Monroe weather in August: Monroe, Louisiana: normal highs, lows, rain and records for August
Monroe in August has a normal high of 94°F and a normal low of 71°F, a daily mean of 83°F, falling from 94°F on the 1st to 92°F by the 31st. Measurable precipitation falls on 8 days in a normal August, 3.56 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 34°C and low of 22°C, 90 mm of precipitation in August.
- NOAA stationMonroe Regional Airport
- Station IDUSW00013942
- Location32.52°N 92.04°W
- Elevation79 ft (24 m)
- From the center2 miles
- Population46,622
- Jan 57° 37°
- Feb 61° 40°
- Mar 69° 47°
- Apr 77° 54°
- May 84° 63°
- Jun 91° 70°
- Jul 93° 73°
- Aug 94° 71°
- Sep 89° 66°
- Oct 79° 54°
- Nov 67° 44°
- Dec 59° 39°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Monroe in August?
The normal high is 94°F and the normal low 71°F, for a daily mean of 82.5°F. August is 0.3°F cooler than July and 5.4°F warmer than September. August is the 2nd warmest month of the year in Monroe and the 11th wettest. Across the month the normal high falls 2°F, from 94°F on August 1 to 92°F on August 31. From one year to the next August's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 80°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 27%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 94°F | 72°F | 27% | 17% |
| August 8 | 94°F | 72°F | 27% | 17% |
| August 15 | 94°F | 72°F | 26% | 16% |
| August 22 | 93°F | 71°F | 25% | 16% |
| August 31 | 92°F | 70°F | 24% | 15% |
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 | 94°F | 72°F | 27% | 17% | 13 h 50 min |
| August 2 | 94°F | 72°F | 27% | 17% | 13 h 40 min |
| August 3 | 94°F | 72°F | 27% | 17% | 13 h 40 min |
| August 4 | 94°F | 72°F | 27% | 17% | 13 h 40 min |
| August 5 | 94°F | 72°F | 27% | 17% | 13 h 40 min |
| August 6 | 94°F | 72°F | 27% | 17% | 13 h 40 min |
| August 7 | 94°F | 72°F | 27% | 17% | 13 h 40 min |
| August 8 | 94°F | 72°F | 27% | 17% | 13 h 30 min |
| August 9 | 94°F | 72°F | 27% | 17% | 13 h 30 min |
| August 10 | 94°F | 72°F | 26% | 17% | 13 h 30 min |
| August 11 | 94°F | 72°F | 26% | 17% | 13 h 30 min |
| August 12 | 94°F | 72°F | 26% | 17% | 13 h 30 min |
| August 13 | 94°F | 72°F | 26% | 16% | 13 h 30 min |
| August 14 | 94°F | 72°F | 26% | 16% | 13 h 20 min |
| August 15 | 94°F | 72°F | 26% | 16% | 13 h 20 min |
| August 16 | 94°F | 72°F | 25% | 16% | 13 h 20 min |
| August 17 | 94°F | 72°F | 25% | 16% | 13 h 20 min |
| August 18 | 94°F | 71°F | 25% | 16% | 13 h 20 min |
| August 19 | 94°F | 71°F | 25% | 16% | 13 h 20 min |
| August 20 | 94°F | 71°F | 25% | 16% | 13 h 10 min |
| August 21 | 93°F | 71°F | 25% | 16% | 13 h 10 min |
| August 22 | 93°F | 71°F | 25% | 16% | 13 h 10 min |
| August 23 | 93°F | 71°F | 24% | 15% | 13 h 10 min |
| August 24 | 93°F | 71°F | 24% | 15% | 13 h 10 min |
| August 25 | 93°F | 71°F | 24% | 15% | 13 h 10 min |
| August 26 | 93°F | 71°F | 24% | 15% | 13 h |
| August 27 | 93°F | 70°F | 24% | 15% | 13 h |
| August 28 | 93°F | 70°F | 24% | 15% | 13 h |
| August 29 | 92°F | 70°F | 24% | 15% | 13 h |
| August 30 | 92°F | 70°F | 24% | 15% | 13 h |
| August 31 | 92°F | 70°F | 24% | 15% | 12 h 50 min |
- Normal high
- 94°FAugust average
- Normal low
- 71°FAugust average
- Precipitation
- 3.56 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 26
- Daylight
- 13 h 50 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
- 83%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013942; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Monroe in August?
On a given August day the chance of 0.01 inch or more is 26% on average, highest around August 1 (27%). In all, 3.56 in falls on 8 days of a normal August, 1 of them with an inch or more.
In a normal August in Monroe, 26 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013942.
How humid and windy is Monroe in August?
At 3 p.m. the normal temperature is 90°F with 50% relative humidity and a dew point of 69°F; at 6 a.m. it is 71°F with 92% humidity. The wind averages 4.8 mph, most often from the northeast 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. | 71°F | 69°F | 92% | 3.0 mph | 75% |
| 9 a.m. | 82°F | 71°F | 71% | 5.7 mph | 74% |
| noon | 88°F | 70°F | 54% | 6.8 mph | 59% |
| 3 p.m. | 90°F | 69°F | 50% | 7.2 mph | 63% |
| 6 p.m. | 85°F | 70°F | 60% | 5.4 mph | 73% |
| 9 p.m. | 77°F | 70°F | 79% | 3.8 mph | 82% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013942. 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 Monroe?
The warmest August temperature on Monroe's official record (since 1893) is 108°F, on August 3, 1918; the coldest is 51°F, on August 28, 1968. The wettest August brought 18.40 in (2022).
The August mean against the 1991-2020 normal of 82.5°F: 2021 83.7°F (+1.2), 2022 83.1°F (+0.6), 2023 88.3°F (+5.8), 2024 85.3°F (+2.8), 2025 83.5°F (+1.0), 2026 86.2°F (+3.7). 6 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 83.7°F | +1.2°F | 8.19 in |
| 2022 | 83.1°F | +0.6°F | 18.40 in |
| 2023 | 88.3°F | +5.8°F | 1.44 in |
| 2024 | 85.3°F | +2.8°F | 1.05 in |
| 2025 | 83.5°F | +1.0°F | 2.56 in |
| 2026 | 86.2°F | +3.7°F | 5.92 in |
Source: records: ACIS, NWS threaded record MLUthr; recent months: ACIS, station USW00013942. Records and recent months use complete months only.
How does August in Monroe 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; Monroe's is 94°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.