Postville climate

Postville Weather in August

NOAA 1991-2020 normals for Postville, 1 km from Postville

Average highs run from 83°F on August 1 to 79°F on August 31, and lows from 61°F to 55°F. Normal precipitation for the month is 4.36 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 Postville, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
81°F
Average low
58°F
Precipitation
4.36 in
Record high
105°FAug 23, 2023
Record low
32°FAug 30, 1915
Chance of a freeze
0%
Days of 90°F or more
1.8
Daylight
14 h 31 min to 13 h 13 min
Cloud cover
53%
Humidity
75%
Dew point
61°F
Wind
8.1 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 183°F61°F100°F 198840°F 192729%0%
Aug 282°F60°F101°F 196440°F 192729%0%
Aug 382°F60°F101°F 193040°F 189429%0%
Aug 482°F60°F98°F 189642°F 191229%0%
Aug 582°F60°F97°F 190942°F 199429%0%
Aug 682°F60°F101°F 193144°F 195729%0%
Aug 782°F60°F102°F 189446°F 199329%0%
Aug 882°F60°F102°F 189439°F 190429%0%
Aug 982°F60°F101°F 193636°F 192729%0%
Aug 1082°F60°F97°F 190041°F 192729%0%
Aug 1182°F59°F98°F 192341°F 193029%0%
Aug 1282°F59°F101°F 193642°F 193129%0%
Aug 1381°F59°F97°F 190045°F 193129%0%
Aug 1481°F59°F97°F 190036°F 196429%0%
Aug 1581°F59°F103°F 193637°F 192929%0%
Aug 1681°F59°F104°F 193741°F 199229%0%
Aug 1781°F58°F100°F 198842°F 196229%0%
Aug 1881°F58°F102°F 193643°F 196329%0%
Aug 1981°F58°F97°F 191640°F 192929%0%
Aug 2080°F58°F97°F 191637°F 195029%0%
Aug 2180°F58°F104°F 195538°F 200429%0%
Aug 2280°F57°F97°F 191640°F 192329%0%
Aug 2380°F57°F105°F 202341°F 192029%0%
Aug 2480°F57°F105°F 202335°F 192729%0%
Aug 2580°F57°F99°F 194835°F 195829%0%
Aug 2679°F56°F97°F 202437°F 193429%0%
Aug 2779°F56°F98°F 202439°F 189629%0%
Aug 2879°F56°F98°F 195539°F 193529%0%
Aug 2979°F56°F95°F 194833°F 193429%0%
Aug 3079°F55°F96°F 193732°F 191528%0%
Aug 3179°F55°F97°F 193732°F 191528%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Postville, 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 5:57 AM, sunset 8:28 PM
August 31
sunrise 6:30 AM, sunset 7:43 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00136766 (Postville), public domain. Records: NOAA GHCN-Daily, station USC00132110, 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.