Peosta climate

Peosta Weather in August

NOAA 1991-2020 normals for Dubuque Rgnl AP, 13.4 km from Peosta

Average highs run from 81°F on August 1 to 78°F on August 31, and lows from 62°F to 57°F. Normal precipitation for the month is 3.95 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 Peosta, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
80°F
Average low
60°F
Precipitation
3.95 in
Record high
100°FAug 1, 1988
Record low
40°FAug 28, 1986
Chance of a freeze
0%
Days of 90°F or more
1.4
Daylight
14 h 27 min to 13 h 11 min
Cloud cover
53%
Humidity
75%
Dew point
61°F
Wind
7.8 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°F62°F100°F 198851°F 199230%0%
Aug 281°F62°F98°F 198850°F 200930%0%
Aug 381°F62°F98°F 198848°F 197630%0%
Aug 481°F61°F97°F 198843°F 197830%0%
Aug 581°F61°F90°F 196547°F 197830%0%
Aug 681°F61°F93°F 198449°F 200430%0%
Aug 781°F61°F95°F 198446°F 198930%0%
Aug 881°F61°F97°F 198347°F 198930%0%
Aug 980°F61°F96°F 200547°F 196630%0%
Aug 1080°F61°F96°F 198349°F 202429%0%
Aug 1180°F61°F92°F 198848°F 202429%0%
Aug 1280°F61°F94°F 199547°F 197729%0%
Aug 1380°F61°F93°F 199545°F 200429%0%
Aug 1480°F61°F93°F 198846°F 200429%0%
Aug 1580°F60°F98°F 198845°F 197929%0%
Aug 1680°F60°F99°F 198847°F 199229%0%
Aug 1780°F60°F99°F 198848°F 198129%0%
Aug 1880°F60°F93°F 195546°F 196329%0%
Aug 1980°F60°F99°F 198347°F 198529%0%
Aug 2079°F60°F96°F 195544°F 196729%0%
Aug 2179°F60°F95°F 195541°F 200429%0%
Aug 2279°F59°F94°F 196849°F 195229%0%
Aug 2379°F59°F97°F 202345°F 195229%0%
Aug 2479°F59°F94°F 202345°F 195829%0%
Aug 2579°F59°F92°F 200342°F 195829%0%
Aug 2679°F59°F95°F 200344°F 196429%0%
Aug 2778°F58°F94°F 202444°F 198630%0%
Aug 2878°F58°F97°F 198440°F 198630%0%
Aug 2978°F58°F99°F 198443°F 198629%0%
Aug 3078°F58°F93°F 195345°F 197429%0%
Aug 3178°F57°F96°F 195342°F 196729%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Peosta, 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 (CDT).

August 1
sunrise 5:56 AM, sunset 8:23 PM
August 31
sunrise 6:28 AM, sunset 7:39 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094908 (Dubuque Rgnl AP), public domain. Records: NOAA GHCN-Daily, station USW00094908, 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.