Little Rock, AR weather in August
Little Rock is hot and oppressively humid in August, with some rain: highs average 92°F and nights drop to about 70°F. Rain falls on about 7 days. This is the peak of the warm season in Little Rock. Midday heat is the main thing to plan around.
- Normal high
- 92°F
- Normal low
- 70°F
- Wet days
- 7
- 3.2 in total
- Muggy days
- 26
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 93°F | 89°F |
| Normal low | 71°F | 68°F |
| Chance of a wet day | 26% | 23% |
| Sunrise / sunset | 6:19 am / 8:11 pm | 6:41 am / 7:37 pm |
| Daylight | 13.9 h | 12.9 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 am73°Fdew point 69°F
- 9 am82°Fdew point 70°F
- Noon88°Fdew point 69°F
- 3 pm90°Fdew point 68°F
- 6 pm86°Fdew point 69°F
- 9 pm79°Fdew point 70°F
NOAA hourly normals (local standard time) from Little Rock Airport Adams Fld (3 mi away); average wind 6 mph; clear or few clouds in 28% of daytime hours, mostly cloudy or overcast in 35%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more22 of 31
- Muggy daysdaily mean dew point 65°F or more26 of 31
- Wet daysat least 0.01 in of rain or melted snow7 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 3.2 in; a dry August brings about 1.6 in and a wet one about 5.0 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202000: average high 100°F
- Coolest August2017: average high 86°F
- Wettest August2016: 7.6 in
- Driest August1995: no measurable precipitation
- Highest reading114°F (August 3, 2011)
- Lowest reading54°F (August 16, 1992)
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 | 85°F |
| Normal low | 71°F | 70°F | 63°F |
| Wet days | 9 | 7 | 7 |
| Comfortable days | 0 | 0 | 4 |
| Daylight | 14.2 h | 13.4 h | 12.4 h |
Highs change by 0°F from July and -7°F into September.
How Little Rock ranks in August
- Normal high100th warmest of 378 cities; 3rd of 4 in Arkansas
- Wet days143rd driest of 378
- Comfortable days229th most of 341
What to pack for Little Rock in August
- Light, breathable clothing – highs near 92°F and about 26 muggy days
Heating and cooling
August has 0 heating degree days and 490 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.
Questions
How hot is Little Rock in August?
The normal high is 92°F and the normal low is 70°F. From 1991 to 2020 the hottest August reading was 114°F (August 3, 2011).
Does it rain a lot in Little Rock in August?
About 7 days in August have at least 0.01 in of precipitation, and the normal total is 3.2 in. The wettest August in 1991-2020 was in 2016 (7.6 in); the driest was in 1995, with no measurable precipitation.
Is August a good time to visit Little Rock?
August ranks 12th of 12 months on our comfort score for Little Rock (38 out of 100). It has almost no comfortable days and about 22 days at 90°F or hotter. The best month is April.
Where the numbers come from
- Temperature, rain, snow depth, frost dates, humidity and wind by hour and cloud cover: Little Rock Airport Adams Fld (USW00013963), 3.2 mi ESE of the city center, 258 ft (79 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snowfall: Little Rock (USW00003952), 6.4 mi NNE of the city center, 568 ft (231 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Adams Field Airport (723403-13963), 3.3 mi ESE of the city center, 251 ft (86 ft lower than the city). Hourly observations, 1991-2020.