Key Largo Weather in October
Average highs run from 87°F on October 1 to 82°F on October 31, and lows from 78°F to 73°F. Normal precipitation for the month is 5.64 in over about 12 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 85°F
- Average low
- 75°F
- Precipitation
- 5.64 in
- Record high
- 91°FOct 1, 2011
- Record low
- 54°FOct 31, 2012
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.8
- Daylight
- 11 h 54 min to 11 h 13 min
- Cloud cover
- 53%
- Humidity
- 76%
- Dew point
- 73°F
- Wind
- 12.3 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 |
|---|---|---|---|---|---|
| Oct 1 | 87°F | 78°F | 91°F 2011 | 70°F 2007 | 44% |
| Oct 2 | 87°F | 78°F | 90°F 2014 | 68°F 2010 | 44% |
| Oct 3 | 86°F | 77°F | 90°F 2014 | 70°F 2010 | 43% |
| Oct 4 | 86°F | 77°F | 91°F 2014 | 73°F 2015 | 43% |
| Oct 5 | 86°F | 77°F | 91°F 2014 | 72°F 2014 | 43% |
| Oct 6 | 86°F | 77°F | 89°F 2009 | 70°F 2014 | 42% |
| Oct 7 | 86°F | 77°F | 90°F 2009 | 69°F 2010 | 42% |
| Oct 8 | 86°F | 77°F | 90°F 2021 | 70°F 2006 | 41% |
| Oct 9 | 86°F | 77°F | 89°F 2009 | 68°F 2010 | 41% |
| Oct 10 | 86°F | 77°F | 89°F 2020 | 67°F 2010 | 41% |
| Oct 11 | 86°F | 76°F | 91°F 2020 | 73°F 2006 | 40% |
| Oct 12 | 85°F | 76°F | 90°F 2020 | 72°F 2025 | 40% |
| Oct 13 | 85°F | 76°F | 89°F 2023 | 72°F 2011 | 40% |
| Oct 14 | 85°F | 76°F | 91°F 2023 | 69°F 2004 | 39% |
| Oct 15 | 85°F | 76°F | 89°F 2009 | 70°F 2004 | 39% |
| Oct 16 | 85°F | 76°F | 89°F 2020 | 67°F 2004 | 38% |
| Oct 17 | 85°F | 75°F | 90°F 2009 | 64°F 2023 | 38% |
| Oct 18 | 85°F | 75°F | 90°F 2009 | 61°F 2009 | 37% |
| Oct 19 | 84°F | 75°F | 88°F 2021 | 59°F 2009 | 37% |
| Oct 20 | 84°F | 75°F | 87°F 2007 | 63°F 2011 | 36% |
| Oct 21 | 84°F | 75°F | 89°F 2019 | 65°F 2011 | 36% |
| Oct 22 | 84°F | 74°F | 89°F 2019 | 63°F 2011 | 35% |
| Oct 23 | 84°F | 74°F | 88°F 2013 | 67°F 2011 | 35% |
| Oct 24 | 84°F | 74°F | 90°F 2013 | 62°F 2006 | 34% |
| Oct 25 | 83°F | 74°F | 88°F 2017 | 60°F 2005 | 33% |
| Oct 26 | 83°F | 74°F | 88°F 2018 | 58°F 2005 | 33% |
| Oct 27 | 83°F | 73°F | 88°F 2018 | 59°F 2005 | 32% |
| Oct 28 | 83°F | 73°F | 89°F 2019 | 59°F 2005 | 31% |
| Oct 29 | 83°F | 73°F | 88°F 2009 | 55°F 2008 | 31% |
| Oct 30 | 83°F | 73°F | 88°F 2020 | 60°F 2017 | 30% |
| Oct 31 | 82°F | 73°F | 89°F 2020 | 54°F 2012 | 29% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- October 1
- sunrise 7:14 AM, sunset 7:08 PM
- October 31
- sunrise 7:29 AM, sunset 6:42 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00088841 (Tavernier), public domain. Records: NOAA GHCN-Daily, station USC00084412, 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.