Richmond climate

Richmond Weather in August

NOAA 1991-2020 normals for Collegeville St John's, 17.1 km from Richmond

Average highs run from 81°F on August 1 to 76°F on August 31, and lows from 61°F to 56°F. Normal precipitation for the month is 4.09 in over about 9 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Richmond, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
78°F
Average low
59°F
Precipitation
4.09 in
Record high
102°FAug 1, 1988
Record low
35°FAug 24, 1934
Chance of a freeze
0%
Days of 90°F or more
1.8
Daylight
14 h 44 min to 13 h 19 min
Cloud cover
50%
Humidity
68%
Dew point
57°F
Wind
9.2 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 181°F61°F102°F 198845°F 192729%0%
Aug 280°F61°F98°F 194743°F 198629%0%
Aug 380°F61°F102°F 190046°F 190729%0%
Aug 480°F61°F100°F 190043°F 191029%0%
Aug 580°F60°F99°F 195944°F 191029%0%
Aug 680°F60°F98°F 198344°F 190229%0%
Aug 780°F60°F99°F 198346°F 192130%0%
Aug 880°F60°F100°F 194946°F 190130%0%
Aug 980°F60°F96°F 194745°F 192730%0%
Aug 1080°F60°F101°F 194745°F 196730%0%
Aug 1179°F60°F100°F 194740°F 190230%0%
Aug 1279°F60°F95°F 196543°F 189330%0%
Aug 1379°F60°F97°F 189539°F 196430%0%
Aug 1479°F59°F98°F 192243°F 196430%0%
Aug 1579°F59°F102°F 193644°F 197930%0%
Aug 1679°F59°F101°F 198843°F 192430%0%
Aug 1778°F59°F100°F 198846°F 194330%0%
Aug 1878°F59°F100°F 197644°F 189330%0%
Aug 1978°F59°F97°F 190042°F 200430%0%
Aug 2078°F58°F98°F 190138°F 195030%0%
Aug 2178°F58°F100°F 190140°F 200430%0%
Aug 2278°F58°F96°F 189840°F 192330%0%
Aug 2377°F58°F97°F 194942°F 192730%0%
Aug 2477°F58°F96°F 194935°F 193430%0%
Aug 2577°F57°F95°F 194838°F 193430%0%
Aug 2677°F57°F97°F 192440°F 189630%0%
Aug 2777°F57°F95°F 190938°F 189630%0%
Aug 2876°F57°F96°F 198435°F 193430%0%
Aug 2976°F57°F98°F 192140°F 189330%0%
Aug 3076°F56°F96°F 189836°F 193130%0%
Aug 3176°F56°F100°F 189840°F 189531%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Richmond, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:02 AM, sunset 8:46 PM
August 31
sunrise 6:38 AM, sunset 7:57 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00211691 (Collegeville St John's), public domain. Records: NOAA GHCN-Daily, station USC00215842, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.