Trempealeau climate

Trempealeau Weather in August

NOAA 1991-2020 normals for Trempealeau Dam 6, 0.8 km from Trempealeau

Average highs run from 81°F on August 1 to 77°F on August 31, and lows from 62°F to 58°F. Normal precipitation for the month is 4.09 in over about 10 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 Trempealeau, 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
61°F
Precipitation
4.09 in
Record high
105°FAug 1, 1988
Record low
36°FAug 20, 1950
Chance of a freeze
0%
Days of 90°F or more
1.6
Daylight
14 h 35 min to 13 h 15 min
Cloud cover
53%
Humidity
74%
Dew point
60°F
Wind
8.3 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°F105°F 198849°F 197633%0%
Aug 281°F62°F103°F 198845°F 194833%0%
Aug 381°F62°F101°F 198849°F 195033%0%
Aug 481°F62°F98°F 194747°F 197133%0%
Aug 581°F62°F96°F 194745°F 194833%0%
Aug 681°F62°F100°F 200145°F 194833%0%
Aug 781°F62°F99°F 200149°F 197633%0%
Aug 881°F62°F97°F 194950°F 197232%0%
Aug 981°F62°F95°F 194945°F 197232%0%
Aug 1081°F62°F96°F 194445°F 198232%0%
Aug 1180°F62°F95°F 198845°F 198232%0%
Aug 1280°F61°F95°F 199546°F 198232%0%
Aug 1380°F61°F95°F 197846°F 194132%0%
Aug 1480°F61°F95°F 197843°F 196432%0%
Aug 1580°F61°F97°F 198843°F 197932%0%
Aug 1680°F61°F101°F 198844°F 197631%0%
Aug 1780°F61°F103°F 198848°F 194131%0%
Aug 1880°F61°F100°F 194744°F 194331%0%
Aug 1980°F61°F96°F 195543°F 195031%0%
Aug 2079°F60°F97°F 195536°F 195031%0%
Aug 2179°F60°F103°F 195540°F 200431%0%
Aug 2279°F60°F96°F 194739°F 195031%0%
Aug 2379°F60°F104°F 202342°F 194031%0%
Aug 2479°F60°F104°F 194839°F 194231%0%
Aug 2579°F60°F99°F 194843°F 195830%0%
Aug 2678°F59°F97°F 201346°F 196430%0%
Aug 2778°F59°F96°F 201343°F 194130%0%
Aug 2878°F59°F97°F 195542°F 198630%0%
Aug 2978°F59°F95°F 196640°F 196530%0%
Aug 3078°F58°F97°F 201246°F 196730%0%
Aug 3177°F58°F95°F 195342°F 196730%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Trempealeau, 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 5:54 AM, sunset 8:29 PM
August 31
sunrise 6:28 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 USC00478589 (Trempealeau Dam 6), public domain. Records: NOAA GHCN-Daily, station USW00014920, 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.