Petersburg climate

Petersburg Weather in August

NOAA 1991-2020 normals for Abernathy, 23.1 km from Petersburg

Average highs run from 92°F on August 1 to 88°F on August 31, and lows from 67°F to 63°F. Normal precipitation for the month is 2.00 in over about 6 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 Petersburg, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
91°F
Average low
66°F
Precipitation
2.00 in
Record high
109°FAug 26, 2019
Record low
51°FAug 26, 2010
Chance of a freeze
0%
Days of 90°F or more
19.1
Daylight
13 h 49 min to 12 h 53 min
Cloud cover
44%
Humidity
51%
Dew point
59°F
Wind
9.4 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 192°F67°F106°F 196659°F 200018%0%
Aug 292°F67°F105°F 201258°F 197118%0%
Aug 392°F67°F103°F 200357°F 194918%0%
Aug 492°F67°F105°F 200359°F 202118%0%
Aug 592°F67°F104°F 202359°F 197818%0%
Aug 692°F67°F105°F 201357°F 199018%0%
Aug 792°F67°F105°F 202458°F 197118%0%
Aug 892°F67°F106°F 202458°F 198918%0%
Aug 992°F67°F105°F 202557°F 198918%0%
Aug 1092°F67°F104°F 201161°F 196719%0%
Aug 1191°F67°F107°F 202357°F 196019%0%
Aug 1291°F67°F107°F 202354°F 197919%0%
Aug 1391°F66°F107°F 202058°F 200319%0%
Aug 1491°F66°F107°F 202061°F 196719%0%
Aug 1591°F66°F103°F 198258°F 201619%0%
Aug 1691°F66°F103°F 201959°F 195519%0%
Aug 1791°F66°F107°F 202358°F 200419%0%
Aug 1891°F66°F105°F 201956°F 196719%0%
Aug 1991°F65°F103°F 199457°F 201519%0%
Aug 2090°F65°F102°F 202655°F 195619%0%
Aug 2190°F65°F105°F 202452°F 195619%0%
Aug 2290°F65°F107°F 202458°F 196719%0%
Aug 2390°F65°F106°F 202455°F 196119%0%
Aug 2490°F64°F107°F 202655°F 197019%0%
Aug 2589°F64°F104°F 201954°F 196219%0%
Aug 2689°F64°F109°F 201951°F 201019%0%
Aug 2789°F64°F100°F 201855°F 196219%0%
Aug 2889°F63°F104°F 202556°F 197019%0%
Aug 2988°F63°F99°F 199055°F 197019%0%
Aug 3088°F63°F104°F 201155°F 196719%0%
Aug 3188°F63°F100°F 201454°F 199319%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Petersburg, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:58 AM, sunset 8:47 PM
August 31
sunrise 7:20 AM, sunset 8:13 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00410012 (Abernathy), public domain. Records: NOAA GHCN-Daily, station USW00023042, 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.