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

Wausau in August has a normal high of 78°F and a normal low of 57°F, a daily mean of 67°F, falling from 80°F on the 1st to 75°F by the 31st. Measurable precipitation falls on 11 days in a normal August, 4.07 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 26°C and low of 14°C, 103 mm of precipitation in August.

  • NOAA stationWausau Asos
  • Station IDUSW00014897
  • Location44.93°N 89.63°W
  • Elevation1,181 ft (360 m)
  • Population40,262
  1. Jan 23° 7°
  2. Feb 27° 10°
  3. Mar 40° 21°
  4. Apr 54° 32°
  5. May 67° 45°
  6. Jun 76° 55°
  7. Jul 80° 59°
  8. Aug 78° 57°
  9. Sep 70° 49°
  10. Oct 56° 37°
  11. Nov 40° 25°
  12. Dec 28° 14°

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

How warm is Wausau in August?

The normal high is 78°F and the normal low 57°F, for a daily mean of 67.4°F. August is 2.1°F cooler than July and 8.2°F warmer than September. August is the 2nd warmest month of the year in Wausau and the 2nd wettest. Across the month the normal high falls 5°F, from 80°F on August 1 to 75°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 65°F and 70°F.

Wausau 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 36%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 180°F59°F36%22%
August 879°F58°F35%22%
August 1578°F57°F34%22%
August 2277°F56°F34%22%
August 3175°F54°F34%22%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Wausau: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 180°F59°F36%22%14 h 40 min
August 280°F59°F36%22%14 h 40 min
August 380°F59°F36%22%14 h 40 min
August 480°F59°F36%22%14 h 40 min
August 580°F58°F36%22%14 h 30 min
August 679°F58°F36%22%14 h 30 min
August 779°F58°F35%22%14 h 30 min
August 879°F58°F35%22%14 h 30 min
August 979°F58°F35%22%14 h 20 min
August 1079°F58°F35%22%14 h 20 min
August 1179°F58°F35%22%14 h 20 min
August 1279°F58°F35%22%14 h 20 min
August 1379°F58°F35%22%14 h 10 min
August 1478°F58°F34%22%14 h 10 min
August 1578°F57°F34%22%14 h 10 min
August 1678°F57°F34%22%14 h 10 min
August 1778°F57°F34%22%14 h
August 1878°F57°F34%22%14 h
August 1978°F57°F34%22%14 h
August 2078°F57°F34%22%13 h 50 min
August 2177°F56°F34%22%13 h 50 min
August 2277°F56°F34%22%13 h 50 min
August 2377°F56°F34%22%13 h 50 min
August 2477°F56°F34%22%13 h 40 min
August 2577°F56°F34%22%13 h 40 min
August 2676°F55°F34%22%13 h 40 min
August 2776°F55°F34%22%13 h 30 min
August 2876°F55°F34%22%13 h 30 min
August 2976°F55°F34%22%13 h 30 min
August 3075°F54°F34%22%13 h 20 min
August 3175°F54°F34%22%13 h 20 min
Normal high
78°FAugust average
Normal low
57°FAugust average
Precipitation
4.07 inmonth total
Days with precipitation
110.01 inch or more
Days at 90°F or more
1
Daylight
14 h 40 min to 13 h 20 minAugust 1 to August 31
Days at 70°F or more
28
Days at 80°F or more
14
Sunshine
77%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014897; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Wausau in August?

On a given August day the chance of 0.01 inch or more is 35% on average, highest around August 1 (36%). In all, 4.07 in falls on 11 days of a normal August, 1 of them with an inch or more.

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

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014897.

How humid and windy is Wausau in August?

At 3 p.m. the normal temperature is 75°F with 51% relative humidity and a dew point of 56°F; at 6 a.m. it is 58°F with 91% humidity. The wind averages 6.5 mph, most often from the 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.58°F55°F91%4.7 mph58%
9 a.m.66°F57°F72%7.4 mph62%
noon73°F57°F56%9.3 mph52%
3 p.m.75°F56°F51%9.5 mph48%
6 p.m.72°F57°F59%7.1 mph64%
9 p.m.64°F57°F79%4.9 mph70%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00014897. 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 Wausau?

The warmest August temperature on Wausau's official record (since 1895) is 99°F, on August 24, 1948; the coldest is 32°F, on August 30, 1915. The wettest August brought 13.87 in (1995).

The August mean against the 1991-2020 normal of 67.4°F: 2021 71.7°F (+4.3), 2022 70.2°F (+2.8), 2023 69.0°F (+1.6), 2024 68.2°F (+0.8), 2025 67.0°F (−0.4), 2026 69.5°F (+2.1). 5 of 6 ran warmer than normal.

Wausau: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202171.7°F+4.3°F9.60 in
202270.2°F+2.8°F4.65 in
202369.0°F+1.6°F1.81 in
202468.2°F+0.8°F5.89 in
202567.0°F−0.4°F3.49 in
202669.5°F+2.1°F2.60 in

Source: records: ACIS, NWS threaded record AUWthr; recent months: ACIS, station USW00014897. Records and recent months use complete months only.

How does August in Wausau 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; Wausau's is 78°F.

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

Other months and places