Decatur weather in July: Decatur, Alabama: normal highs, lows, rain and records for July
Decatur in July has a normal high of 90°F and a normal low of 70°F, a daily mean of 80°F, holding near 90°F all month. Measurable precipitation falls on 12 days in a normal July, 3.95 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 21°C, 100 mm of precipitation in July.
- NOAA stationDecatur Pryor Field
- Station IDUSW00053852
- Location34.65°N 86.95°W
- Elevation592 ft (180 m)
- Population57,974
- Jan 51° 32°
- Feb 55° 35°
- Mar 64° 42°
- Apr 73° 50°
- May 81° 59°
- Jun 88° 67°
- Jul 90° 70°
- Aug 90° 68°
- Sep 85° 61°
- Oct 75° 50°
- Nov 62° 39°
- Dec 54° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Decatur in July?
The normal high is 90°F and the normal low 70°F, for a daily mean of 79.7°F. July is 2.6°F warmer than June and 0.9°F warmer than August. July is the warmest month of the year in Decatur and the 8th wettest. Across the month the normal high rises 1°F, from 89°F on July 1 to 90°F on July 31. From one year to the next July's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Julys in three average between 78°F and 82°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 89°F | 69°F | 39% | 24% |
| July 8 | 90°F | 70°F | 40% | 24% |
| July 15 | 90°F | 70°F | 40% | 23% |
| July 22 | 90°F | 70°F | 38% | 22% |
| July 31 | 90°F | 70°F | 36% | 20% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 31, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 89°F | 69°F | 39% | 24% | 14 h 30 min |
| July 2 | 90°F | 69°F | 39% | 24% | 14 h 30 min |
| July 3 | 90°F | 69°F | 40% | 24% | 14 h 30 min |
| July 4 | 90°F | 69°F | 40% | 24% | 14 h 30 min |
| July 5 | 90°F | 70°F | 40% | 24% | 14 h 20 min |
| July 6 | 90°F | 70°F | 40% | 24% | 14 h 20 min |
| July 7 | 90°F | 70°F | 40% | 24% | 14 h 20 min |
| July 8 | 90°F | 70°F | 40% | 24% | 14 h 20 min |
| July 9 | 90°F | 70°F | 40% | 24% | 14 h 20 min |
| July 10 | 90°F | 70°F | 40% | 24% | 14 h 20 min |
| July 11 | 90°F | 70°F | 40% | 24% | 14 h 20 min |
| July 12 | 90°F | 70°F | 40% | 24% | 14 h 20 min |
| July 13 | 90°F | 70°F | 40% | 24% | 14 h 20 min |
| July 14 | 90°F | 70°F | 40% | 24% | 14 h 20 min |
| July 15 | 90°F | 70°F | 40% | 23% | 14 h 20 min |
| July 16 | 90°F | 70°F | 39% | 23% | 14 h 20 min |
| July 17 | 90°F | 70°F | 39% | 23% | 14 h 10 min |
| July 18 | 90°F | 70°F | 39% | 23% | 14 h 10 min |
| July 19 | 90°F | 70°F | 39% | 22% | 14 h 10 min |
| July 20 | 90°F | 70°F | 38% | 22% | 14 h 10 min |
| July 21 | 90°F | 70°F | 38% | 22% | 14 h 10 min |
| July 22 | 90°F | 70°F | 38% | 22% | 14 h 10 min |
| July 23 | 90°F | 70°F | 38% | 22% | 14 h 10 min |
| July 24 | 90°F | 70°F | 38% | 21% | 14 h 10 min |
| July 25 | 90°F | 70°F | 37% | 21% | 14 h |
| July 26 | 90°F | 70°F | 37% | 21% | 14 h |
| July 27 | 90°F | 70°F | 37% | 21% | 14 h |
| July 28 | 90°F | 70°F | 37% | 21% | 14 h |
| July 29 | 90°F | 70°F | 36% | 20% | 14 h |
| July 30 | 90°F | 70°F | 36% | 20% | 14 h |
| July 31 | 90°F | 70°F | 36% | 20% | 14 h |
- Normal high
- 90°FJuly average
- Normal low
- 70°FJuly average
- Precipitation
- 3.95 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 19
- Daylight
- 14 h 30 min to 14 hJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 30
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053852; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Decatur in July?
On a given July day the chance of 0.01 inch or more is 39% on average, highest around July 6 (40%). In all, 3.95 in falls on 12 days of a normal July, 1 of them with an inch or more.
In a normal July in Decatur, 19 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053852.
What are the records for July in Decatur?
The July mean against the 1991-2020 normal of 79.7°F: 2021 78.3°F (−1.4), 2022 82.8°F (+3.1), 2023 79.8°F (+0.1), 2024 81.8°F (+2.1), 2025 83.0°F (+3.3), 2026 80.3°F (+0.6). 5 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.3°F | −1.4°F | 8.81 in |
| 2022 | 82.8°F | +3.1°F | 1.82 in |
| 2023 | 79.8°F | +0.1°F | 3.18 in |
| 2024 | 81.8°F | +2.1°F | 7.38 in |
| 2025 | 83.0°F | +3.3°F | 2.47 in |
| 2026 | 80.3°F | +0.6°F | 4.96 in |
Source: recent months: ACIS, station USW00053852. Records and recent months use complete months only.
How does July in Decatur compare across Alabama?
Across the 80 places PlainClimate covers in Alabama, July normal highs run from 87°F in Valley Head to 95°F in Eufaula; Decatur's is 90°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.