International Falls weather in August: International Falls, Minnesota: normal highs, lows, rain and records for August

International Falls in August has a normal high of 76°F and a normal low of 50°F, a daily mean of 63°F, falling from 78°F on the 1st to 73°F by the 31st. Measurable precipitation falls on 11 days in a normal August, 2.82 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 24°C and low of 10°C, 72 mm of precipitation in August.

  • NOAA stationInternational Falls International Airport
  • Station IDUSW00014918
  • Location48.56°N 93.40°W
  • Elevation1,183 ft (361 m)
  • Population5,498
  1. Jan 16° -6°
  2. Feb 22° -3°
  3. Mar 35° 12°
  4. Apr 50° 26°
  5. May 64° 38°
  6. Jun 74° 48°
  7. Jul 78° 52°
  8. Aug 76° 50°
  9. Sep 66° 42°
  10. Oct 51° 31°
  11. Nov 34° 18°
  12. Dec 21° 3°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is International Falls in August?

The normal high is 76°F and the normal low 50°F, for a daily mean of 62.8°F. August is 2.1°F cooler than July and 8.6°F warmer than September. August is the 2nd warmest month of the year in International Falls and the 5th wettest. Across the month the normal high falls 5°F, from 78°F on August 1 to 73°F on August 31. From one year to the next August's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 60°F and 65°F.

International Falls in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 39%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 178°F52°F36%20%
August 878°F51°F36%19%
August 1577°F50°F36%19%
August 2275°F49°F37%20%
August 3173°F47°F39%20%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
International Falls: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 178°F52°F36%20%15 h 10 min
August 278°F52°F36%19%15 h
August 378°F52°F36%19%15 h
August 478°F51°F36%19%15 h
August 578°F51°F36%19%15 h
August 678°F51°F36%19%14 h 50 min
August 778°F51°F36%19%14 h 50 min
August 878°F51°F36%19%14 h 50 min
August 977°F51°F36%19%14 h 40 min
August 1077°F51°F36%19%14 h 40 min
August 1177°F51°F36%19%14 h 40 min
August 1277°F51°F36%19%14 h 30 min
August 1377°F50°F36%19%14 h 30 min
August 1477°F50°F36%19%14 h 30 min
August 1577°F50°F36%19%14 h 30 min
August 1676°F50°F36%19%14 h 20 min
August 1776°F50°F36%19%14 h 20 min
August 1876°F50°F36%19%14 h 20 min
August 1976°F50°F36%19%14 h 10 min
August 2076°F49°F36%19%14 h 10 min
August 2175°F49°F37%20%14 h 10 min
August 2275°F49°F37%20%14 h
August 2375°F49°F37%20%14 h
August 2475°F49°F37%20%14 h
August 2574°F48°F37%20%13 h 50 min
August 2674°F48°F37%20%13 h 50 min
August 2774°F48°F38%20%13 h 50 min
August 2874°F48°F38%20%13 h 40 min
August 2973°F47°F38%20%13 h 40 min
August 3073°F47°F38%20%13 h 40 min
August 3173°F47°F39%20%13 h 30 min
Normal high
76°FAugust average
Normal low
50°FAugust average
Precipitation
2.82 inmonth total
Days with precipitation
110.01 inch or more
Days at 90°F or more
1
Daylight
15 h 10 min to 13 h 30 minAugust 1 to August 31
Days at 70°F or more
26
Days at 80°F or more
10
Sunshine
76%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014918; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in International Falls in August?

On a given August day the chance of 0.01 inch or more is 36% on average, highest around August 31 (39%). In all, 2.82 in falls on 11 days of a normal August, 1 of them with an inch or more.

In a normal August in International Falls, 1 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014918.

How humid and windy is International Falls in August?

At 3 p.m. the normal temperature is 71°F with 55% relative humidity and a dew point of 54°F; at 6 a.m. it is 53°F with 92% humidity. The wind averages 6.7 mph, most often from the west-southwest in the afternoon.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.53°F51°F92%4.9 mph54%
9 a.m.63°F55°F75%8.0 mph52%
noon69°F55°F60%9.6 mph45%
3 p.m.71°F54°F55%9.8 mph47%
6 p.m.68°F55°F62%6.9 mph57%
9 p.m.59°F53°F83%5.1 mph59%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00014918. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for August in International Falls?

The warmest August temperature on International Falls's official record (since 1897) is 96°F, on August 9, 1920; the coldest is 27°F, on August 31, 1906. The wettest August brought 11.26 in (1942).

The August mean against the 1991-2020 normal of 62.8°F: 2021 67.2°F (+4.4), 2022 65.7°F (+2.9), 2023 63.5°F (+0.7), 2024 64.7°F (+1.9), 2025 63.9°F (+1.1), 2026 62.4°F (−0.4). 5 of 6 ran warmer than normal.

International Falls: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202167.2°F+4.4°F2.80 in
202265.7°F+2.9°F3.20 in
202363.5°F+0.7°F2.35 in
202464.7°F+1.9°F2.69 in
202563.9°F+1.1°F1.25 in
202662.4°F−0.4°F3.90 in

Source: records: ACIS, NWS threaded record INLthr; recent months: ACIS, station USW00014918. Records and recent months use complete months only.

How does August in International Falls compare across Minnesota?

Across the 129 places PlainClimate covers in Minnesota, August normal highs run from 70°F in Grand Marais to 82°F in Little Falls; International Falls's is 76°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places