Cudjoe Key Weather in August
Average highs run from 90°F on August 1 to 89°F on August 31, and lows from 81°F to 81°F. Normal precipitation for the month is 5.54 in over about 13 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
- 90°F
- Average low
- 81°F
- Precipitation
- 5.54 in
- Record high
- 102°FAug 13, 2024
- Record low
- 64°FAug 15, 1997
- Chance of a freeze
- 0%
- Days of 90°F or more
- 23.5
- Daylight
- 13 h 16 min to 12 h 38 min
- Cloud cover
- 57%
- Humidity
- 76%
- Dew point
- 76°F
- Wind
- 9.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 90°F | 81°F | 98°F 2024 | 71°F 1971 | 38% |
| Aug 2 | 90°F | 81°F | 98°F 2013 | 72°F 1975 | 38% |
| Aug 3 | 90°F | 81°F | 96°F 2022 | 71°F 1994 | 38% |
| Aug 4 | 90°F | 81°F | 96°F 2022 | 72°F 1965 | 38% |
| Aug 5 | 90°F | 81°F | 95°F 2011 | 71°F 1971 | 38% |
| Aug 6 | 90°F | 81°F | 95°F 2022 | 72°F 1986 | 39% |
| Aug 7 | 90°F | 81°F | 96°F 2023 | 70°F 1980 | 39% |
| Aug 8 | 90°F | 81°F | 95°F 2020 | 72°F 1967 | 39% |
| Aug 9 | 90°F | 81°F | 95°F 2021 | 69°F 1967 | 39% |
| Aug 10 | 90°F | 81°F | 101°F 2024 | 72°F 1981 | 40% |
| Aug 11 | 90°F | 81°F | 99°F 2024 | 73°F 1966 | 40% |
| Aug 12 | 90°F | 81°F | 95°F 2020 | 70°F 1969 | 40% |
| Aug 13 | 90°F | 81°F | 102°F 2024 | 73°F 1953 | 41% |
| Aug 14 | 90°F | 81°F | 99°F 2024 | 71°F 1967 | 41% |
| Aug 15 | 90°F | 81°F | 98°F 2024 | 64°F 1997 | 41% |
| Aug 16 | 90°F | 81°F | 96°F 2024 | 74°F 1970 | 42% |
| Aug 17 | 90°F | 81°F | 95°F 2022 | 75°F 1959 | 42% |
| Aug 18 | 90°F | 81°F | 95°F 2019 | 74°F 1976 | 42% |
| Aug 19 | 90°F | 81°F | 96°F 2019 | 74°F 1960 | 43% |
| Aug 20 | 90°F | 81°F | 97°F 2022 | 74°F 1973 | 43% |
| Aug 21 | 90°F | 81°F | 97°F 2022 | 73°F 1973 | 44% |
| Aug 22 | 90°F | 81°F | 97°F 2024 | 71°F 1975 | 44% |
| Aug 23 | 90°F | 81°F | 96°F 2024 | 73°F 1966 | 45% |
| Aug 24 | 90°F | 81°F | 96°F 2022 | 74°F 1945 | 45% |
| Aug 25 | 90°F | 81°F | 95°F 2022 | 71°F 1994 | 45% |
| Aug 26 | 90°F | 81°F | 96°F 2022 | 73°F 1968 | 46% |
| Aug 27 | 90°F | 81°F | 96°F 2022 | 74°F 1967 | 46% |
| Aug 28 | 90°F | 81°F | 95°F 2022 | 70°F 1953 | 46% |
| Aug 29 | 90°F | 81°F | 94°F 2007 | 72°F 1985 | 47% |
| Aug 30 | 90°F | 81°F | 95°F 2022 | 71°F 1993 | 47% |
| Aug 31 | 89°F | 81°F | 94°F 1967 | 73°F 1960 | 47% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 6:54 AM, sunset 8:10 PM
- August 31
- sunrise 7:07 AM, sunset 7:45 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00012850 (Key West Nas), public domain. Records: NOAA GHCN-Daily, station USW00012850, 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.