St. Cloud weather in August: St. Cloud, Minnesota: normal highs, lows, rain and records for August
St. Cloud in August has a normal high of 79°F and a normal low of 56°F, a daily mean of 68°F, falling from 81°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 9 days in a normal August, 4.00 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 13°C, 102 mm of precipitation in August.
- NOAA stationSt. Cloud Regional Airport
- Station IDUSW00014926
- Location45.54°N 94.05°W
- Elevation1,018 ft (310 m)
- Population72,145
- Jan 21° 3°
- Feb 26° 7°
- Mar 39° 20°
- Apr 54° 32°
- May 68° 45°
- Jun 77° 55°
- Jul 82° 59°
- Aug 79° 56°
- Sep 71° 48°
- Oct 56° 36°
- Nov 39° 23°
- Dec 26° 10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. Cloud in August?
The normal high is 79°F and the normal low 56°F, for a daily mean of 67.7°F. August is 2.6°F cooler than July and 8.2°F warmer than September. August is the 2nd warmest month of the year in St. Cloud and the wettest. Across the month the normal high falls 4°F, from 81°F on August 1 to 77°F on August 31. From one year to the next August's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 65°F and 70°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 31%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 81°F | 58°F | 31% | 18% |
| August 8 | 81°F | 58°F | 30% | 18% |
| August 15 | 80°F | 57°F | 30% | 19% |
| August 22 | 78°F | 56°F | 30% | 18% |
| August 31 | 77°F | 54°F | 31% | 18% |
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 | 81°F | 58°F | 31% | 18% | 14 h 50 min |
| August 2 | 81°F | 58°F | 31% | 18% | 14 h 50 min |
| August 3 | 81°F | 58°F | 31% | 18% | 14 h 40 min |
| August 4 | 81°F | 58°F | 30% | 18% | 14 h 40 min |
| August 5 | 81°F | 58°F | 30% | 18% | 14 h 40 min |
| August 6 | 81°F | 58°F | 30% | 18% | 14 h 40 min |
| August 7 | 81°F | 58°F | 30% | 18% | 14 h 30 min |
| August 8 | 81°F | 58°F | 30% | 18% | 14 h 30 min |
| August 9 | 80°F | 57°F | 30% | 18% | 14 h 30 min |
| August 10 | 80°F | 57°F | 30% | 18% | 14 h 20 min |
| August 11 | 80°F | 57°F | 30% | 18% | 14 h 20 min |
| August 12 | 80°F | 57°F | 30% | 18% | 14 h 20 min |
| August 13 | 80°F | 57°F | 30% | 18% | 14 h 20 min |
| August 14 | 80°F | 57°F | 30% | 18% | 14 h 10 min |
| August 15 | 80°F | 57°F | 30% | 19% | 14 h 10 min |
| August 16 | 79°F | 57°F | 30% | 19% | 14 h 10 min |
| August 17 | 79°F | 56°F | 30% | 19% | 14 h |
| August 18 | 79°F | 56°F | 30% | 19% | 14 h |
| August 19 | 79°F | 56°F | 30% | 19% | 14 h |
| August 20 | 79°F | 56°F | 30% | 18% | 14 h |
| August 21 | 79°F | 56°F | 30% | 18% | 13 h 50 min |
| August 22 | 78°F | 56°F | 30% | 18% | 13 h 50 min |
| August 23 | 78°F | 55°F | 30% | 18% | 13 h 50 min |
| August 24 | 78°F | 55°F | 30% | 18% | 13 h 40 min |
| August 25 | 78°F | 55°F | 30% | 18% | 13 h 40 min |
| August 26 | 78°F | 55°F | 31% | 18% | 13 h 40 min |
| August 27 | 77°F | 55°F | 31% | 18% | 13 h 40 min |
| August 28 | 77°F | 54°F | 31% | 18% | 13 h 30 min |
| August 29 | 77°F | 54°F | 31% | 18% | 13 h 30 min |
| August 30 | 77°F | 54°F | 31% | 18% | 13 h 30 min |
| August 31 | 77°F | 54°F | 31% | 18% | 13 h 20 min |
- Normal high
- 79°FAugust average
- Normal low
- 56°FAugust average
- Precipitation
- 4.00 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 14 h 50 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 29
- Days at 80°F or more
- 16
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014926; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in St. Cloud in August?
On a given August day the chance of 0.01 inch or more is 30% on average, highest around August 31 (31%). In all, 4.00 in falls on 9 days of a normal August, 1 of them with an inch or more.
In a normal August in St. Cloud, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014926.
How humid and windy is St. Cloud in August?
At 3 p.m. the normal temperature is 76°F with 52% relative humidity and a dew point of 57°F; at 6 a.m. it is 57°F with 92% humidity. The wind averages 7.1 mph, most often from the south-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 57°F | 55°F | 92% | 5.1 mph | 72% |
| 9 a.m. | 67°F | 58°F | 73% | 8.2 mph | 71% |
| noon | 74°F | 57°F | 56% | 10.3 mph | 66% |
| 3 p.m. | 76°F | 57°F | 52% | 10.5 mph | 65% |
| 6 p.m. | 73°F | 58°F | 60% | 7.6 mph | 76% |
| 9 p.m. | 64°F | 58°F | 83% | 5.3 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014926. 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 St. Cloud?
The warmest August temperature on this station's record (since 1896) is 105°F, on August 15, 1936; the coldest is 33°F, on August 31, 1974. The wettest August brought 9.28 in (1900).
The August mean against the 1991-2020 normal of 67.7°F: 2021 70.2°F (+2.5), 2022 68.8°F (+1.1), 2023 70.6°F (+2.9), 2024 69.9°F (+2.2), 2025 69.4°F (+1.7), 2026 69.7°F (+2.0). 6 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 70.2°F | +2.5°F | 3.63 in |
| 2022 | 68.8°F | +1.1°F | 4.49 in |
| 2023 | 70.6°F | +2.9°F | 4.50 in |
| 2024 | 69.9°F | +2.2°F | 6.21 in |
| 2025 | 69.4°F | +1.7°F | 1.79 in |
| 2026 | 69.7°F | +2.0°F | 1.27 in |
Source: records: ACIS, station USW00014926; recent months: ACIS, station USW00014926. Records and recent months use complete months only.
How does August in St. Cloud compare across Minnesota?
Across the 129 places PlainClimate covers in Minnesota, August normal highs run from 70°F in Grand Marais to 82°F in Little Falls; St. Cloud's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.