Best time to visit Key West

Q: When is the best time to visit Key West?

The best time to visit Key West is March and April based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Q: Which is the hottest month in Key West?

The hottest time of year in Key West is normally August. Expect maximum daytime temperatures to reach 32°C with very high heat and humidity.

Q: Which month has the most rain in Key West?

In terms of rainfall, September is usually the wettest month in Key West with 166mm on average. There are normally 15 days in September with some rain.

Q: When is it sunniest in Key West?

The sunniest time of year in Key West is normally April with bright sunshine on average for 83% of daylight hours; that's 11 hours of sunshine per day.

Q: When is the sea warmest in Key West?

The sea is usually at its warmest in Key West in August when the water temperature reaches 30°C.

Find the best time to visit Key West and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Key West by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Florida

TUI: up to 8% off holidays booked online

Sale

Book online with TUI & save up to 8% on holidays
FREE child places available for select holidays
Pay £0 deposits with direct debit & spread the cost

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

When is the best time to visit Key West?

The best time to visit Key West is March and April based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

4
Jan
4
Feb
5
Mar
5
Apr
4.5
May
4
Jun
3.5
Jul
3.5
Aug
4
Sep
4
Oct
4
Nov
4
Dec

Change criteria

Max Day Temperature (°F)

75
Jan
75
Feb
79
Mar
82
Apr
84
May
88
Jun
90
Jul
90
Aug
88
Sep
84
Oct
81
Nov
75
Dec

Hours of Sunshine (daily)

8
Jan
9
Feb
10
Mar
11
Apr
11
May
10
Jun
10
Jul
10
Aug
9
Sep
8
Oct
8
Nov
7
Dec

Which is the hottest month in Key West?

The hottest time of year in Key West is normally August. Expect maximum daytime temperatures to reach 90°F with very high heat and humidity.

Which month has the most rain in Key West?

In terms of rainfall, September is usually the wettest month in Key West with 6.5 inches on average. There are normally 15 days in September with some rain.

When is it sunniest in Key West?

The sunniest time of year in Key West is normally April with bright sunshine on average for 83% of daylight hours; that's 11 hours of sunshine per day.

When is the sea warmest in Key West?

The sea is usually at its warmest in Key West in August when the water temperature reaches 86°F.