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Guantanamo Weather in December
Guantanamo in December sees high daytime temperatures of 29°C (84°F) and nighttime lows of 24°C (75°F). Low rainfall is typical, with around 25 mm (1 in) for the month.
Rainfall in Guantanamo in December
Records from the past 30 years suggest around 6 days of rain, with 25 mm (1 in) average for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Guantanamo in December
Guantanamo has excellent weather in December, with days reaching 29°C (84°F) and nights cooling to 24°C (75°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit Guantanamo.
Guantanamo Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
21%
Precipitation
25 mm (1 in)
Rainy days
6 days
Guantanamo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Guantanamo - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Guantanamo typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in December
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 December
Historical weather records for Guantanamo in December
Browse day-by-day weather records for Guantanamo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guantanamo historical weather extremes in December
Our historical data for Guantanamo spans 1976 to 2025, revealing these weather extremes.
- Guantanamo recorded its highest December temperature of 37°C (99°F) on December 20, 1977.
- The coldest December day was on December 11, 1999, with a maximum of 22°C (72°F).
- Guantanamo registered its coldest December night on December 12, 1981, with temperatures dropping to 15°C (59°F).
Best Places in Cuba in December
Find out more about the weather in Cuba and which places have the best travel conditions in this month. See all of Cuba in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Guantanamo in December
Warm but pleasant conditions in Guantanamo in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket.
What To Do in Guantanamo in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Cycling8/10 -
Walking8/10 -
Camping10/10 -
Outdoor sports8/10
Guantanamo 3-Day Forecast
More climate data for Guantanamo
See the full Guantanamo climate overview or explore weather in Cuba.
Popular in December
Where to go in December - average daytime high across popular destinations.
Ciego de Ávila
30°C (86°F) Camagüey29°C (84°F) Guantanamo29°C (84°F) Cabo Cruz28°C (82°F) Cienfuegos29°C (84°F) Havana
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