Garfield County Weather in August
Average highs run from 83°F on August 1 to 79°F on August 31, and lows from 62°F to 57°F. Normal precipitation for the month is 1.73 in over about 10 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 81°F
- Average low
- 60°F
- Precipitation
- 1.73 in
- Record high
- 94°FAug 18, 2020
- Record low
- 22°FAug 31, 1962
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.9
- Daylight
- 14 h 05 min to 13 h 01 min
- Cloud cover
- 54%
- Humidity
- 38%
- Dew point
- 41°F
- Wind
- 6.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Aug 1 | 83°F | 62°F | 90°F 2020 | 35°F 1977 | 31% | 0% |
| Aug 2 | 83°F | 62°F | 90°F 2020 | 37°F 1975 | 32% | 0% |
| Aug 3 | 83°F | 61°F | 89°F 2026 | 34°F 1956 | 32% | 0% |
| Aug 4 | 83°F | 61°F | 89°F 2026 | 30°F 2025 | 32% | 0% |
| Aug 5 | 83°F | 61°F | 89°F 1981 | 28°F 1962 | 32% | 0% |
| Aug 6 | 83°F | 61°F | 91°F 1981 | 32°F 1950 | 32% | 0% |
| Aug 7 | 83°F | 61°F | 91°F 1981 | 28°F 1976 | 32% | 0% |
| Aug 8 | 82°F | 61°F | 88°F 2018 | 30°F 1957 | 32% | 0% |
| Aug 9 | 82°F | 61°F | 89°F 2018 | 30°F 1976 | 32% | 0% |
| Aug 10 | 82°F | 61°F | 87°F 1970 | 34°F 1949 | 32% | 0% |
| Aug 11 | 82°F | 61°F | 92°F 1958 | 34°F 1949 | 32% | 0% |
| Aug 12 | 82°F | 60°F | 91°F 1958 | 29°F 1976 | 32% | 0% |
| Aug 13 | 82°F | 60°F | 89°F 1962 | 30°F 1976 | 32% | 0% |
| Aug 14 | 82°F | 60°F | 90°F 1962 | 30°F 1949 | 31% | 0% |
| Aug 15 | 82°F | 60°F | 88°F 2020 | 31°F 1978 | 31% | 0% |
| Aug 16 | 81°F | 60°F | 92°F 2020 | 29°F 1976 | 31% | 0% |
| Aug 17 | 81°F | 60°F | 92°F 2020 | 27°F 1960 | 31% | 0% |
| Aug 18 | 81°F | 60°F | 94°F 2020 | 31°F 1954 | 31% | 0% |
| Aug 19 | 81°F | 59°F | 92°F 2020 | 32°F 1949 | 31% | 0% |
| Aug 20 | 81°F | 59°F | 90°F 2020 | 36°F 1949 | 31% | 0% |
| Aug 21 | 81°F | 59°F | 90°F 2020 | 31°F 1974 | 31% | 0% |
| Aug 22 | 80°F | 59°F | 87°F 2020 | 32°F 2002 | 31% | 0% |
| Aug 23 | 80°F | 59°F | 85°F 2020 | 28°F 1968 | 31% | 0% |
| Aug 24 | 80°F | 58°F | 87°F 2020 | 31°F 1962 | 30% | 0% |
| Aug 25 | 80°F | 58°F | 87°F 2019 | 32°F 1960 | 30% | 0% |
| Aug 26 | 80°F | 58°F | 86°F 2020 | 32°F 1965 | 30% | 0% |
| Aug 27 | 80°F | 58°F | 86°F 2001 | 30°F 1954 | 30% | 0% |
| Aug 28 | 79°F | 58°F | 85°F 2009 | 26°F 1975 | 29% | 0% |
| Aug 29 | 79°F | 57°F | 86°F 2017 | 32°F 1975 | 29% | 0% |
| Aug 30 | 79°F | 57°F | 85°F 1954 | 28°F 1962 | 29% | 0% |
| Aug 31 | 79°F | 57°F | 88°F 1950 | 22°F 1962 | 29% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 6:29 AM, sunset 8:34 PM
- August 31
- sunrise 6:55 AM, sunset 7:56 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00420849 (Boulder), public domain. Records: NOAA GHCN-Daily, station USW00023159, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.