Granite Falls climate

Granite Falls Weather in August

NOAA 1991-2020 normals for Granite Falls, 0.6 km from Granite Falls

Average highs run from 84°F on August 1 to 80°F on August 31, and lows from 60°F to 54°F. Normal precipitation for the month is 3.81 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 Granite Falls, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
82°F
Average low
58°F
Precipitation
3.81 in
Record high
103°FAug 22, 2023
Record low
34°FAug 31, 1895
Chance of a freeze
0%
Days of 90°F or more
4.1
Daylight
14 h 40 min to 13 h 18 min
Cloud cover
50%
Humidity
66%
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 184°F60°F101°F 201249°F 200925%0%
Aug 284°F60°F99°F 202249°F 201825%0%
Aug 384°F60°F98°F 202340°F 189425%0%
Aug 484°F60°F102°F 189642°F 189425%0%
Aug 584°F60°F93°F 202251°F 200925%0%
Aug 683°F60°F99°F 189453°F 201625%0%
Aug 783°F60°F99°F 189652°F 189525%0%
Aug 883°F59°F99°F 189451°F 201925%0%
Aug 983°F59°F96°F 189650°F 202425%0%
Aug 1083°F59°F97°F 189646°F 202425%0%
Aug 1183°F59°F93°F 200743°F 189325%0%
Aug 1283°F59°F94°F 189442°F 189325%0%
Aug 1382°F59°F102°F 189549°F 201225%0%
Aug 1482°F58°F94°F 201550°F 189525%0%
Aug 1582°F58°F91°F 201540°F 189525%0%
Aug 1682°F58°F93°F 189440°F 189525%0%
Aug 1782°F58°F96°F 202142°F 201225%0%
Aug 1882°F57°F93°F 189443°F 189325%0%
Aug 1981°F57°F95°F 202348°F 189525%0%
Aug 2081°F57°F92°F 189343°F 189525%0%
Aug 2181°F57°F94°F 189347°F 201625%0%
Aug 2281°F56°F103°F 202349°F 189625%0%
Aug 2381°F56°F92°F 189343°F 189624%0%
Aug 2481°F56°F91°F 201244°F 189624%0%
Aug 2581°F56°F95°F 201342°F 189624%0%
Aug 2680°F55°F96°F 189537°F 189624%0%
Aug 2780°F55°F95°F 201339°F 189624%0%
Aug 2880°F55°F94°F 189443°F 189324%0%
Aug 2980°F54°F95°F 189638°F 189324%0%
Aug 3080°F54°F90°F 200838°F 189624%0%
Aug 3180°F54°F94°F 202234°F 189524%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Granite Falls, 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 6:08 AM, sunset 8:48 PM
August 31
sunrise 6:43 AM, sunset 8:01 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00213311 (Granite Falls), public domain. Records: NOAA GHCN-Daily, station USC00213311, 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.