Sheridan weather in August: Sheridan, Wyoming: normal highs, lows, rain and records for August

Sheridan in August has a normal high of 87°F and a normal low of 52°F, a daily mean of 69°F, falling from 90°F on the 1st to 82°F by the 31st. Measurable precipitation falls on 6 days in a normal August, 0.71 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 30°C and low of 11°C, 18 mm of precipitation in August.

  • NOAA stationSheridan Airport
  • Station IDUSW00024029
  • Location44.77°N 106.97°W
  • Elevation3,945 ft (1,202 m)
  • Population19,813
  1. Jan 36° 12°
  2. Feb 38° 14°
  3. Mar 49° 22°
  4. Apr 57° 30°
  5. May 66° 39°
  6. Jun 77° 47°
  7. Jul 88° 54°
  8. Aug 87° 52°
  9. Sep 76° 43°
  10. Oct 60° 31°
  11. Nov 47° 20°
  12. Dec 37° 12°

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

How warm is Sheridan in August?

The normal high is 87°F and the normal low 52°F, for a daily mean of 69.1°F. August is 1.6°F cooler than July and 10.0°F warmer than September. August is the 2nd warmest month of the year in Sheridan and the 9th wettest. Across the month the normal high falls 8°F, from 90°F on August 1 to 82°F on August 31. From one year to the next August's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 66°F and 72°F.

Sheridan 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 22%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 190°F55°F22%8%
August 889°F54°F21%7%
August 1587°F52°F21%7%
August 2285°F50°F20%7%
August 3182°F47°F20%8%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Sheridan: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 190°F55°F22%8%14 h 40 min
August 290°F55°F22%8%14 h 40 min
August 390°F55°F22%7%14 h 40 min
August 489°F54°F22%7%14 h 40 min
August 589°F54°F22%7%14 h 30 min
August 689°F54°F22%7%14 h 30 min
August 789°F54°F22%7%14 h 30 min
August 889°F54°F21%7%14 h 30 min
August 989°F54°F21%7%14 h 20 min
August 1088°F53°F21%7%14 h 20 min
August 1188°F53°F21%7%14 h 20 min
August 1288°F53°F21%7%14 h 20 min
August 1388°F53°F21%7%14 h 10 min
August 1487°F52°F21%7%14 h 10 min
August 1587°F52°F21%7%14 h 10 min
August 1687°F52°F20%7%14 h
August 1787°F52°F20%7%14 h
August 1886°F51°F20%7%14 h
August 1986°F51°F20%7%14 h
August 2086°F51°F20%7%13 h 50 min
August 2186°F50°F20%7%13 h 50 min
August 2285°F50°F20%7%13 h 50 min
August 2385°F50°F20%7%13 h 40 min
August 2485°F49°F20%7%13 h 40 min
August 2584°F49°F20%7%13 h 40 min
August 2684°F49°F20%8%13 h 40 min
August 2784°F49°F20%8%13 h 30 min
August 2883°F48°F20%8%13 h 30 min
August 2983°F48°F20%8%13 h 30 min
August 3083°F48°F20%8%13 h 20 min
August 3182°F47°F20%8%13 h 20 min
Normal high
87°FAugust average
Normal low
52°FAugust average
Precipitation
0.71 inmonth total
Days with precipitation
60.01 inch or more
Days at 90°F or more
13
Daylight
14 h 40 min to 13 h 20 minAugust 1 to August 31
Days at 70°F or more
30
Days at 80°F or more
25
Sunshine
85%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024029; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Sheridan in August?

On a given August day the chance of 0.01 inch or more is 21% on average, highest around August 1 (22%). In all, 0.71 in falls on 6 days of a normal August.

In a normal August in Sheridan, 13 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024029.

How humid and windy is Sheridan in August?

At 3 p.m. the normal temperature is 81°F with 24% relative humidity and a dew point of 41°F; at 6 a.m. it is 53°F with 67% humidity. The wind averages 6.1 mph, most often from the north-northwest in the afternoon. A dew point under 50°F feels dry.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.53°F42°F67%4.3 mph77%
9 a.m.69°F45°F42%5.9 mph79%
noon78°F42°F27%7.7 mph77%
3 p.m.81°F41°F24%8.1 mph74%
6 p.m.75°F44°F34%7.1 mph74%
9 p.m.62°F44°F53%5.9 mph78%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024029. 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 Sheridan?

The warmest August temperature on Sheridan's official record (since 1907) is 106°F, on August 7, 1983; the coldest is 26°F, on August 25, 1910. The wettest August brought 3.02 in (1968).

The August mean against the 1991-2020 normal of 69.1°F: 2021 68.6°F (−0.5), 2022 73.6°F (+4.5), 2023 69.6°F (+0.5), 2024 71.2°F (+2.1), 2025 68.8°F (−0.3), 2026 69.5°F (+0.4). 4 of 6 ran warmer than normal.

Sheridan: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202168.6°F−0.5°F0.90 in
202273.6°F+4.5°F0.55 in
202369.6°F+0.5°F1.98 in
202471.2°F+2.1°F0.82 in
202568.8°F−0.3°F0.66 in
202669.5°F+0.4°F0.06 in

Source: records: ACIS, NWS threaded record SHRthr; recent months: ACIS, station USW00024029. Records and recent months use complete months only.

How does August in Sheridan compare across Wyoming?

Across the 71 places PlainClimate covers in Wyoming, August normal highs run from 74°F in Sundance to 91°F in Basin; Sheridan's is 87°F.

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

Other months and places