Key West

Florida, USA

🌴
24°C (75°F)
Feels like 25°C (77°F)

December Weather Details

🌡️ Temperature

Daytime Highs
24°C
(75°F)
Nighttime Lows
22°C
(72°F)

Warm and humid with a feels-like temperature of 25°C (77°F) .

🌧️ Rainfall

Moderate

December rainfall patterns vary by location. Check local forecasts for specific precipitation amounts.

💧 Humidity

80% Average

Humidity levels affect how the temperature feels. Higher humidity makes warm temperatures feel hotter.

☀️ Sunshine

7-8 hours daily

December days are shorter in the northern hemisphere. Plan activities accordingly.

🌊 Ocean & Beaches

Water Temperature
25° C
( 77 °F)
Surf Conditions
Calm

Warm, clear Gulf and Atlantic waters - great for snorkeling and swimming in December

Temperature, humidity and rainfall are December averages for 2015–2024 (water temperature: Decembers 2022–2024) from Open-Meteo (ERA5 reanalysis), licensed CC BY 4.0.

🎯 Popular Activities

Activities

  • Snorkeling
  • Sunset celebrations
  • Boat tours
  • Fishing
  • Bar hopping

Attractions

  • Mallory Square
  • Duval Street
  • Ernest Hemingway Home
  • Dry Tortugas National Park
  • Fort Zachary Taylor

💰 Cost of Living

$4,000
estimated per month
SOLO TRAVELERS

📶 Internet Speed

70
Mbps
Estimated average speed

📊 Quick Facts

Weather Warm and humid
Humidity 80%

✅ December Summary

December in Key West offers warm and humid weather with temperatures ranging from 22°C (72°F) to 24°C (75°F). The humidity is around 80% and you can expect 7-8 hours daily. Popular activities include Snorkeling, Sunset celebrations, Boat tours and more. For digital nomads, the cost of living is approximately $4,000 per month and internet speeds average 70 Mbps.