Arapahoe Weather in August
Average highs run from 88°F on August 1 to 85°F on August 31, and lows from 70°F to 67°F. Normal precipitation for the month is 7.85 in over about 12 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
- 87°F
- Average low
- 69°F
- Precipitation
- 7.85 in
- Record high
- 102°FAug 18, 1988
- Record low
- 57°FAug 8, 2004
- Chance of a freeze
- 0%
- Days of 90°F or more
- 10.5
- Daylight
- 13 h 53 min to 12 h 56 min
- Cloud cover
- 55%
- Humidity
- 79%
- Dew point
- 71°F
- Wind
- 6.5 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 | 88°F | 70°F | 97°F 1957 | 60°F 2017 | 44% | 0% |
| Aug 2 | 88°F | 70°F | 97°F 1950 | 60°F 2017 | 44% | 0% |
| Aug 3 | 88°F | 70°F | 99°F 2011 | 65°F 2001 | 44% | 0% |
| Aug 4 | 88°F | 70°F | 99°F 1991 | 65°F 1956 | 44% | 0% |
| Aug 5 | 88°F | 70°F | 101°F 1954 | 63°F 2013 | 43% | 0% |
| Aug 6 | 88°F | 70°F | 100°F 1989 | 59°F 1951 | 43% | 0% |
| Aug 7 | 88°F | 70°F | 99°F 1989 | 59°F 2004 | 43% | 0% |
| Aug 8 | 88°F | 70°F | 97°F 1951 | 57°F 2004 | 43% | 0% |
| Aug 9 | 88°F | 70°F | 98°F 2011 | 60°F 2002 | 42% | 0% |
| Aug 10 | 88°F | 70°F | 98°F 1979 | 61°F 2002 | 42% | 0% |
| Aug 11 | 87°F | 69°F | 95°F 2011 | 59°F 2002 | 42% | 0% |
| Aug 12 | 87°F | 69°F | 96°F 1957 | 60°F 1963 | 42% | 0% |
| Aug 13 | 87°F | 69°F | 96°F 1956 | 61°F 1979 | 42% | 0% |
| Aug 14 | 87°F | 69°F | 95°F 1990 | 57°F 1979 | 41% | 0% |
| Aug 15 | 87°F | 69°F | 95°F 2005 | 60°F 1950 | 41% | 0% |
| Aug 16 | 87°F | 69°F | 100°F 1954 | 61°F 2015 | 41% | 0% |
| Aug 17 | 87°F | 69°F | 98°F 1975 | 59°F 1979 | 40% | 0% |
| Aug 18 | 87°F | 69°F | 102°F 1988 | 57°F 1979 | 40% | 0% |
| Aug 19 | 87°F | 69°F | 96°F 1987 | 65°F 1977 | 40% | 0% |
| Aug 20 | 87°F | 69°F | 97°F 2005 | 65°F 1960 | 39% | 0% |
| Aug 21 | 87°F | 69°F | 98°F 2005 | 62°F 1995 | 39% | 0% |
| Aug 22 | 86°F | 68°F | 96°F 1951 | 63°F 1996 | 38% | 0% |
| Aug 23 | 86°F | 68°F | 101°F 2002 | 62°F 2025 | 38% | 0% |
| Aug 24 | 86°F | 68°F | 99°F 1989 | 60°F 1978 | 38% | 0% |
| Aug 25 | 86°F | 68°F | 94°F 2002 | 60°F 1986 | 37% | 0% |
| Aug 26 | 86°F | 68°F | 98°F 1954 | 62°F 1946 | 37% | 0% |
| Aug 27 | 86°F | 68°F | 95°F 1959 | 58°F 1945 | 37% | 0% |
| Aug 28 | 86°F | 68°F | 98°F 1990 | 57°F 1963 | 36% | 0% |
| Aug 29 | 86°F | 68°F | 99°F 1990 | 59°F 1982 | 36% | 0% |
| Aug 30 | 85°F | 68°F | 95°F 1956 | 59°F 1965 | 36% | 0% |
| Aug 31 | 85°F | 67°F | 95°F 1970 | 60°F 1946 | 35% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 6:17 AM, sunset 8:10 PM
- August 31
- sunrise 6:39 AM, sunset 7:35 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00310576 (Bayboro 3 Sw), public domain. Records: NOAA GHCN-Daily, station USW00013754, 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.