Mobile weather in August: Mobile, Alabama: normal highs, lows, rain and records for August
Mobile in August has a normal high of 91°F and a normal low of 73°F, a daily mean of 82°F, falling from 91°F on the 1st to 90°F by the 31st. Measurable precipitation falls on 13 days in a normal August, 6.87 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 33°C and low of 23°C, 174 mm of precipitation in August.
- NOAA stationMobile Regional Airport
- Station IDUSW00013894
- Location30.68°N 88.24°W
- Elevation208 ft (63 m)
- From the center8 miles
- Population201,367
- Jan 62° 41°
- Feb 66° 44°
- Mar 72° 50°
- Apr 78° 56°
- May 85° 64°
- Jun 89° 71°
- Jul 91° 73°
- Aug 91° 73°
- Sep 88° 69°
- Oct 80° 58°
- Nov 70° 48°
- Dec 64° 43°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Mobile in August?
The normal high is 91°F and the normal low 73°F, for a daily mean of 81.9°F. August is 0.1°F cooler than July and 3.8°F warmer than September. August is the 2nd warmest month of the year in Mobile and the 2nd wettest. Across the month the normal high falls 1°F, from 91°F on August 1 to 90°F on August 31. From one year to the next August's mean temperature typically moves about 1.5°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 80°F and 83°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 46%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 91°F | 73°F | 46% | 32% |
| August 8 | 91°F | 73°F | 44% | 31% |
| August 15 | 91°F | 73°F | 42% | 29% |
| August 22 | 91°F | 73°F | 39% | 27% |
| August 31 | 90°F | 72°F | 37% | 25% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 91°F | 73°F | 46% | 32% | 13 h 40 min |
| August 2 | 91°F | 73°F | 46% | 32% | 13 h 40 min |
| August 3 | 91°F | 73°F | 45% | 32% | 13 h 40 min |
| August 4 | 91°F | 73°F | 45% | 31% | 13 h 30 min |
| August 5 | 91°F | 73°F | 45% | 31% | 13 h 30 min |
| August 6 | 91°F | 73°F | 45% | 31% | 13 h 30 min |
| August 7 | 91°F | 73°F | 44% | 31% | 13 h 30 min |
| August 8 | 91°F | 73°F | 44% | 31% | 13 h 30 min |
| August 9 | 91°F | 73°F | 44% | 30% | 13 h 30 min |
| August 10 | 91°F | 73°F | 44% | 30% | 13 h 30 min |
| August 11 | 91°F | 73°F | 43% | 30% | 13 h 20 min |
| August 12 | 91°F | 73°F | 43% | 30% | 13 h 20 min |
| August 13 | 91°F | 73°F | 43% | 30% | 13 h 20 min |
| August 14 | 91°F | 73°F | 42% | 29% | 13 h 20 min |
| August 15 | 91°F | 73°F | 42% | 29% | 13 h 20 min |
| August 16 | 91°F | 73°F | 42% | 29% | 13 h 20 min |
| August 17 | 91°F | 73°F | 41% | 28% | 13 h 10 min |
| August 18 | 91°F | 73°F | 41% | 28% | 13 h 10 min |
| August 19 | 91°F | 73°F | 41% | 28% | 13 h 10 min |
| August 20 | 91°F | 73°F | 40% | 28% | 13 h 10 min |
| August 21 | 91°F | 73°F | 40% | 27% | 13 h 10 min |
| August 22 | 91°F | 73°F | 39% | 27% | 13 h 10 min |
| August 23 | 91°F | 73°F | 39% | 27% | 13 h |
| August 24 | 90°F | 73°F | 39% | 27% | 13 h |
| August 25 | 90°F | 73°F | 38% | 26% | 13 h |
| August 26 | 90°F | 72°F | 38% | 26% | 13 h |
| August 27 | 90°F | 72°F | 38% | 26% | 13 h |
| August 28 | 90°F | 72°F | 37% | 26% | 13 h |
| August 29 | 90°F | 72°F | 37% | 26% | 12 h 50 min |
| August 30 | 90°F | 72°F | 37% | 25% | 12 h 50 min |
| August 31 | 90°F | 72°F | 37% | 25% | 12 h 50 min |
- Normal high
- 91°FAugust average
- Normal low
- 73°FAugust average
- Precipitation
- 6.87 inmonth total
- Days with precipitation
- 130.01 inch or more
- Days at 90°F or more
- 22
- Daylight
- 13 h 40 min to 12 h 50 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013894; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Mobile in August?
On a given August day the chance of 0.01 inch or more is 41% on average, highest around August 1 (46%). In all, 6.87 in falls on 13 days of a normal August, 2 of them with an inch or more.
In a normal August in Mobile, 22 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013894.
How humid and windy is Mobile in August?
At 3 p.m. the normal temperature is 86°F with 59% relative humidity and a dew point of 71°F; at 6 a.m. it is 73°F with 92% humidity. The wind averages 6.0 mph, most often from the southeast in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 73°F | 71°F | 92% | 4.5 mph | 52% |
| 9 a.m. | 82°F | 72°F | 71% | 7.5 mph | 52% |
| noon | 87°F | 71°F | 59% | 8.3 mph | 28% |
| 3 p.m. | 86°F | 71°F | 59% | 8.4 mph | 34% |
| 6 p.m. | 81°F | 72°F | 73% | 6.4 mph | 48% |
| 9 p.m. | 77°F | 72°F | 85% | 4.3 mph | 64% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013894. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for August in Mobile?
The warmest August temperature on Mobile's official record (since 1872) is 106°F, on August 26, 2023; the coldest is 57°F, on August 25, 1891. The wettest August brought 15.22 in (1881).
The August mean against the 1991-2020 normal of 81.9°F: 2021 81.4°F (−0.5), 2022 81.8°F (−0.1), 2023 88.1°F (+6.2), 2024 85.6°F (+3.7), 2025 81.3°F (−0.6), 2026 83.5°F (+1.6). 3 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 81.4°F | −0.5°F | 13.17 in |
| 2022 | 81.8°F | −0.1°F | 11.08 in |
| 2023 | 88.1°F | +6.2°F | 2.80 in |
| 2024 | 85.6°F | +3.7°F | 2.24 in |
| 2025 | 81.3°F | −0.6°F | 6.11 in |
| 2026 | 83.5°F | +1.6°F | 6.32 in |
Source: records: ACIS, NWS threaded record MOBthr; recent months: ACIS, station USW00013894. Records and recent months use complete months only.
How does August in Mobile compare across Alabama?
Across the 80 places PlainClimate covers in Alabama, August normal highs run from 87°F in Valley Head to 94°F in Eufaula; Mobile's is 91°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.