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 perfect 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cuba, check out our Guantanamo's climate page.
Guantanamo Temperature in December
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 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 →
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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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cuba, check out our Guantanamo's climate page.
See the full Guantanamo climate overview or explore weather in Cuba.