Huron weather in August: Huron, South Dakota: normal highs, lows, rain and records for August
Huron in August has a normal high of 83°F and a normal low of 59°F, a daily mean of 71°F, falling from 86°F on the 1st to 81°F by the 31st. Measurable precipitation falls on 8 days in a normal August, 2.59 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 15°C, 66 mm of precipitation in August.
- NOAA stationHuron Regional Airport
- Station IDUSW00014936
- Location44.40°N 98.22°W
- Elevation1,280 ft (390 m)
- Population14,515
- Jan 26° 6°
- Feb 31° 10°
- Mar 44° 22°
- Apr 58° 34°
- May 70° 46°
- Jun 80° 57°
- Jul 86° 62°
- Aug 83° 59°
- Sep 76° 50°
- Oct 60° 36°
- Nov 44° 22°
- Dec 30° 11°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Huron in August?
The normal high is 83°F and the normal low 59°F, for a daily mean of 71.3°F. August is 2.4°F cooler than July and 8.7°F warmer than September. August is the 2nd warmest month of the year in Huron and the 4th wettest. Across the month the normal high falls 5°F, from 86°F on August 1 to 81°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 69°F and 74°F.
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%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 86°F | 62°F | 28% | 17% |
| August 8 | 85°F | 61°F | 27% | 16% |
| August 15 | 84°F | 60°F | 26% | 15% |
| August 22 | 83°F | 58°F | 24% | 14% |
| August 31 | 81°F | 56°F | 23% | 14% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 86°F | 62°F | 28% | 17% | 14 h 40 min |
| August 2 | 85°F | 62°F | 28% | 17% | 14 h 40 min |
| August 3 | 85°F | 61°F | 28% | 17% | 14 h 40 min |
| August 4 | 85°F | 61°F | 28% | 16% | 14 h 30 min |
| August 5 | 85°F | 61°F | 28% | 16% | 14 h 30 min |
| August 6 | 85°F | 61°F | 28% | 16% | 14 h 30 min |
| August 7 | 85°F | 61°F | 27% | 16% | 14 h 30 min |
| August 8 | 85°F | 61°F | 27% | 16% | 14 h 20 min |
| August 9 | 85°F | 61°F | 27% | 16% | 14 h 20 min |
| August 10 | 84°F | 61°F | 27% | 16% | 14 h 20 min |
| August 11 | 84°F | 60°F | 27% | 15% | 14 h 20 min |
| August 12 | 84°F | 60°F | 26% | 15% | 14 h 10 min |
| August 13 | 84°F | 60°F | 26% | 15% | 14 h 10 min |
| August 14 | 84°F | 60°F | 26% | 15% | 14 h 10 min |
| August 15 | 84°F | 60°F | 26% | 15% | 14 h 10 min |
| August 16 | 84°F | 60°F | 25% | 15% | 14 h |
| August 17 | 83°F | 59°F | 25% | 14% | 14 h |
| August 18 | 83°F | 59°F | 25% | 14% | 14 h |
| August 19 | 83°F | 59°F | 25% | 14% | 13 h 50 min |
| August 20 | 83°F | 59°F | 24% | 14% | 13 h 50 min |
| August 21 | 83°F | 58°F | 24% | 14% | 13 h 50 min |
| August 22 | 83°F | 58°F | 24% | 14% | 13 h 50 min |
| August 23 | 82°F | 58°F | 24% | 14% | 13 h 40 min |
| August 24 | 82°F | 58°F | 24% | 14% | 13 h 40 min |
| August 25 | 82°F | 57°F | 24% | 14% | 13 h 40 min |
| August 26 | 82°F | 57°F | 23% | 14% | 13 h 30 min |
| August 27 | 82°F | 57°F | 23% | 14% | 13 h 30 min |
| August 28 | 81°F | 57°F | 23% | 14% | 13 h 30 min |
| August 29 | 81°F | 56°F | 23% | 14% | 13 h 30 min |
| August 30 | 81°F | 56°F | 23% | 14% | 13 h 20 min |
| August 31 | 81°F | 56°F | 23% | 14% | 13 h 20 min |
- Normal high
- 83°FAugust average
- Normal low
- 59°FAugust average
- Precipitation
- 2.59 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 6
- 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
- 23
- Sunshine
- 83%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014936; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Huron in August?
On a given August day the chance of 0.01 inch or more is 25% on average, highest around August 1 (28%). In all, 2.59 in falls on 8 days of a normal August, 1 of them with an inch or more.
In a normal August in Huron, 6 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014936.
How humid and windy is Huron in August?
At 3 p.m. the normal temperature is 81°F with 46% relative humidity and a dew point of 58°F; at 6 a.m. it is 60°F with 88% humidity. The wind averages 9.5 mph, most often from the south-southeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 60°F | 56°F | 88% | 7.8 mph | 71% |
| 9 a.m. | 68°F | 59°F | 73% | 10.4 mph | 71% |
| noon | 77°F | 59°F | 54% | 11.4 mph | 70% |
| 3 p.m. | 81°F | 58°F | 46% | 12.0 mph | 71% |
| 6 p.m. | 78°F | 59°F | 53% | 10.1 mph | 76% |
| 9 p.m. | 68°F | 59°F | 72% | 8.7 mph | 78% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014936. 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 Huron?
The warmest August temperature on Huron's official record (since 1881) is 110°F, on August 4, 1934; the coldest is 33°F, on August 31, 1886. The wettest August brought 6.93 in (2025).
The August mean against the 1991-2020 normal of 71.3°F: 2021 74.1°F (+2.8), 2022 73.1°F (+1.8), 2023 73.7°F (+2.4), 2024 70.7°F (−0.6), 2025 71.8°F (+0.5), 2026 72.4°F (+1.1). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.1°F | +2.8°F | 2.11 in |
| 2022 | 73.1°F | +1.8°F | 1.07 in |
| 2023 | 73.7°F | +2.4°F | 2.11 in |
| 2024 | 70.7°F | −0.6°F | 2.86 in |
| 2025 | 71.8°F | +0.5°F | 6.93 in |
| 2026 | 72.4°F | +1.1°F | 1.38 in |
Source: records: ACIS, NWS threaded record HONthr; recent months: ACIS, station USW00014936. Records and recent months use complete months only.
How does August in Huron compare across South Dakota?
Across the 100 places PlainClimate covers in South Dakota, August normal highs run from 78°F in Astoria to 91°F in Interior; Huron's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.