Beloit weather in August: Beloit, Wisconsin: normal highs, lows, rain and records for August

Beloit in August has a normal high of 78°F and a normal low of 58°F, a daily mean of 68°F, falling from 79°F on the 1st to 76°F by the 31st. Measurable precipitation falls on 9 days in a normal August, 4.14 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 26°C and low of 15°C, 105 mm of precipitation in August.

  • NOAA stationBeloit
  • Station IDUSC00470696
  • Location42.50°N 89.03°W
  • Elevation788 ft (240 m)
  • Population36,633
  1. Jan 25° 11°
  2. Feb 29° 14°
  3. Mar 42° 24°
  4. Apr 55° 34°
  5. May 67° 46°
  6. Jun 76° 56°
  7. Jul 80° 60°
  8. Aug 78° 58°
  9. Sep 71° 50°
  10. Oct 58° 39°
  11. Nov 43° 27°
  12. Dec 31° 17°

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

How warm is Beloit in August?

The normal high is 78°F and the normal low 58°F, for a daily mean of 68.1°F. August is 1.6°F cooler than July and 7.3°F warmer than September. August is the 2nd warmest month of the year in Beloit and the 3rd wettest. Across the month the normal high falls 3°F, from 79°F on August 1 to 76°F on August 31. From one year to the next August's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 66°F and 71°F.

Beloit 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 28%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 179°F60°F28%18%
August 879°F59°F28%18%
August 1578°F59°F28%18%
August 2278°F58°F28%19%
August 3176°F56°F27%19%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Beloit: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 179°F60°F28%18%14 h 30 min
August 279°F60°F28%18%14 h 30 min
August 379°F59°F28%18%14 h 30 min
August 479°F59°F28%18%14 h 20 min
August 579°F59°F28%18%14 h 20 min
August 679°F59°F28%18%14 h 20 min
August 779°F59°F28%18%14 h 20 min
August 879°F59°F28%18%14 h 10 min
August 979°F59°F28%18%14 h 10 min
August 1079°F59°F28%18%14 h 10 min
August 1179°F59°F28%18%14 h 10 min
August 1279°F59°F28%18%14 h 10 min
August 1379°F59°F28%18%14 h
August 1478°F59°F28%18%14 h
August 1578°F59°F28%18%14 h
August 1678°F58°F28%18%14 h
August 1778°F58°F28%18%13 h 50 min
August 1878°F58°F28%19%13 h 50 min
August 1978°F58°F28%19%13 h 50 min
August 2078°F58°F28%19%13 h 40 min
August 2178°F58°F28%19%13 h 40 min
August 2278°F58°F28%19%13 h 40 min
August 2377°F57°F28%19%13 h 40 min
August 2477°F57°F27%19%13 h 30 min
August 2577°F57°F27%19%13 h 30 min
August 2677°F57°F27%19%13 h 30 min
August 2777°F57°F27%19%13 h 30 min
August 2877°F56°F27%19%13 h 20 min
August 2976°F56°F27%19%13 h 20 min
August 3076°F56°F27%19%13 h 20 min
August 3176°F56°F27%19%13 h 20 min
Normal high
78°FAugust average
Normal low
58°FAugust average
Precipitation
4.14 inmonth total
Days with precipitation
90.01 inch or more
Days at 90°F or more
3
Daylight
14 h 30 min to 13 h 20 minAugust 1 to August 31
Days at 70°F or more
30
Days at 80°F or more
18
Sunshine
79%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00470696; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Beloit in August?

On a given August day the chance of 0.01 inch or more is 28% on average, highest around August 1 (28%). In all, 4.14 in falls on 9 days of a normal August, 1 of them with an inch or more.

In a normal August in Beloit, 3 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00470696.

What are the records for August in Beloit?

The warmest August temperature on this station's record (since 1893) is 102°F, on August 5, 1918; the coldest is 39°F, on August 30, 1915. The wettest August brought 13.15 in (2007).

The August mean against the 1991-2020 normal of 68.1°F: 2021 73.9°F (+5.8), 2022 70.6°F (+2.5), 2023 71.2°F (+3.1), 2024 72.2°F (+4.1), 2025 70.5°F (+2.5), 2026 71.3°F (+3.2). 6 of 6 ran warmer than normal.

Beloit: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202173.9°F+5.8°F3.68 in
202270.6°F+2.5°F5.46 in
202371.2°F+3.1°F2.01 in
202472.2°F+4.1°F2.71 in
202570.5°F+2.5°F5.90 in
202671.3°F+3.2°F4.57 in

Source: records: ACIS, station USC00470696; recent months: ACIS, station USC00470696. Records and recent months use complete months only.

How does August in Beloit compare across Wisconsin?

Across the 165 places PlainClimate covers in Wisconsin, August normal highs run from 71°F in Laona to 83°F in Lake Geneva; Beloit's is 78°F.

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

Other months and places