Montrose weather in August: Montrose, Colorado: normal highs, lows, rain and records for August
Montrose in August has a normal high of 87°F and a normal low of 56°F, a daily mean of 71°F, falling from 89°F on the 1st to 84°F by the 31st. Measurable precipitation falls on 7 days in a normal August, 0.90 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 13°C, 23 mm of precipitation in August.
- NOAA stationMontrose Regional Airport
- Station IDUSW00093013
- Location38.51°N 107.90°W
- Elevation5,759 ft (1,755 m)
- Population21,646
- Jan 39° 16°
- Feb 45° 22°
- Mar 55° 29°
- Apr 63° 35°
- May 74° 43°
- Jun 86° 52°
- Jul 90° 58°
- Aug 87° 56°
- Sep 79° 48°
- Oct 65° 36°
- Nov 51° 25°
- Dec 39° 16°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Montrose in August?
The normal high is 87°F and the normal low 56°F, for a daily mean of 71.4°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 Montrose and the 3rd wettest. Across the month the normal high falls 5°F, from 89°F on August 1 to 84°F on August 31. From one year to the next August's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 70°F and 73°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 25%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 89°F | 59°F | 25% | 11% |
| August 8 | 88°F | 58°F | 25% | 10% |
| August 15 | 87°F | 57°F | 24% | 10% |
| August 22 | 86°F | 55°F | 23% | 10% |
| August 31 | 84°F | 53°F | 23% | 10% |
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 | 89°F | 59°F | 25% | 11% | 14 h 10 min |
| August 2 | 89°F | 59°F | 25% | 11% | 14 h 10 min |
| August 3 | 89°F | 58°F | 25% | 11% | 14 h 10 min |
| August 4 | 89°F | 58°F | 25% | 11% | 14 h 10 min |
| August 5 | 89°F | 58°F | 25% | 10% | 14 h |
| August 6 | 88°F | 58°F | 25% | 10% | 14 h |
| August 7 | 88°F | 58°F | 25% | 10% | 14 h |
| August 8 | 88°F | 58°F | 25% | 10% | 14 h |
| August 9 | 88°F | 58°F | 25% | 10% | 14 h |
| August 10 | 88°F | 57°F | 24% | 10% | 13 h 50 min |
| August 11 | 88°F | 57°F | 24% | 10% | 13 h 50 min |
| August 12 | 88°F | 57°F | 24% | 10% | 13 h 50 min |
| August 13 | 87°F | 57°F | 24% | 10% | 13 h 50 min |
| August 14 | 87°F | 57°F | 24% | 10% | 13 h 40 min |
| August 15 | 87°F | 57°F | 24% | 10% | 13 h 40 min |
| August 16 | 87°F | 56°F | 24% | 10% | 13 h 40 min |
| August 17 | 87°F | 56°F | 23% | 10% | 13 h 40 min |
| August 18 | 87°F | 56°F | 23% | 10% | 13 h 40 min |
| August 19 | 86°F | 56°F | 23% | 10% | 13 h 30 min |
| August 20 | 86°F | 56°F | 23% | 10% | 13 h 30 min |
| August 21 | 86°F | 55°F | 23% | 10% | 13 h 30 min |
| August 22 | 86°F | 55°F | 23% | 10% | 13 h 30 min |
| August 23 | 86°F | 55°F | 23% | 10% | 13 h 20 min |
| August 24 | 85°F | 55°F | 23% | 10% | 13 h 20 min |
| August 25 | 85°F | 54°F | 23% | 10% | 13 h 20 min |
| August 26 | 85°F | 54°F | 23% | 10% | 13 h 20 min |
| August 27 | 85°F | 54°F | 23% | 10% | 13 h 20 min |
| August 28 | 85°F | 54°F | 23% | 10% | 13 h 10 min |
| August 29 | 84°F | 53°F | 23% | 10% | 13 h 10 min |
| August 30 | 84°F | 53°F | 23% | 10% | 13 h 10 min |
| August 31 | 84°F | 53°F | 23% | 10% | 13 h 10 min |
- Normal high
- 87°FAugust average
- Normal low
- 56°FAugust average
- Precipitation
- 0.90 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 11
- Daylight
- 14 h 10 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 28
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093013; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Montrose in August?
On a given August day the chance of 0.01 inch or more is 24% on average, highest around August 1 (25%). In all, 0.90 in falls on 7 days of a normal August.
In a normal August in Montrose, 11 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093013.
How humid and windy is Montrose in August?
At 3 p.m. the normal temperature is 81°F with 25% relative humidity and a dew point of 42°F; at 6 a.m. it is 55°F with 65% humidity. The wind averages 6.9 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 55°F | 44°F | 65% | 6.1 mph | 84% |
| 9 a.m. | 70°F | 46°F | 42% | 3.5 mph | – |
| noon | 79°F | 45°F | 30% | 6.3 mph | 89% |
| 3 p.m. | 81°F | 42°F | 25% | 9.2 mph | 85% |
| 6 p.m. | 78°F | 43°F | 30% | 7.5 mph | 82% |
| 9 p.m. | 66°F | 45°F | 45% | 8.4 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093013. 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 Montrose?
The warmest August temperature on this station's record (since 1996) is 101°F, on August 3, 2026; the coldest is 41°F, on August 28, 2004. The wettest August brought 2.35 in (1999).
The August mean against the 1991-2020 normal of 71.4°F: 2021 71.9°F (+0.5), 2022 72.7°F (+1.3), 2023 73.5°F (+2.1), 2024 72.1°F (+0.7), 2025 73.8°F (+2.4), 2026 76.3°F (+4.9). 6 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.9°F | +0.5°F | 1.57 in |
| 2022 | 72.7°F | +1.3°F | 0.60 in |
| 2023 | 73.5°F | +2.1°F | 0.54 in |
| 2024 | 72.1°F | +0.7°F | 2.12 in |
| 2025 | 73.8°F | +2.4°F | 0.45 in |
| 2026 | 76.3°F | +4.9°F | 0.53 in |
Source: records: ACIS, station USW00093013; recent months: ACIS, station USW00093013. Records and recent months use complete months only.
How does August in Montrose compare across Colorado?
Across the 125 places PlainClimate covers in Colorado, August normal highs run from 68°F in Leadville to 93°F in Lamar; Montrose's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.