Key West, FL weather in October
Key West is warm and oppressively humid in October, with frequent rain: highs average 86°F and nights drop to about 77°F. Expect about 12 wet days.
- Normal high
- 86°F
- Normal low
- 77°F
- Wet days
- 12
- 5.7 in total
- Muggy days
- 29
- dew point 65°F+
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 88°F | 83°F |
| Normal low | 79°F | 75°F |
| Chance of a wet day | 46% | 30% |
| Sunrise / sunset | 7:19 am / 7:14 pm | 7:33 am / 6:47 pm |
| Daylight | 11.9 h | 11.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical October day
- 6 am78°Fdew point 72°F
- 9 am82°Fdew point 72°F
- Noon83°Fdew point 73°F
- 3 pm84°Fdew point 72°F
- 6 pm81°Fdew point 72°F
- 9 pm80°Fdew point 72°F
NOAA hourly normals (local standard time) from Key West Intl Airport (2 mi away); average wind 10 mph; clear or few clouds in 63% of daytime hours, mostly cloudy or overcast in 23%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph18 of 31
- Hot dayshigh 90°F or more1 of 31
- Muggy daysdaily mean dew point 65°F or more29 of 31
- Wet daysat least 0.01 in of rain or melted snow12 of 31
- Notable rainat least 0.10 in8 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain in October
Normal precipitation is 5.7 in; a dry October brings about 2.3 in and a wet one about 7.2 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.
How October varies from year to year
- Warmest October, 1991-20202018: average high 88°F
- Coolest October2000: average high 83°F
- Wettest October2011: 17.1 in
- Driest October2015: 0.8 in
- Highest reading91°F (October 1, 2020)
- Lowest reading60°F (October 31, 2017)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 89°F | 86°F | 81°F |
| Normal low | 79°F | 77°F | 72°F |
| Wet days | 16 | 12 | 6 |
| Comfortable days | 0 | 1 | 3 |
| Daylight | 12.3 h | 11.6 h | 11.0 h |
Highs change by -3°F from September and -5°F into November.
Nearby alternatives in October
- Drier: Cape Coral, FL139 mi · high 87°F · 8 wet days
How Key West ranks in October
- Normal high26th warmest of 378 cities; 8th of 23 in Florida
- Wet days335th driest of 378
- Comfortable days327th most of 340
What to pack for Key West in October
- Light, breathable clothing – highs near 86°F and about 29 muggy days
- A rain jacket or umbrella – rain on about 12 days
- A swimsuit – about 18 beach days
Heating and cooling
October has 0 heating degree days and 505 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.
Questions
How hot is Key West in October?
The normal high is 86°F and the normal low is 77°F. From 1991 to 2020 the hottest October reading was 91°F (most recently on October 1, 2020).
Does it rain a lot in Key West in October?
About 12 days in October have at least 0.01 in of precipitation, and the normal total is 5.7 in. The wettest October in 1991-2020 was in 2011 (17.1 in); the driest was in 2015 (0.8 in).
Is October a good time to visit Key West?
October ranks 9th of 12 months on our comfort score for Key West (45 out of 100). It has about 1 comfortable day and about 1 day at 90°F or hotter. The best months are January, February and March.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Key West Intl Airport (USW00012836), 1.9 mi E of the city center, 4 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Key West International Airport (722010-12836), 1.7 mi E of the city center, 1 ft . Hourly observations, 1991-2020.
- Not available for this location: snowfall and snow depth (no station close enough or similar enough in elevation).