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Key West weather

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EuropeanECMWF
26°
Mainly clear
Feels 29° · Wind 22 km/h · Humidity 86%
AmericanNOAA GFS
25°
Clear
Feels 28° · Wind 18 km/h · Humidity 87%
GermanDWD ICON
26°
Partly cloudy
Feels 30° · Wind 13 km/h · Humidity 85%

Latest for Key West: European (ECMWF): 26° Mainly clear · American (NOAA GFS): 25° Clear · German (DWD ICON): 26° Partly cloudy.

The weather map: all three models at once

European, American, German side by side around Key West and nearby towns.Live rain radar →
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Hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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10-day forecast, out to 14 days

where the models agree, and where they split

Heading to Key West? Key West, USA, sits at 24.6°N in a subtropical climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Key West right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a beach trip the rain and wind columns below matter most - that is what makes or breaks a day by the sea.

Best time to visit Key West

The most comfortable time to visit Key West is usually January, February, March and April, when daytime highs sit in the pleasant 24-33°C range and the heaviest September rain is behind you.

Key West weather by month

what to expect in Key West through the year, 1991-2020 normals, Key West Intl AP (WMO)

Here is Key West's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Key West by season.

Jan
24°
19°
Warm
Feb
25°
20°
Warm
Mar
26°
21°
Warm
Apr
28°
23°
Warm
May
30°
25°
Hot
Jun
32°
26°
Hot
Jul
32°
27°
Hot
Aug
33°
27°
Hot
Sep
32°
26°
Hot
Wettest
Oct
30°
25°
Hot
Nov
27°
22°
Warm
Dec
25°
20°
Warm

Key West compared with Toronto

30-year averages: daytime highs month by month, rain and sunlight

Warmer through the year

+15°C

average daytime high: Key West 29°C, Toronto 14°C

Rain over a year

+11%

Key West 1,027 mm, Toronto 924 mm

Sunlight vs a clear sky

85% vs 67%

solar energy reaching the ground as a share of a cloudless day, averaged over the year (not sunshine hours)

Key WestTorontoaverage daytime high, °C, 1991-2020
January, Toronto: 0°CJanuary, Key West: 24°C (+24°C)February, Toronto: 1°CFebruary, Key West: 25°C (+24°C)March, Toronto: 5°CMarch, Key West: 26°C (+21°C)April, Toronto: 12°CApril, Key West: 28°C (+16°C)May, Toronto: 19°CMay, Key West: 30°C (+11°C)June, Toronto: 24°CJune, Key West: 32°C (+8°C)July, Toronto: 27°CJuly, Key West: 32°C (+5°C)August, Toronto: 26°CAugust, Key West: 33°C (+7°C)September, Toronto: 22°CSeptember, Key West: 32°C (+10°C)October, Toronto: 15°COctober, Key West: 30°C (+15°C)November, Toronto: 8°CNovember, Key West: 27°C (+19°C)December, Toronto: 3°CDecember, Key West: 25°C (+22°C)

On 30-year averages Key West runs 15°C warmer than Toronto, with every month between +5°C and +24°C. Over a year it gets 11% more rain than Toronto.

Month by month in numbers
MonthKey WestTorontoDifferenceSunlight, Key WestSunlight, Toronto
January24°C0°C+24°C81%56%
February25°C1°C+24°C85%57%
March26°C5°C+21°C89%64%
April28°C12°C+16°C90%67%
May30°C19°C+11°C88%72%
June32°C24°C+8°C83%76%
July32°C27°C+5°C85%79%
August33°C26°C+7°C85%79%
September32°C22°C+10°C82%76%
October30°C15°C+15°C84%63%
November27°C8°C+19°C84%60%
December25°C3°C+22°C83%54%

Daytime highs and lows on this page are 1991-2020 averages. Key West: station normals from Key West Intl AP (WMO), rain included. Toronto: station normals from Toronto City (WMO); rain is the CHELSA 1981-2010 climatology on a 1 km grid. Sunlight vs a clear sky is NASA POWER's long-term average of the solar energy reaching the ground as a share of a cloudless day; it compares cloudiness and is not a count of sunshine hours. Toronto stands in for Canada here; other cities have their own climate tables.

Common questions

When is the best time to visit Key West?
The most comfortable time to visit Key West is usually January, February, March and April, when daytime highs sit in the pleasant 24-33°C range and the heaviest September rain is behind you.
Will it rain in Key West during my trip?
Rain is where forecasts disagree most. Instead of trusting one app, the comparison above lines up the European, American and German models for Key West - check your dates and look for the days they agree; those are the ones you can plan around.
Which forecast is most accurate for Key West?
For destinations abroad we compare three open global models (ECMWF, GFS and ICON) and show you where they disagree, so you can judge the confidence yourself.
How much warmer is Key West than Toronto?
On 30-year averages (1991-2020) the daytime high in Key West is about 15°C warmer than in Toronto (29°C against 14°C), with the monthly gap between 5°C and 24°C.

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