 mm | 12.2 in311 mm | 3 |
| February | 33°F 1°C | 21°F -6°C | 0.4 in 9 mm | 10.4 in264 mm | 2 |
| March | 55°F 13°C | 35°F 1°C | 3.5 in 90 mm | 4.8 in123 mm | 5 |
| April | 60°F 15°C | 40°F 5°C | 3.6 in 90 mm | 1.2 in31 mm | 9 |
| May | 67°F 20°C | 49°F 9°C | 5.2 in 131 mm | — | 7 |
| June | 82°F 28°C | 64°F 18°C | 5.0 in 128 mm | — | 9 |
| July | 84°F 29°C | 68°F 20°C | 7.5 in 189 mm | — | 7 |
| August | 79°F 26°C | 61°F 16°C | 3.0 in 77 mm | — | 12 |
| September | 77°F 25°C | 55°F 13°C | 1.6 in 41 mm | — | 17 |
| October | 66°F 19°C | 47°F 8°C | 3.4 in 87 mm | — | 17 |
| November | 47°F 8°C | 35°F 2°C | 0.9 in 23 mm | 14.6 in371 mm | 10 |
| December | 35°F 2°C | 21°F -6°C | 2.1 in 53 mm | 13.8 in352 mm | 0 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 3 | 1 |
| February | 2 | 0 |
| March | 5 | 3 |
| April | 9 | 2 |
| May | 7 | 5 |
| June | 9 | 5 |
| July | 7 | 9 |
| August | 12 | 4 |
| September | 17 | 2 |
| October | 17 | 3 |
| November | 10 | 0 |
| December | 0 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 41°F 5°C | 32°F 0°C |
| February | 34°F 1°C | 32°F 0°C |
| March | 37°F 3°C | 35°F 2°C |
| April | 44°F 6°C | 43°F 6°C |
| May | 50°F 10°C | 55°F 13°C |
| June | 71°F 22°C | 70°F 21°C |
| July | 75°F 24°C | 79°F 26°C |
| August | 74°F 23°C | 74°F 23°C |
| September | 68°F 20°C | 66°F 19°C |
| October | 66°F 19°C | 59°F 15°C |
| November | 51°F 10°C | 45°F 7°C |
| December | 45°F 7°C | 33°F 1°C |