Rock Hall climate

Rock Hall Weather in August

NOAA 1991-2020 normals for Chestertown, 18 km from Rock Hall

Average highs run from 86°F on August 1 to 83°F on August 31, and lows from 69°F to 65°F. Normal precipitation for the month is 3.56 in over about 8 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 Rock Hall, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
85°F
Average low
67°F
Precipitation
3.56 in
Record high
99°FAug 31, 1953
Record low
48°FAug 31, 1934
Chance of a freeze
0%
Days of 90°F or more
10.8
Daylight
14 h 12 min to 13 h 04 min
Cloud cover
54%
Humidity
71%
Dew point
66°F
Wind
7.4 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 186°F69°F95°F 193359°F 193628%0%
Aug 286°F68°F96°F 202460°F 192728%0%
Aug 386°F68°F98°F 202455°F 195928%0%
Aug 486°F68°F97°F 192857°F 192728%0%
Aug 586°F68°F97°F 192860°F 192728%0%
Aug 686°F68°F96°F 192860°F 195728%0%
Aug 786°F68°F98°F 193159°F 193428%0%
Aug 886°F68°F97°F 193060°F 193628%0%
Aug 986°F68°F95°F 193160°F 193627%0%
Aug 1086°F68°F96°F 202258°F 192727%0%
Aug 1186°F68°F94°F 192957°F 192727%0%
Aug 1286°F68°F94°F 201656°F 193027%0%
Aug 1385°F68°F96°F 193552°F 193027%0%
Aug 1485°F68°F96°F 201655°F 195427%0%
Aug 1585°F68°F98°F 201659°F 193226%0%
Aug 1685°F67°F98°F 193856°F 192726%0%
Aug 1785°F67°F95°F 193955°F 201326%0%
Aug 1885°F67°F95°F 201856°F 194126%0%
Aug 1985°F67°F94°F 195660°F 192725%0%
Aug 2085°F67°F97°F 201957°F 193025%0%
Aug 2185°F67°F95°F 201953°F 192925%0%
Aug 2285°F67°F92°F 193657°F 193225%0%
Aug 2385°F67°F95°F 201959°F 193125%0%
Aug 2484°F66°F93°F 202153°F 193024%0%
Aug 2584°F66°F93°F 193652°F 192724%0%
Aug 2684°F66°F93°F 202155°F 192724%0%
Aug 2784°F66°F93°F 202155°F 192724%0%
Aug 2884°F66°F94°F 202155°F 192724%0%
Aug 2984°F66°F96°F 201855°F 194124%0%
Aug 3083°F65°F96°F 201852°F 193424%0%
Aug 3183°F65°F99°F 195348°F 193424%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Rock Hall, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:05 AM, sunset 8:17 PM
August 31
sunrise 6:33 AM, sunset 7:37 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00181750 (Chestertown), public domain. Records: NOAA GHCN-Daily, station USC00188557, 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.