Koochiching County climate

Koochiching County Weather in August

NOAA 1991-2020 normals for Big Falls, 5.5 km from Koochiching County

Average highs run from 77°F on August 1 to 71°F on August 31, and lows from 54°F to 49°F. Normal precipitation for the month is 3.36 in.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Koochiching County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
75°F
Average low
52°F
Precipitation
3.36 in
Record high
95°FAug 18, 1955
Record low
27°FAug 31, 1906
Chance of a freeze
3%
Days of 90°F or more
0.8
Daylight
15 h 00 min to 13 h 26 min
Cloud cover
58%
Humidity
66%
Dew point
54°F
Wind
4.9 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 177°F54°F93°F 192638°F 19590%
Aug 277°F54°F91°F 196434°F 20180%
Aug 377°F54°F92°F 191637°F 19070%
Aug 477°F54°F93°F 191438°F 19070%
Aug 577°F54°F92°F 195933°F 19100%
Aug 676°F53°F93°F 198839°F 20040%
Aug 776°F53°F94°F 198340°F 19260%
Aug 876°F53°F94°F 194937°F 20130%
Aug 976°F53°F92°F 202139°F 19940%
Aug 1076°F53°F90°F 198838°F 20120%
Aug 1176°F53°F92°F 196534°F 19540%
Aug 1276°F53°F93°F 199136°F 19060%
Aug 1375°F53°F94°F 197033°F 19970%
Aug 1475°F53°F92°F 192235°F 19640%
Aug 1575°F52°F90°F 202133°F 19790%
Aug 1675°F52°F93°F 197141°F 19580%
Aug 1775°F52°F92°F 202135°F 19540%
Aug 1875°F52°F95°F 195536°F 19100%
Aug 1974°F52°F94°F 195936°F 20040%
Aug 2074°F52°F91°F 191032°F 19070%
Aug 2174°F51°F87°F 197132°F 20040%
Aug 2274°F51°F91°F 192232°F 19580%
Aug 2373°F51°F88°F 201033°F 20040%
Aug 2473°F51°F92°F 194831°F 19080%
Aug 2573°F50°F92°F 195332°F 19500%
Aug 2673°F50°F91°F 195332°F 19150%
Aug 2772°F50°F95°F 199132°F 19820%
Aug 2872°F50°F93°F 198430°F 19820%
Aug 2972°F49°F90°F 196133°F 19110%
Aug 3072°F49°F88°F 192132°F 20090%
Aug 3171°F49°F94°F 192127°F 19060%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Koochiching County, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:51 AM, sunset 8:51 PM
August 31
sunrise 6:32 AM, sunset 7:58 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00210746 (Big Falls), public domain. Records: NOAA GHCN-Daily, station USW00014918, 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.