World Resorts USA Key West Weather

Key West weather in June

Weather in Key West: June

Average day temperature: 84.8°F
Average night temperature: 81.5°F
Sea water temperature: 84.8°F
Number of sunny days: 12 days
Day length: 13.6 - 13.7 hours
Number of rainy days: 6 days
Precipitation totals: 3.5 in.

Air temperature in June, °F

Show year:
2026
2025
2024

The highest day temperature during June of 2026 was 88°F. At the same time the lowest night temperature was 79°F. Daily and nightly averages during June were 85.7°F and 82.7°F.

Sea water temperature in Key West in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 90.3°F and 83.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in June are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in June, in.

Precipitation total value in Key West in June is 3.9 in. Other months of the year show relatively similar values.

Wind speed in June, mph

The average wind speed value in June is 10.6 mph It makes June one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in June is: 8.2.

Best time for vacation in Key West

Sunniest months:
May 17 days
March 16 days
April 16 days
Warmest months:
August 87.4 °F
July 86.9 °F
September 85.8 °F
Warmest sea temp:
August 87.2 °F
July 86.6 °F
September 86.1 °F
Coldest months:
January 72.0 °F
February 73.7 °F
December 75.4 °F
Rainiest months:
August 7 days
September 6 days
July 6 days
Windiest months:
November 14.7 mph
December 13.9 mph
January 13.8 mph

Key West on a weather map

Key West
+86°F
W 12 mph
Feels like: +97°F
Precip.: 7%
Places in USA:
Name
°F
+68°F
+79°F
+97°F
+75°F
+82°F
+84°F
+75°F
+81°F
+75°F
+66°F
+68°F
+81°F
+84°F
+82°F
+79°F
24 Hours Forecast
Key West
Local time: 21:56
June 30, tuesday
0000
86°F
W
12 mph
0300
84°F
W
11 mph
0600
84°F
W
9 mph
0900
84°F
NW
7 mph
1200
84°F
W
5 mph
1500
86°F
SW
4 mph
1800
86°F
S
3 mph
2100
86°F
SW
6 mph
Units of measurement: °C / °F