Brainerd weather in August: Brainerd, Minnesota: normal highs, lows, rain and records for August
Brainerd in August has a normal high of 79°F and a normal low of 55°F, a daily mean of 67°F, falling from 81°F on the 1st to 76°F by the 31st. Measurable precipitation falls on 12 days in a normal August, 3.06 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 13°C, 78 mm of precipitation in August.
- NOAA stationBrainerd Crow Wing County Airport
- Station IDUSW00094938
- Location46.40°N 94.13°W
- Elevation1,221 ft (372 m)
- Population14,400
- Jan 21° 0°
- Feb 27° 4°
- Mar 40° 18°
- Apr 55° 31°
- May 68° 43°
- Jun 77° 53°
- Jul 82° 58°
- Aug 79° 55°
- Sep 71° 47°
- Oct 56° 35°
- Nov 40° 22°
- Dec 26° 8°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Brainerd in August?
The normal high is 79°F and the normal low 55°F, for a daily mean of 67.3°F. August is 2.3°F cooler than July and 8.6°F warmer than September. August is the 2nd warmest month of the year in Brainerd and the 4th wettest. Across the month the normal high falls 5°F, from 81°F on August 1 to 76°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 38%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 81°F | 58°F | 36% | 18% |
| August 8 | 81°F | 57°F | 37% | 18% |
| August 15 | 80°F | 56°F | 38% | 18% |
| August 22 | 78°F | 54°F | 38% | 17% |
| August 31 | 76°F | 52°F | 37% | 17% |
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 | 36% | 18% | 14 h 50 min |
| August 2 | 81°F | 57°F | 36% | 18% | 14 h 50 min |
| August 3 | 81°F | 57°F | 37% | 18% | 14 h 50 min |
| August 4 | 81°F | 57°F | 37% | 18% | 14 h 50 min |
| August 5 | 81°F | 57°F | 37% | 18% | 14 h 40 min |
| August 6 | 81°F | 57°F | 37% | 18% | 14 h 40 min |
| August 7 | 81°F | 57°F | 37% | 18% | 14 h 40 min |
| August 8 | 81°F | 57°F | 37% | 18% | 14 h 30 min |
| August 9 | 80°F | 57°F | 37% | 18% | 14 h 30 min |
| August 10 | 80°F | 57°F | 37% | 18% | 14 h 30 min |
| August 11 | 80°F | 56°F | 37% | 18% | 14 h 30 min |
| August 12 | 80°F | 56°F | 37% | 18% | 14 h 20 min |
| August 13 | 80°F | 56°F | 37% | 18% | 14 h 20 min |
| August 14 | 80°F | 56°F | 37% | 18% | 14 h 20 min |
| August 15 | 80°F | 56°F | 38% | 18% | 14 h 10 min |
| August 16 | 79°F | 56°F | 38% | 18% | 14 h 10 min |
| August 17 | 79°F | 55°F | 38% | 18% | 14 h 10 min |
| August 18 | 79°F | 55°F | 38% | 18% | 14 h 10 min |
| August 19 | 79°F | 55°F | 38% | 17% | 14 h |
| August 20 | 79°F | 55°F | 38% | 17% | 14 h |
| August 21 | 79°F | 55°F | 38% | 17% | 14 h |
| August 22 | 78°F | 54°F | 38% | 17% | 13 h 50 min |
| August 23 | 78°F | 54°F | 38% | 17% | 13 h 50 min |
| August 24 | 78°F | 54°F | 38% | 17% | 13 h 50 min |
| August 25 | 78°F | 54°F | 38% | 17% | 13 h 40 min |
| August 26 | 78°F | 54°F | 38% | 17% | 13 h 40 min |
| August 27 | 77°F | 53°F | 37% | 17% | 13 h 40 min |
| August 28 | 77°F | 53°F | 37% | 17% | 13 h 40 min |
| August 29 | 77°F | 53°F | 37% | 17% | 13 h 30 min |
| August 30 | 77°F | 52°F | 37% | 17% | 13 h 30 min |
| August 31 | 76°F | 52°F | 37% | 17% | 13 h 30 min |
- Normal high
- 79°FAugust average
- Normal low
- 55°FAugust average
- Precipitation
- 3.06 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 14 h 50 min to 13 h 30 minAugust 1 to August 31
- Days at 70°F or more
- 28
- Days at 80°F or more
- 14
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094938; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Brainerd in August?
On a given August day the chance of 0.01 inch or more is 37% on average, highest around August 18 (38%). In all, 3.06 in falls on 12 days of a normal August, 1 of them with an inch or more.
In a normal August in Brainerd, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094938.
How humid and windy is Brainerd in August?
At 3 p.m. the normal temperature is 75°F with 52% relative humidity and a dew point of 56°F; at 6 a.m. it is 57°F with 89% humidity. The wind averages 6.8 mph, most often from the southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 57°F | 54°F | 89% | 4.7 mph | – |
| 9 a.m. | 66°F | 57°F | 72% | 8.2 mph | 70% |
| noon | 73°F | 56°F | 57% | 9.9 mph | 64% |
| 3 p.m. | 75°F | 56°F | 52% | 9.7 mph | 66% |
| 6 p.m. | 71°F | 57°F | 60% | 6.6 mph | 74% |
| 9 p.m. | 63°F | 57°F | 80% | 4.8 mph | 78% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094938. 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 Brainerd?
The warmest August temperature on Brainerd's official record (since 1898) is 102°F, on August 4, 1947; the coldest is 29°F, on August 15, 1976. The wettest August brought 9.67 in (1953).
The August mean against the 1991-2020 normal of 67.3°F: 2021 71.3°F (+4.0), 2022 68.8°F (+1.5), 2023 69.0°F (+1.7), 2024 68.4°F (+1.1), 2025 68.0°F (+0.7), 2026 67.9°F (+0.6). 6 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.3°F | +4.0°F | 3.92 in |
| 2022 | 68.8°F | +1.5°F | 3.67 in |
| 2023 | 69.0°F | +1.7°F | 2.27 in |
| 2024 | 68.4°F | +1.1°F | 2.95 in |
| 2025 | 68.0°F | +0.7°F | 2.28 in |
| 2026 | 67.9°F | +0.6°F | 2.15 in |
Source: records: ACIS, NWS threaded record BRDthr; recent months: ACIS, station USW00094938. Records and recent months use complete months only.
How does August in Brainerd 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; Brainerd's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.