Key West Weather in April
Thinking of visiting Key West in April? Expect high temperatures reaching 28°C (82°F) during the day, dropping to 23°C (73°F) at night, with some rainfall likely.
Rainfall in Key West in April
Rain is expected on roughly 6 days, totalling around 56 mm (2.2 in) for the month. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Key West in April
April is one of the better months to visit Key West. Expect 28°C (82°F) during the day and 23°C (73°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights stay warm at around 23°C (73°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Key West in April
Enjoy a sunny month with about 326 hours of sunshine, the clear skies make Key West even more beautiful.
Average water temperature in April
With water at 26°C (79°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, November and December typically offer the best circumstances for Key West.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Key West's climate page.
Key West Temperature in April
Min Temperature
23°C (73°F)
Max Temperature
28°C (82°F)
Water Temperature
26°C (79°F)
Chance of Rain
19%
Precipitation
56 mm (2.2 in)
Rainy days
6 days
Humidity
71%
Sunshine
326 hours
Percentage Sunshine
85%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Key West typically stay consistent throughout April, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Key West in April
Browse day-by-day weather records for Key West spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Key West historical weather extremes in April
Based on 50 years of weather observations in Key West between 1976 and 2026, these are the recorded extremes.
- The hottest April day on record in Key West reached 42°C (108°F) (April 28, 2014).
- The coldest April day was on April 1, 1987, with a maximum of 18°C (64°F).
- The coldest night in April in Key West was on April 2, 1987, with a minimum of 10°C (50°F).
Best Places in the United States of America in April
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Key West in April
Warm weather calls for comfortable, breathable clothing in April. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. With water temperatures around 26°C (79°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Key West in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Key West's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Key West climate overview or explore weather in the United States of America.
