Winthrop climate

Winthrop Weather in August

NOAA 1991-2020 normals for Brownton Wwtp, 21.3 km from Winthrop

Average highs run from 81°F on August 1 to 77°F on August 31, and lows from 61°F to 55°F. Normal precipitation for the month is 4.39 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 Winthrop, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
79°F
Average low
58°F
Precipitation
4.39 in
Record high
107°FAug 3, 1930
Record low
34°FAug 29, 1946
Chance of a freeze
0%
Days of 90°F or more
0.8
Daylight
14 h 39 min to 13 h 17 min
Cloud cover
51%
Humidity
67%
Dew point
58°F
Wind
8.7 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°F61°F104°F 193540°F 189826%0%
Aug 281°F61°F103°F 193036°F 191526%0%
Aug 381°F61°F107°F 193045°F 197126%0%
Aug 481°F60°F103°F 189643°F 197827%0%
Aug 581°F60°F105°F 194741°F 192627%0%
Aug 680°F60°F103°F 194745°F 192627%0%
Aug 780°F60°F101°F 193444°F 192127%0%
Aug 880°F60°F102°F 193444°F 192227%0%
Aug 980°F60°F102°F 193646°F 192727%0%
Aug 1080°F60°F102°F 189941°F 191027%0%
Aug 1180°F60°F104°F 194743°F 196727%0%
Aug 1280°F59°F102°F 194740°F 194627%0%
Aug 1380°F59°F97°F 197139°F 196427%0%
Aug 1480°F59°F98°F 193039°F 196427%0%
Aug 1580°F59°F97°F 193842°F 192927%0%
Aug 1679°F59°F106°F 193645°F 192427%0%
Aug 1779°F58°F98°F 195542°F 194327%0%
Aug 1879°F58°F102°F 193442°F 194428%0%
Aug 1979°F58°F97°F 195539°F 196728%0%
Aug 2079°F58°F98°F 190037°F 195028%0%
Aug 2179°F58°F96°F 190135°F 200428%0%
Aug 2278°F57°F99°F 194738°F 192327%0%
Aug 2378°F57°F97°F 194741°F 192727%0%
Aug 2478°F57°F99°F 192935°F 192727%0%
Aug 2578°F57°F102°F 193641°F 195827%0%
Aug 2678°F56°F97°F 193739°F 193427%0%
Aug 2778°F56°F102°F 192641°F 194127%0%
Aug 2877°F56°F98°F 189535°F 193427%0%
Aug 2977°F55°F100°F 192134°F 194627%0%
Aug 3077°F55°F98°F 194138°F 191527%0%
Aug 3177°F55°F98°F 194137°F 192827%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Winthrop, 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 6:04 AM, sunset 8:43 PM
August 31
sunrise 6:39 AM, sunset 7:56 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00211065 (Brownton Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00215887, 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.