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

Beaver Dam in August has a normal high of 78°F and a normal low of 58°F, a daily mean of 68°F, falling from 80°F on the 1st to 76°F by the 31st. Measurable precipitation falls on 10 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 15°C, 103 mm of precipitation in August.

  • NOAA stationBeaver Dam Wastewater Treatment Plant
  • Station IDUSC00470645
  • Location43.44°N 88.85°W
  • Elevation861 ft (262 m)
  • From the center2 miles
  • Population16,443
  1. Jan 25° 9°
  2. Feb 29° 11°
  3. Mar 41° 23°
  4. Apr 54° 34°
  5. May 67° 46°
  6. Jun 77° 56°
  7. Jul 80° 60°
  8. Aug 78° 58°
  9. Sep 72° 50°
  10. Oct 58° 38°
  11. Nov 43° 26°
  12. Dec 30° 15°

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

How warm is Beaver Dam in August?

The normal high is 78°F and the normal low 58°F, for a daily mean of 68.3°F. August is 1.7°F cooler than July and 7.7°F warmer than September. August is the 2nd warmest month of the year in Beaver Dam and the 3rd wettest. Across the month the normal high falls 4°F, from 80°F on August 1 to 76°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 66°F and 71°F.

Beaver Dam 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 32%).

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°F60°F32%22%
August 879°F59°F31%22%
August 1579°F59°F31%21%
August 2278°F58°F30%21%
August 3176°F55°F30%21%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Beaver Dam: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 180°F60°F32%22%14 h 40 min
August 280°F60°F32%22%14 h 30 min
August 379°F60°F32%22%14 h 30 min
August 479°F60°F31%22%14 h 30 min
August 579°F60°F31%22%14 h 30 min
August 679°F60°F31%22%14 h 20 min
August 779°F60°F31%22%14 h 20 min
August 879°F59°F31%22%14 h 20 min
August 979°F59°F31%22%14 h 20 min
August 1079°F59°F31%22%14 h 10 min
August 1179°F59°F31%22%14 h 10 min
August 1279°F59°F31%22%14 h 10 min
August 1379°F59°F31%22%14 h 10 min
August 1479°F59°F31%22%14 h
August 1579°F59°F31%21%14 h
August 1679°F59°F31%21%14 h
August 1778°F58°F30%21%14 h
August 1878°F58°F30%21%13 h 50 min
August 1978°F58°F30%21%13 h 50 min
August 2078°F58°F30%21%13 h 50 min
August 2178°F58°F30%21%13 h 50 min
August 2278°F58°F30%21%13 h 40 min
August 2378°F57°F30%21%13 h 40 min
August 2478°F57°F30%21%13 h 40 min
August 2577°F57°F30%21%13 h 30 min
August 2677°F57°F30%21%13 h 30 min
August 2777°F56°F30%21%13 h 30 min
August 2877°F56°F30%21%13 h 30 min
August 2977°F56°F30%21%13 h 20 min
August 3077°F56°F30%21%13 h 20 min
August 3176°F55°F30%21%13 h 20 min
Normal high
78°FAugust average
Normal low
58°FAugust average
Precipitation
4.07 inmonth total
Days with precipitation
100.01 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
29
Days at 80°F or more
17
Sunshine
78%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00470645; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Beaver Dam in August?

On a given August day the chance of 0.01 inch or more is 31% on average, highest around August 1 (32%). In all, 4.07 in falls on 10 days of a normal August, 1 of them with an inch or more.

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

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00470645.

What are the records for August in Beaver Dam?

The warmest August temperature on this station's record (since 1893) is 100°F, on August 17, 1988; the coldest is 37°F, on August 29, 1965. The wettest August brought 15.73 in (2018).

The August mean against the 1991-2020 normal of 68.3°F: 2021 71.9°F (+3.6), 2022 70.1°F (+1.8), 2023 70.3°F (+2.0), 2024 70.5°F (+2.2), 2025 69.0°F (+0.7), 2026 70.6°F (+2.3). 6 of 6 ran warmer than normal.

Beaver Dam: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202171.9°F+3.6°F4.64 in
202270.1°F+1.8°F4.14 in
202370.3°F+2.0°F5.24 in
202470.5°F+2.2°F6.26 in
202569.0°F+0.7°F5.26 in
202670.6°F+2.3°F5.28 in

Source: records: ACIS, station USC00470645; recent months: ACIS, station USC00470645. Records and recent months use complete months only.

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

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

Other months and places