McAlester weather in August: McAlester, Oklahoma: normal highs, lows, rain and records for August
McAlester in August has a normal high of 93°F and a normal low of 71°F, a daily mean of 82°F, falling from 95°F on the 1st to 91°F by the 31st. Measurable precipitation falls on 7 days in a normal August, 2.96 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 34°C and low of 22°C, 75 mm of precipitation in August.
- NOAA stationMcAlester Regional Airport
- Station IDUSW00093950
- Location34.88°N 95.78°W
- Elevation770 ft (235 m)
- Population18,108
- Jan 52° 30°
- Feb 57° 34°
- Mar 65° 42°
- Apr 73° 50°
- May 80° 60°
- Jun 88° 68°
- Jul 93° 72°
- Aug 93° 71°
- Sep 86° 63°
- Oct 75° 52°
- Nov 63° 41°
- Dec 54° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is McAlester in August?
The normal high is 93°F and the normal low 71°F, for a daily mean of 81.9°F. August is 0.7°F cooler than July and 7.6°F warmer than September. August is the 2nd warmest month of the year in McAlester and the 10th wettest. Across the month the normal high falls 4°F, from 95°F on August 1 to 91°F on August 31. From one year to the next August's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 79°F and 85°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 24%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 95°F | 72°F | 21% | 14% |
| August 8 | 94°F | 72°F | 22% | 14% |
| August 15 | 94°F | 71°F | 23% | 14% |
| August 22 | 93°F | 70°F | 23% | 14% |
| August 31 | 91°F | 68°F | 24% | 14% |
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 | 95°F | 72°F | 21% | 14% | 13 h 50 min |
| August 2 | 95°F | 72°F | 21% | 14% | 13 h 50 min |
| August 3 | 95°F | 72°F | 21% | 14% | 13 h 50 min |
| August 4 | 95°F | 72°F | 21% | 14% | 13 h 50 min |
| August 5 | 95°F | 72°F | 21% | 14% | 13 h 50 min |
| August 6 | 95°F | 72°F | 22% | 14% | 13 h 50 min |
| August 7 | 94°F | 72°F | 22% | 14% | 13 h 40 min |
| August 8 | 94°F | 72°F | 22% | 14% | 13 h 40 min |
| August 9 | 94°F | 72°F | 22% | 14% | 13 h 40 min |
| August 10 | 94°F | 72°F | 22% | 14% | 13 h 40 min |
| August 11 | 94°F | 72°F | 22% | 14% | 13 h 40 min |
| August 12 | 94°F | 72°F | 22% | 14% | 13 h 40 min |
| August 13 | 94°F | 71°F | 23% | 14% | 13 h 30 min |
| August 14 | 94°F | 71°F | 23% | 14% | 13 h 30 min |
| August 15 | 94°F | 71°F | 23% | 14% | 13 h 30 min |
| August 16 | 94°F | 71°F | 23% | 14% | 13 h 30 min |
| August 17 | 94°F | 71°F | 23% | 14% | 13 h 30 min |
| August 18 | 93°F | 71°F | 23% | 14% | 13 h 20 min |
| August 19 | 93°F | 71°F | 23% | 14% | 13 h 20 min |
| August 20 | 93°F | 70°F | 23% | 14% | 13 h 20 min |
| August 21 | 93°F | 70°F | 23% | 14% | 13 h 20 min |
| August 22 | 93°F | 70°F | 23% | 14% | 13 h 20 min |
| August 23 | 92°F | 70°F | 23% | 14% | 13 h 10 min |
| August 24 | 92°F | 70°F | 23% | 14% | 13 h 10 min |
| August 25 | 92°F | 69°F | 23% | 14% | 13 h 10 min |
| August 26 | 92°F | 69°F | 23% | 14% | 13 h 10 min |
| August 27 | 92°F | 69°F | 23% | 14% | 13 h 10 min |
| August 28 | 91°F | 69°F | 23% | 14% | 13 h |
| August 29 | 91°F | 68°F | 23% | 14% | 13 h |
| August 30 | 91°F | 68°F | 24% | 14% | 13 h |
| August 31 | 91°F | 68°F | 24% | 14% | 13 h |
- Normal high
- 93°FAugust average
- Normal low
- 71°FAugust average
- Precipitation
- 2.96 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 23
- Daylight
- 13 h 50 min to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 30
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093950; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in McAlester in August?
On a given August day the chance of 0.01 inch or more is 22% on average, highest around August 31 (24%). In all, 2.96 in falls on 7 days of a normal August, 1 of them with an inch or more.
In a normal August in McAlester, 23 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093950.
How humid and windy is McAlester in August?
At 3 p.m. the normal temperature is 90°F with 44% relative humidity and a dew point of 65°F; at 6 a.m. it is 70°F with 84% humidity. The wind averages 5.2 mph, most often from the south-southeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 70°F | 66°F | 84% | 3.3 mph | 75% |
| 9 a.m. | 80°F | 67°F | 66% | 6.8 mph | 74% |
| noon | 87°F | 66°F | 50% | 7.7 mph | 73% |
| 3 p.m. | 90°F | 65°F | 44% | 7.6 mph | 74% |
| 6 p.m. | 86°F | 66°F | 50% | 5.9 mph | 85% |
| 9 p.m. | 77°F | 66°F | 69% | 4.1 mph | 85% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093950. 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 McAlester?
The warmest August temperature on this station's record (since 1953) is 113°F, on August 3, 2011; the coldest is 51°F, on August 9, 1989. The wettest August brought 9.54 in (1964).
The August mean against the 1991-2020 normal of 81.9°F: 2021 82.3°F (+0.4), 2022 83.5°F (+1.6), 2023 85.1°F (+3.2), 2024 83.5°F (+1.6), 2025 80.8°F (−1.1), 2026 88.8°F (+6.9). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 82.3°F | +0.4°F | 4.76 in |
| 2022 | 83.5°F | +1.6°F | 2.88 in |
| 2023 | 85.1°F | +3.2°F | 1.83 in |
| 2024 | 83.5°F | +1.6°F | 5.14 in |
| 2025 | 80.8°F | −1.1°F | 7.76 in |
| 2026 | 88.8°F | +6.9°F | 0.00 in |
Source: records: ACIS, station USW00093950; recent months: ACIS, station USW00093950. Records and recent months use complete months only.
How does August in McAlester compare across Oklahoma?
Across the 134 places PlainClimate covers in Oklahoma, August normal highs run from 90°F in Kenton to 96°F in Lawton; McAlester's is 93°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.