Climate & Weather in Key West, 🇺🇸 United States - Monthly Averages, Forecast & Air Quality
🇺🇸 Key West,
United States
#2468
Nomad Score
5.5
Coords
24.5548262, -81.8020722
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CURRENT CONDITIONS
Temperature
30.7°C
/
24.3°C
Feels Like
39.2°C / 26.1°C
Weather
🌧️ Heavy rain
Humidity
%
Wind
22.6 km/h
(gusts 27.0)
UV Index
7.8
Sunrise / Sunset
07:12
/
19:32
Daylight
12.3 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Sun 13 Sep | 🌧️ Heavy rain | 30.7° | 24.3° | 15% |
| Mon 14 Sep | 🌧️ Light drizzle | 30.0° | 26.4° | 32% |
| Tue 15 Sep | ⛈️ Thunderstorm with slight hail | 29.9° | 28.6° | 50% |
| Wed 16 Sep | 🌧️ Light drizzle | 29.9° | 29.3° | 66% |
| Thu 17 Sep | 🌧️ Moderate drizzle | 29.5° | 28.7° | 66% |
| Fri 18 Sep | 🌧️ Moderate drizzle | 29.4° | 28.7° | 50% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| January | Excellent | 22.5°C | 20.1°C | 6.6 |
| March | Excellent | 24.6°C | 22.7°C | 4.6 |
| April | Excellent | 25.7°C | 23.9°C | 5.8 |
| November | Excellent | 25.8°C | 23.8°C | 6.6 |
| December | Excellent | 23.9°C | 22.0°C | 7.0 |
| February | Excellent | 23.4°C | 21.5°C | 5.1 |
| May | Excellent | 27.6°C | 25.7°C | 7.9 |
| October | Good | 27.9°C | 25.7°C | 13.9 |
| June | Fair | 28.8°C | 26.5°C | 17.4 |
| September | Fair | 29.6°C | 27.0°C | 19.0 |
| July | Fair | 29.9°C | 27.5°C | 15.7 |
| August | Fair | 30.1°C | 27.6°C | 17.4 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
36
🟢 Good
US Air Quality Index
European AQI: 29
PM2.5
6.2 µg/m³
PM10
11.0 µg/m³
Ozone
77.0 µg/m³
NO₂
1.0 µg/m³
SO₂
0.8 µg/m³
CO
103.0 µg/m³
UV Index
0.0
Dust
5.0 µg/m³
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 22.5° | 20.1° | 21.2° | 23.4° | 18.7° | 32.0 mm | 6.6 | 0.0 cm | 288.3 hrs | 10.8 hrs | - | 79.6% | 29.6 km/h | 50.3% |
| Feb | 23.4° | 21.5° | 22.4° | 25.0° | 20.9° | 33.8 mm | 5.1 | 0.0 cm | 288.4 hrs | 11.3 hrs | - | 80.6% | 29.0 km/h | 32.3% |
| Mar | 24.6° | 22.7° | 23.7° | 26.7° | 22.1° | 36.1 mm | 4.6 | 0.0 cm | 341.0 hrs | 12.0 hrs | - | 76.8% | 30.4 km/h | 31.4% |
| Apr | 25.7° | 23.9° | 24.8° | 27.9° | 23.6° | 35.6 mm | 5.8 | 0.0 cm | 369.0 hrs | 12.7 hrs | - | 74.5% | 30.7 km/h | 33.0% |
| May | 27.6° | 25.7° | 26.7° | 31.8° | 27.5° | 55.5 mm | 7.9 | 0.0 cm | 390.6 hrs | 13.3 hrs | - | 75.7% | 25.2 km/h | 33.3% |
| Jun | 28.8° | 26.5° | 27.8° | 33.3° | 29.1° | 180.9 mm | 17.4 | 0.0 cm | 342.0 hrs | 13.6 hrs | - | 78.0% | 25.6 km/h | 59.8% |
| Jul | 29.9° | 27.5° | 28.9° | 35.1° | 30.9° | 115.0 mm | 15.7 | 0.0 cm | 375.1 hrs | 13.5 hrs | - | 75.9% | 23.2 km/h | 58.5% |
| Aug | 30.1° | 27.6° | 29.1° | 35.2° | 30.9° | 144.3 mm | 17.4 | 0.0 cm | 359.6 hrs | 13.0 hrs | - | 75.5% | 24.6 km/h | 59.3% |
| Sep | 29.6° | 27.0° | 28.5° | 34.4° | 30.3° | 189.4 mm | 19.0 | 0.0 cm | 309.0 hrs | 12.3 hrs | - | 76.1% | 23.4 km/h | 59.8% |
| Oct | 27.9° | 25.7° | 26.9° | 30.7° | 27.2° | 110.0 mm | 13.9 | 0.0 cm | 316.2 hrs | 11.6 hrs | - | 75.5% | 28.7 km/h | 49.4% |
| Nov | 25.8° | 23.8° | 24.7° | 27.3° | 23.7° | 62.0 mm | 6.6 | 0.0 cm | 285.0 hrs | 11.0 hrs | - | 77.2% | 30.6 km/h | 45.3% |
| Dec | 23.9° | 22.0° | 22.9° | 25.1° | 21.4° | 75.6 mm | 7.0 | 0.0 cm | 285.2 hrs | 10.6 hrs | - | 79.5% | 29.1 km/h | 45.2% |