Climateby Month

Richmond, VA weather in August

NOAA 1991-2020 normals and daily records · Richmond all year

Expect hot, oppressively humid weather with some rain in Richmond in August, with highs near 88°F and lows near 68°F. Rain falls on about 9 days. It is one of the warmest months in Richmond.

Normal high
88°F
Normal low
68°F
Wet days
9
4.9 in total
Muggy days
22
dew point 65°F+

How August changes from start to finish

Normal values at the start and end of August
August 1August 31
Normal high89°F86°F
Normal low69°F66°F
Chance of a wet day35%30%
Sunrise / sunset6:13 am / 8:18 pm6:39 am / 7:40 pm
Daylight14.1 h13.0 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical August day

  1. 6 am70°Fdew point 67°F
  2. 9 am78°Fdew point 68°F
  3. Noon84°Fdew point 67°F
  4. 3 pm85°Fdew point 66°F
  5. 6 pm82°Fdew point 67°F
  6. 9 pm75°Fdew point 68°F

NOAA hourly normals (local standard time) from Richmond Intl Airport (8 mi away); average wind 6 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
  • Hot dayshigh 90°F or more12 of 31
  • Muggy daysdaily mean dew point 65°F or more22 of 31
  • Wet daysat least 0.01 in of rain or melted snow9 of 31
  • Notable rainat least 0.10 in7 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 4.9 in; a dry August brings about 2.6 in and a wet one about 6.0 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.

How August varies from year to year

  • Warmest August, 1991-20202007: average high 91°F
  • Coolest August1996: average high 83°F
  • Wettest August2004: 16.3 in
  • Driest August2016: 0.5 in
  • Highest reading104°F (August 8, 2007)
  • Lowest reading53°F (August 20, 1998)

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

JulyAugustSeptember
Normal high90°F88°F81°F
Normal low69°F68°F61°F
Wet days1199
Comfortable days018
Daylight14.5 h13.6 h12.4 h

Highs change by -2°F from July and -7°F into September.

Nearby alternatives in August

How Richmond ranks in August

  • Normal high173rd warmest of 378 cities; 1st of 5 in Virginia
  • Wet days219th driest of 378
  • Comfortable days204th most of 341

What to pack for Richmond in August

  • Light, breathable clothing – highs near 88°F and about 22 muggy days
  • A rain jacket or umbrella – rain on about 9 days

Heating and cooling

August has 0 heating degree days and 389 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.

Questions

How hot is Richmond in August?

The normal high is 88°F and the normal low is 68°F. From 1991 to 2020 the hottest August reading was 104°F (August 8, 2007).

Does it rain a lot in Richmond in August?

About 9 days in August have at least 0.01 in of precipitation, and the normal total is 4.9 in. The wettest August in 1991-2020 was in 2004 (16.3 in); the driest was in 2016 (0.5 in).

Is August a good time to visit Richmond?

August ranks 9th of 12 months on our comfort score for Richmond (45 out of 100). It has about 1 comfortable day and about 12 days at 90°F or hotter. The best months are April, May and October.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Richmond Intl Airport (USW00013740), 8.4 mi ESE of the city center, 164 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Richmond International Airport (724010-13740), 8.1 mi ESE of the city center, 166 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).