Climateby Month

Naples vs Key West weather

Naples, FL and Key West, FL · 110 mi apart

July highs: 91°F in Naples, 90°F in Key West (Naples is 1°F warmer). January highs: 74°F and 76°F (Key West is 2°F warmer). Naples has about 132 wet days a year, Key West about 107. Muggy days: about 236 a year in Naples, about 284 in Key West.

Naples, FL

50°60°70°80°90°100° January: normal high 74°F (23°C), low 52°F (11°C) 74° 52° February: normal high 77°F (25°C), low 54°F (12°C) March: normal high 79°F (26°C), low 57°F (14°C) April: normal high 83°F (28°C), low 61°F (16°C) May: normal high 87°F (31°C), low 66°F (19°C) June: normal high 89°F (32°C), low 71°F (22°C) July: normal high 91°F (33°C), low 72°F (22°C) 91° 72° August: normal high 91°F (33°C), low 73°F (23°C) September: normal high 90°F (32°C), low 72°F (22°C) October: normal high 86°F (30°C), low 68°F (20°C) November: normal high 81°F (27°C), low 60°F (16°C) December: normal high 76°F (24°C), low 55°F (13°C) JFMAMJJASOND

Best months: January, March

Key West, FL

50°60°70°80°90°100° January: normal high 76°F (24°C), low 66°F (19°C) 76° 66° February: normal high 77°F (25°C), low 67°F (19°C) March: normal high 80°F (27°C), low 69°F (21°C) April: normal high 83°F (28°C), low 73°F (23°C) May: normal high 86°F (30°C), low 76°F (24°C) June: normal high 89°F (32°C), low 79°F (26°C) July: normal high 90°F (32°C), low 81°F (27°C) August: normal high 91°F (33°C), low 81°F (27°C) 91° 81° September: normal high 89°F (32°C), low 79°F (26°C) October: normal high 86°F (30°C), low 77°F (25°C) November: normal high 81°F (27°C), low 72°F (22°C) December: normal high 78°F (26°C), low 68°F (20°C) JFMAMJJASOND

Best months: January, February, March

Which city for what

  • Fewer wet days: Key West (107 a year vs 132 a year)
  • Less humid: Naples (236 muggy days vs 284 muggy days)
  • More comfortable days: Naples (51 a year vs 37 a year)

Listed only where the difference is at least 3°F in highs, 10 days a year or 3 in of snow.

Season by season

SeasonAvg high NaplesAvg high Key WestWet days NaplesWet days Key West
Winter (Dec-Feb)76°F77°F2118
Spring (Mar-May)83°F83°F2117
Summer (Jun-Aug)90°F90°F5637
Fall (Sep-Nov)85°F85°F3434

Side by side over a year

NaplesKey West
Hot days (90°F+)12256
Freezing nights00
Muggy days236284
Comfortable days5137
Precipitation61.3 in40.4 in
Snowfall0.0 in–
Frost datesfrost in about 33% of yearsfrost-free
Daylight in June / December13.8 h / 10.5 h13.6 h / 10.6 h
Best monthsJanuary, MarchJanuary, February, March

Day counts from each city's daily records, 1991-2020. Comfortable days: highs 65-80°F and dew point under 60°F.

Month by month

MonthHigh NaplesHigh Key WestWet days NaplesWet days Key West
January74°F76°F87
February77°F77°F65
March79°F80°F55
April83°F83°F75
May87°F86°F98
June89°F89°F1811
July91°F90°F1912
August91°F91°F2015
September90°F89°F1716
October86°F86°F1012
November81°F81°F66
December76°F78°F86

Both charts use the same temperature scale.

Where the numbers come from

  • Naples, FL: temperature from Naples (USC00086078), 7.0 mi ENE of the city center; precipitation from Naples (USC00086078). NOAA 1991-2020 normals and daily records.
  • Key West, FL: temperature from Key West Intl Airport (USW00012836), 1.9 mi E of the city center; precipitation from Key West Intl Airport (USW00012836). NOAA 1991-2020 normals and daily records.

Every station for each city, including humidity and frost, is listed on the city page. Methodology.