Climate Key West - Florida
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 74 | 76 | 78 | 81 | 85 | 88 |
| Average low in ºF Av. low Lo | 64 | 66 | 68 | 72 | 76 | 79 |
| Av. precipitation in inch Av. precip. Pre. | 2.04 | 1.49 | 2.05 | 2.05 | 3.00 | 4.11 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 89 | 89 | 88 | 85 | 80 | 76 |
| Average low in ºF Av. low Lo | 80 | 80 | 78 | 76 | 72 | 67 |
| Av. precipitation in inch Av. precip. Pre. | 3.55 | 5.38 | 6.71 | 4.93 | 2.30 | 2.22 |
What is the average weather in Key West, Florida?
Key West experiences a tropical savanna climate, characterized by warm winters and hot summers. The area is fairly wet overall, with a strong seasonal pattern where fall brings the most precipitation. Heavy seasonal downpours or afternoon thunderstorms can sometimes occur during the warmer months, while winter is the driest season.
Key West Climate Graph - Florida Climate Chart
Daily normals Key West - Florida - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 76.2 | 66.2 | 0.07 | 0.07 | 0.00 | 0.00 |
| 2 Jan | 76.1 | 66.1 | 0.13 | 0.13 | 0.00 | 0.00 |
| 3 Jan | 76.0 | 65.9 | 0.20 | 0.20 | 0.00 | 0.00 |
| 4 Jan | 76.0 | 65.8 | 0.26 | 0.26 | 0.00 | 0.00 |
| 5 Jan | 75.9 | 65.8 | 0.32 | 0.32 | 0.00 | 0.00 |
| 6 Jan | 75.9 | 65.7 | 0.38 | 0.38 | 0.00 | 0.00 |
| 7 Jan | 75.8 | 65.6 | 0.43 | 0.43 | 0.00 | 0.00 |
| 8 Jan | 75.7 | 65.5 | 0.49 | 0.49 | 0.00 | 0.00 |
| 9 Jan | 75.7 | 65.4 | 0.54 | 0.54 | 0.00 | 0.00 |
| 10 Jan | 75.7 | 65.4 | 0.59 | 0.59 | 0.00 | 0.00 |
| 11 Jan | 75.6 | 65.3 | 0.65 | 0.65 | 0.00 | 0.00 |
| 12 Jan | 75.6 | 65.3 | 0.70 | 0.70 | 0.00 | 0.00 |
| 13 Jan | 75.6 | 65.3 | 0.76 | 0.76 | 0.00 | 0.00 |
| 14 Jan | 75.6 | 65.2 | 0.81 | 0.81 | 0.00 | 0.00 |
| 15 Jan | 75.6 | 65.2 | 0.87 | 0.87 | 0.00 | 0.00 |
| 16 Jan | 75.6 | 65.2 | 0.92 | 0.92 | 0.00 | 0.00 |
| 17 Jan | 75.6 | 65.2 | 0.98 | 0.98 | 0.00 | 0.00 |
| 18 Jan | 75.6 | 65.2 | 1.04 | 1.04 | 0.00 | 0.00 |
| 19 Jan | 75.6 | 65.2 | 1.10 | 1.10 | 0.00 | 0.00 |
| 20 Jan | 75.6 | 65.2 | 1.16 | 1.16 | 0.00 | 0.00 |
| 21 Jan | 75.7 | 65.3 | 1.22 | 1.22 | 0.00 | 0.00 |
| 22 Jan | 75.7 | 65.3 | 1.28 | 1.28 | 0.00 | 0.00 |
| 23 Jan | 75.7 | 65.3 | 1.35 | 1.35 | 0.00 | 0.00 |
| 24 Jan | 75.8 | 65.4 | 1.41 | 1.41 | 0.00 | 0.00 |
| 25 Jan | 75.8 | 65.4 | 1.47 | 1.47 | 0.00 | 0.00 |
| 26 Jan | 75.9 | 65.5 | 1.53 | 1.53 | 0.00 | 0.00 |
| 27 Jan | 75.9 | 65.6 | 1.59 | 1.59 | 0.00 | 0.00 |
| 28 Jan | 76.0 | 65.6 | 1.66 | 1.66 | 0.00 | 0.00 |
| 29 Jan | 76.1 | 65.7 | 1.71 | 1.71 | 0.00 | 0.00 |
| 30 Jan | 76.1 | 65.8 | 1.77 | 1.77 | 0.00 | 0.00 |
| 31 Jan | 76.2 | 65.9 | 1.83 | 1.83 | 0.00 | 0.00 |
Weather history Key West - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 90.0 | 80.1 | 0.70 | 0.00 | 0.0 |
| 02 Sep | 90.0 | 82.9 | 0.00 | 0.00 | 0.0 |
| 03 Sep | 91.0 | 82.9 | 0.00 | 0.00 | 0.0 |
| 04 Sep | 91.0 | 80.1 | 0.22 | 0.00 | 0.0 |
| 05 Sep | 90.0 | 78.1 | 0.17 | 0.00 | 0.0 |
| 06 Sep | 91.0 | 82.0 | 0.03 | 0.00 | 0.0 |
| 07 Sep | 89.1 | 82.0 | 0.20 | 0.00 | 0.0 |
| 08 Sep | 91.0 | 80.1 | 0.97 | 0.00 | 0.0 |
| 09 Sep | 90.0 | 82.0 | 0.00 | 0.00 | 0.0 |
| 10 Sep | 89.1 | 81.0 | 0.19 | 0.00 | 0.0 |
| 11 Sep | 90.0 | 84.0 | 0.01 | 0.00 | 0.0 |
| 12 Sep | 93.9 | 78.1 | 0.30 | 0.00 | 0.0 |
| 13 Sep | 89.1 | 78.1 | 0.67 | 0.00 | 0.0 |
| 14 Sep | - | - | - | - | - |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | - | - | - | - | - |
| 18 Sep | - | - | - | - | - |
| 19 Sep | - | - | - | - | - |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Key West
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 90.4 ºF | 74 ºF | |
| Average low temperature Av. low temp. | 80.9 ºF | 64 ºF | |
| Total precipitation Total precip. | 3.46 inch | 2.04 inch | |
| Total snowfall Total snowfall | 0.00 inch | 0 inch | |
| Highest max temperature Highest max temp. | 93.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 89.1 ºF | - | |
| Highest min temperature Highest min temp. | 84.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 78.1 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Key West - Florida
| Country | United States | |
|---|---|---|
| State | Florida | |
| County | Monroe | |
| City | Key West | |
| Zip Code | 33040 | |
| Longitude | -81.76 dec. degr. | |
| Latitude | 24.56 dec. degr. | |
| Altitude - Elevation | 10ft | |
| ICAO | - | |
| IATA | - |
Date and Time Key West - Florida
| Local Time | 08:54 AM | |
|---|---|---|
| Sunrise | 07:13 AM | |
| Sunset | 07:28 PM | |
| Day/Night | Day | |
| Timezone | Eastern Daylight Time | |
| Timezone DB | America - New York |
Map of Key West - Florida
USGS National Map — Open interactive map
Key West weather averages
| Annual high temperature | 82ºF |
| Annual low temperature | 73ºF |
| Average annual precip. | 39.83 inch |
Station Data
Monthly averages Key West
Longitude: -81.7596, Latitude: 24.5561
Average weather Key West, FL - 33040
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...