Richmond weather in August: Richmond, Virginia: normal highs, lows, rain and records for August
Richmond in August has a normal high of 88°F and a normal low of 68°F, a daily mean of 78°F, falling from 89°F on the 1st to 86°F by the 31st. Measurable precipitation falls on 9 days in a normal August, 4.90 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 20°C, 124 mm of precipitation in August.
- NOAA stationRichmond International Airport
- Station IDUSW00013740
- Location37.51°N 77.32°W
- Elevation164 ft (50 m)
- From the center9 miles
- Population233,655
- Jan 48° 29°
- Feb 52° 30°
- Mar 60° 37°
- Apr 70° 46°
- May 78° 56°
- Jun 86° 65°
- Jul 90° 69°
- Aug 88° 68°
- Sep 81° 61°
- Oct 71° 49°
- Nov 60° 39°
- Dec 52° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Richmond in August?
The normal high is 88°F and the normal low 68°F, for a daily mean of 77.5°F. August is 1.9°F cooler than July and 6.3°F warmer than September. August is the 2nd warmest month of the year in Richmond and the wettest. Across the month the normal high falls 3°F, from 89°F on August 1 to 86°F on August 31. From one year to the next August's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 76°F and 79°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 89°F | 69°F | 35% | 24% |
| August 8 | 88°F | 69°F | 34% | 23% |
| August 15 | 88°F | 68°F | 33% | 23% |
| August 22 | 87°F | 67°F | 31% | 21% |
| August 31 | 86°F | 66°F | 30% | 19% |
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 | 89°F | 69°F | 35% | 24% | 14 h 10 min |
| August 2 | 89°F | 69°F | 35% | 24% | 14 h |
| August 3 | 89°F | 69°F | 35% | 24% | 14 h |
| August 4 | 89°F | 69°F | 35% | 24% | 14 h |
| August 5 | 89°F | 69°F | 35% | 24% | 14 h |
| August 6 | 89°F | 69°F | 34% | 24% | 14 h |
| August 7 | 88°F | 69°F | 34% | 24% | 14 h |
| August 8 | 88°F | 69°F | 34% | 23% | 13 h 50 min |
| August 9 | 88°F | 68°F | 34% | 23% | 13 h 50 min |
| August 10 | 88°F | 68°F | 34% | 23% | 13 h 50 min |
| August 11 | 88°F | 68°F | 33% | 23% | 13 h 50 min |
| August 12 | 88°F | 68°F | 33% | 23% | 13 h 50 min |
| August 13 | 88°F | 68°F | 33% | 23% | 13 h 40 min |
| August 14 | 88°F | 68°F | 33% | 23% | 13 h 40 min |
| August 15 | 88°F | 68°F | 33% | 23% | 13 h 40 min |
| August 16 | 88°F | 68°F | 32% | 22% | 13 h 40 min |
| August 17 | 88°F | 68°F | 32% | 22% | 13 h 30 min |
| August 18 | 88°F | 68°F | 32% | 22% | 13 h 30 min |
| August 19 | 87°F | 67°F | 32% | 22% | 13 h 30 min |
| August 20 | 87°F | 67°F | 31% | 21% | 13 h 30 min |
| August 21 | 87°F | 67°F | 31% | 21% | 13 h 30 min |
| August 22 | 87°F | 67°F | 31% | 21% | 13 h 20 min |
| August 23 | 87°F | 67°F | 31% | 20% | 13 h 20 min |
| August 24 | 87°F | 67°F | 30% | 20% | 13 h 20 min |
| August 25 | 87°F | 67°F | 30% | 20% | 13 h 20 min |
| August 26 | 86°F | 67°F | 30% | 20% | 13 h 20 min |
| August 27 | 86°F | 66°F | 30% | 20% | 13 h 10 min |
| August 28 | 86°F | 66°F | 30% | 20% | 13 h 10 min |
| August 29 | 86°F | 66°F | 30% | 19% | 13 h 10 min |
| August 30 | 86°F | 66°F | 30% | 19% | 13 h 10 min |
| August 31 | 86°F | 66°F | 30% | 19% | 13 h |
- Normal high
- 88°FAugust average
- Normal low
- 68°FAugust average
- Precipitation
- 4.90 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 12
- Daylight
- 14 h 10 min to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 29
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013740; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Richmond in August?
On a given August day the chance of 0.01 inch or more is 32% on average, highest around August 1 (35%). In all, 4.90 in falls on 9 days of a normal August, 1 of them with an inch or more.
In a normal August in Richmond, 12 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013740.
How humid and windy is Richmond in August?
At 3 p.m. the normal temperature is 84°F with 52% relative humidity and a dew point of 65°F; at 6 a.m. it is 68°F with 90% humidity. The wind averages 6.6 mph, most often from the east in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 68°F | 65°F | 90% | 5.1 mph | 36% |
| 9 a.m. | 76°F | 66°F | 71% | 7.8 mph | 42% |
| noon | 82°F | 65°F | 56% | 8.3 mph | 28% |
| 3 p.m. | 84°F | 65°F | 52% | 8.8 mph | 18% |
| 6 p.m. | 80°F | 65°F | 62% | 7.8 mph | 33% |
| 9 p.m. | 73°F | 66°F | 79% | 5.6 mph | 44% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013740. 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 Richmond?
The warmest August temperature on Richmond's official record (since 1897) is 107°F, on August 6, 1918; the coldest is 46°F, on August 31, 1934. The wettest August brought 16.30 in (2004).
The August mean against the 1991-2020 normal of 77.5°F: 2021 79.9°F (+2.4), 2022 78.5°F (+1.0), 2023 78.9°F (+1.4), 2024 78.3°F (+0.8), 2025 73.8°F (−3.7), 2026 79.8°F (+2.3). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 79.9°F | +2.4°F | 7.21 in |
| 2022 | 78.5°F | +1.0°F | 4.07 in |
| 2023 | 78.9°F | +1.4°F | 2.08 in |
| 2024 | 78.3°F | +0.8°F | 5.05 in |
| 2025 | 73.8°F | −3.7°F | 2.53 in |
| 2026 | 79.8°F | +2.3°F | 5.89 in |
Source: records: ACIS, NWS threaded record RICthr; recent months: ACIS, station USW00013740. Records and recent months use complete months only.
How does August in Richmond compare across Virginia?
Across the 81 places PlainClimate covers in Virginia, August normal highs run from 79°F in Floyd to 90°F in Chesapeake; Richmond's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.