Mobile, AL weather in August
Expect hot, oppressively humid weather with rain on most days in Mobile in August, with highs near 92°F and lows near 75°F. Rain falls on about 15 days. It is one of the warmest months in Mobile. Plan outdoor time for mornings and evenings.
- Normal high
- 92°F
- Normal low
- 75°F
- Wet days
- 15
- 7.2 in total
- Muggy days
- 30
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 92°F | 91°F |
| Normal low | 76°F | 75°F |
| Chance of a wet day | 48% | 44% |
| Sunrise / sunset | 6:10 am / 7:47 pm | 6:28 am / 7:16 pm |
| Daylight | 13.6 h | 12.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical August day
- 6 am75°Fdew point 72°F
- 9 am84°Fdew point 73°F
- Noon88°Fdew point 72°F
- 3 pm87°Fdew point 72°F
- 6 pm82°Fdew point 73°F
- 9 pm78°Fdew point 73°F
NOAA hourly normals (local standard time) from Mobile (12 mi away); average wind 5 mph; clear or few clouds in 33% of daytime hours, mostly cloudy or overcast in 34%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph16 of 31
- Hot dayshigh 90°F or more22 of 31
- Muggy daysdaily mean dew point 65°F or more30 of 31
- Wet daysat least 0.01 in of rain or melted snow15 of 31
- Notable rainat least 0.10 in10 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 7.2 in; a dry August brings about 5.5 in and a wet one about 9.4 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202011: average high 96°F
- Coolest August2001: average high 88°F
- Wettest August2008: 14.1 in
- Driest August1997: 1.3 in
- Highest reading102°F (August 19, 2000)
- Lowest reading60°F (August 14, 2004)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 92°F | 92°F | 89°F |
| Normal low | 75°F | 75°F | 72°F |
| Wet days | 14 | 15 | 11 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 13.9 h | 13.2 h | 12.3 h |
Highs change by 0°F from July and -3°F into September.
Nearby alternatives in August
- Drier: New Orleans, LA132 mi · high 94°F · 12 wet days
How Mobile ranks in August
- Normal high93rd warmest of 378 cities; 2nd of 6 in Alabama
- Wet days353rd driest of 378
- Comfortable days258th most of 341
What to pack for Mobile in August
- Light, breathable clothing – highs near 92°F and about 30 muggy days
- A rain jacket or umbrella – rain on about 15 days
- A swimsuit – about 16 beach days
Heating and cooling
August has 0 heating degree days and 577 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How hot is Mobile in August?
The normal high is 92°F and the normal low is 75°F. From 1991 to 2020 the hottest August reading was 102°F (August 19, 2000).
Does it rain a lot in Mobile in August?
About 15 days in August have at least 0.01 in of precipitation, and the normal total is 7.2 in. The wettest August in 1991-2020 was in 2008 (14.1 in); the driest was in 1997 (1.3 in).
Is August a good time to visit Mobile?
August ranks 12th of 12 months on our comfort score for Mobile (33 out of 100). It has almost no comfortable days and about 22 days at 90°F or hotter. The best months are March, April and November.
Where the numbers come from
- Temperature and frost dates: Mobile Downtown Airport (USW00013838), 4.9 mi SSW of the city center, 26 ft . NOAA normals and daily records, 1991-2020.
- Rain: Fairhope 2 Ne (USC00012813), 14 mi SE of the city center, 23 ft . NOAA normals and daily records, 1991-2020.
- Snowfall, snow depth, humidity and wind by hour and cloud cover: Mobile (USW00013894), 12 mi W of the city center, 208 ft (199 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Mobile Downtown Airport (722235-13838), 5.6 mi SSW of the city center, 16 ft . Hourly observations, 1991-2020.