Decatur, Alabama Climate
United States
Pop. 55,437 Elev. 175 m / 574 ft
TZ: America/Chicago (UTC-5) ·
Summers in Decatur are warm, with July highs around 90°F (32°C), while winters are cold with January lows of 31°F (-1°C). Humidity pushes the summer feels-like temperature to around 109°F (43°C). Expect around 65 rainy days annually (47.4 in / 1203 mm total), with snow on 1 days and 8 in (193 mm) of annual accumulation. The city averages 141 sunny days per year and around 51 thunderstorm days. Nearby lake water reaches 84°F (29°C) in summer.
| Temperature | 90°F (32°C) high | 31°F (-1°C) low |
| Feels like | 109°F (43°C) high | 31°F (-1°C) low |
| Rain | 65 days | 47.4 in (1203 mm) /yr |
| Snow | 1 days | 7.6 in (193 mm) /yr |
| Sky | 141 sunny | 51 stormy |
| Wind | 2.1 mph (0.9 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Aug, Sep, Oct, Nov
Sky & Air by Month
Cloud cover (%)
48
Jan 55
Feb 52
Mar 55
Apr 72
May 63
Jun 50
Jul 50
Aug 41
Sep 37
Oct 44
Nov 58
Dec Humidity (%)
61
Jan 65
Feb 52
Mar 64
Apr 75
May 76
Jun 74
Jul 69
Aug 67
Sep 67
Oct 67
Nov 68
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 12 mi Huntsville International Airport (HSV)
Ski resort 79 mi Cloudmont Ski Hill
National park 76 mi Birmingham Civil Rights National Monument
Mountain peak
(4,967 ft) 173 mi Grassy Top
Hospital 1 mi Decatur Morgan Hospital
Hiking trail 14 mi Swan Creek Greenway Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 48°F 9°C | 31°F -1°C | 2.9 in 74 mm | 7.0 in177 mm | 14 |
| February | 60°F 16°C | 40°F 4°C | 4.5 in 114 mm | 0.6 in16 mm | 10 |
| March | 70°F 21°C | 48°F 9°C | 5.7 in 145 mm | — | 12 |
| April | 77°F 25°C | 58°F 14°C | 5.5 in 140 mm | — | 11 |
| May | 78°F 26°C | 64°F 18°C | 8.3 in 211 mm | — | 4 |
| June | 86°F 30°C | 71°F 22°C | 5.5 in 141 mm | — | 8 |
| July | 90°F 32°C | 75°F 24°C | 2.1 in 52 mm | — | 11 |
| August | 87°F 30°C | 70°F 21°C | 2.2 in 55 mm | — | 12 |
| September | 86°F 30°C | 66°F 19°C | 1.9 in 50 mm | — | 17 |
| October | 74°F 24°C | 56°F 13°C | 4.1 in 104 mm | — | 19 |
| November | 65°F 19°C | 47°F 8°C | 2.4 in 60 mm | 0.0 in1 mm | 15 |
| December | 56°F 13°C | 39°F 4°C | 2.2 in 56 mm | — | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 14 | 2 |
| February | 10 | 3 |
| March | 12 | 4 |
| April | 11 | 5 |
| May | 4 | 11 |
| June | 8 | 9 |
| July | 11 | 3 |
| August | 12 | 4 |
| September | 17 | 2 |
| October | 19 | 4 |
| November | 15 | 2 |
| December | 8 | 2 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 38°F 4°C |
| February | 43°F 6°C |
| March | 51°F 10°C |
| April | 63°F 17°C |
| May | 70°F 21°C |
| June | 80°F 27°C |
| July | 84°F 29°C |
| August | 81°F 27°C |
| September | 75°F 24°C |
| October | 66°F 19°C |
| November | 54°F 12°C |
| December | 43°F 6°C |