Lake Charles weather in August: Lake Charles, Louisiana: normal highs, lows, rain and records for August
Lake Charles in August has a normal high of 93°F and a normal low of 75°F, a daily mean of 84°F, holding near 93°F all month. Measurable precipitation falls on 11 days in a normal August, 6.19 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 34°C and low of 24°C, 157 mm of precipitation in August.
- NOAA stationLake Charles Regional Airport
- Station IDUSW00003937
- Location30.13°N 93.22°W
- Elevation13 ft (4 m)
- From the center5 miles
- Population81,157
- Jan 63° 43°
- Feb 67° 47°
- Mar 73° 53°
- Apr 79° 59°
- May 85° 67°
- Jun 91° 74°
- Jul 92° 76°
- Aug 93° 75°
- Sep 89° 71°
- Oct 82° 60°
- Nov 72° 51°
- Dec 65° 45°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lake Charles in August?
The normal high is 93°F and the normal low 75°F, for a daily mean of 84.0°F. August is 0.1°F warmer than July and 3.9°F warmer than September. August is the warmest month of the year in Lake Charles and the 2nd wettest. Across the month the normal high falls 1°F, from 93°F on August 1 to 92°F on August 31. From one year to the next August's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 82°F and 86°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 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 93°F | 76°F | 36% | 24% |
| August 8 | 93°F | 76°F | 36% | 24% |
| August 15 | 93°F | 75°F | 36% | 24% |
| August 22 | 93°F | 75°F | 37% | 25% |
| August 31 | 92°F | 74°F | 36% | 25% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 4, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 93°F | 76°F | 36% | 24% | 13 h 40 min |
| August 2 | 93°F | 76°F | 36% | 24% | 13 h 40 min |
| August 3 | 93°F | 76°F | 36% | 24% | 13 h 30 min |
| August 4 | 93°F | 76°F | 36% | 24% | 13 h 30 min |
| August 5 | 93°F | 76°F | 36% | 24% | 13 h 30 min |
| August 6 | 93°F | 76°F | 36% | 24% | 13 h 30 min |
| August 7 | 93°F | 76°F | 36% | 24% | 13 h 30 min |
| August 8 | 93°F | 76°F | 36% | 24% | 13 h 30 min |
| August 9 | 93°F | 76°F | 36% | 24% | 13 h 30 min |
| August 10 | 93°F | 76°F | 36% | 24% | 13 h 20 min |
| August 11 | 93°F | 76°F | 36% | 24% | 13 h 20 min |
| August 12 | 93°F | 75°F | 36% | 24% | 13 h 20 min |
| August 13 | 93°F | 75°F | 36% | 24% | 13 h 20 min |
| August 14 | 93°F | 75°F | 36% | 24% | 13 h 20 min |
| August 15 | 93°F | 75°F | 36% | 24% | 13 h 20 min |
| August 16 | 93°F | 75°F | 36% | 24% | 13 h 10 min |
| August 17 | 93°F | 75°F | 37% | 24% | 13 h 10 min |
| August 18 | 93°F | 75°F | 37% | 25% | 13 h 10 min |
| August 19 | 93°F | 75°F | 37% | 25% | 13 h 10 min |
| August 20 | 93°F | 75°F | 37% | 25% | 13 h 10 min |
| August 21 | 93°F | 75°F | 37% | 25% | 13 h 10 min |
| August 22 | 93°F | 75°F | 37% | 25% | 13 h |
| August 23 | 93°F | 75°F | 37% | 25% | 13 h |
| August 24 | 93°F | 75°F | 37% | 25% | 13 h |
| August 25 | 92°F | 75°F | 37% | 25% | 13 h |
| August 26 | 92°F | 75°F | 37% | 25% | 13 h |
| August 27 | 92°F | 74°F | 37% | 25% | 13 h |
| August 28 | 92°F | 74°F | 37% | 25% | 12 h 50 min |
| August 29 | 92°F | 74°F | 36% | 25% | 12 h 50 min |
| August 30 | 92°F | 74°F | 36% | 25% | 12 h 50 min |
| August 31 | 92°F | 74°F | 36% | 25% | 12 h 50 min |
- Normal high
- 93°FAugust average
- Normal low
- 75°FAugust average
- Precipitation
- 6.19 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 25
- 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
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003937; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lake Charles in August?
On a given August day the chance of 0.01 inch or more is 36% on average, highest around August 21 (37%). In all, 6.19 in falls on 11 days of a normal August, 2 of them with an inch or more.
In a normal August in Lake Charles, 25 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003937.
How humid and windy is Lake Charles in August?
At 3 p.m. the normal temperature is 88°F with 58% relative humidity and a dew point of 72°F; at 6 a.m. it is 74°F with 92% humidity. The wind averages 5.8 mph, most often from the east 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. | 74°F | 72°F | 92% | 4.3 mph | 71% |
| 9 a.m. | 83°F | 74°F | 74% | 7.8 mph | 67% |
| noon | 88°F | 72°F | 60% | 8.1 mph | 54% |
| 3 p.m. | 88°F | 72°F | 58% | 8.4 mph | 59% |
| 6 p.m. | 84°F | 73°F | 69% | 6.5 mph | 71% |
| 9 p.m. | 78°F | 73°F | 85% | 4.4 mph | 81% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003937. 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 Lake Charles?
The warmest August temperature on Lake Charles's official record (since 1895) is 109°F, on August 27, 2023; the coldest is 59°F, on August 25, 1917. The wettest August brought 23.57 in (2017).
The August mean against the 1991-2020 normal of 84.0°F: 2021 83.8°F (−0.2), 2022 81.7°F (−2.3), 2023 89.2°F (+5.2), 2024 85.6°F (+1.6), 2025 83.5°F (−0.5), 2026 86.3°F (+2.3). 3 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 83.8°F | −0.2°F | 7.46 in |
| 2022 | 81.7°F | −2.3°F | 7.11 in |
| 2023 | 89.2°F | +5.2°F | 1.11 in |
| 2024 | 85.6°F | +1.6°F | 2.23 in |
| 2025 | 83.5°F | −0.5°F | 3.48 in |
| 2026 | 86.3°F | +2.3°F | 0.23 in |
Source: records: ACIS, NWS threaded record LCHthr; recent months: ACIS, station USW00003937. Records and recent months use complete months only.
How does August in Lake Charles compare across Louisiana?
Across the 65 places PlainClimate covers in Louisiana, August normal highs run from 89°F in Boothville to 96°F in Natchitoches; Lake Charles's is 93°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Lake Charles in July92°F by day, 76°F at night
- Lake Charles in September89°F by day, 71°F at night
- Lake Charles through the yearEvery month, frost dates, records and recent years
- Louisiana in AugustThe statewide normal and the warmest and coolest places
- Natchitoches: Louisiana's warmest Augustnormal high 96°F