Goodwill climate

Goodwill Weather in August

NOAA 1991-2020 normals for Sisseton, 11.2 km from Goodwill

Average highs run from 82°F on August 1 to 78°F on August 31, and lows from 61°F to 55°F. Normal precipitation for the month is 2.45 in over about 8 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 Goodwill, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
80°F
Average low
59°F
Precipitation
2.45 in
Record high
99°FAug 17, 2003
Record low
35°FAug 21, 2004
Chance of a freeze
0%
Days of 90°F or more
2.8
Daylight
14 h 44 min to 13 h 19 min
Cloud cover
49%
Humidity
63%
Dew point
56°F
Wind
9.8 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 182°F61°F92°F 202352°F 200228%0%
Aug 282°F61°F96°F 202242°F 201828%0%
Aug 382°F61°F94°F 202447°F 202028%0%
Aug 482°F61°F93°F 200147°F 201528%0%
Aug 582°F60°F96°F 202247°F 201227%0%
Aug 682°F60°F92°F 200150°F 201627%0%
Aug 782°F60°F93°F 200151°F 199927%0%
Aug 881°F60°F95°F 200147°F 199927%0%
Aug 981°F60°F93°F 201650°F 202427%0%
Aug 1081°F60°F94°F 200045°F 201327%0%
Aug 1181°F60°F98°F 200046°F 201227%0%
Aug 1281°F60°F90°F 200947°F 200427%0%
Aug 1381°F59°F90°F 200744°F 200427%0%
Aug 1481°F59°F94°F 200043°F 200427%0%
Aug 1581°F59°F94°F 200350°F 200427%0%
Aug 1680°F59°F90°F 200346°F 200027%0%
Aug 1780°F59°F99°F 200342°F 201227%0%
Aug 1880°F59°F96°F 200341°F 200227%0%
Aug 1980°F58°F91°F 200341°F 200427%0%
Aug 2080°F58°F93°F 201339°F 200427%0%
Aug 2180°F58°F89°F 202035°F 200427%0%
Aug 2280°F58°F95°F 202344°F 200527%0%
Aug 2379°F58°F97°F 200346°F 200427%0%
Aug 2479°F57°F95°F 201243°F 200827%0%
Aug 2579°F57°F94°F 201342°F 201527%0%
Aug 2679°F57°F93°F 201344°F 201528%0%
Aug 2779°F57°F96°F 199948°F 202628%0%
Aug 2878°F56°F90°F 199846°F 200828%0%
Aug 2978°F56°F96°F 201342°F 201828%0%
Aug 3078°F56°F95°F 200037°F 200928%0%
Aug 3178°F55°F92°F 201343°F 200928%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Goodwill, 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 6:12 AM, sunset 8:56 PM
August 31
sunrise 6:49 AM, sunset 8:08 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00397742 (Sisseton), public domain. Records: NOAA GHCN-Daily, station USW00094993, 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.