Monthly climate guide
Guantánamo weather in January
With highs near 29°C (84°F) and lows around 23°C (73°F), January feels hot in Guantánamo. Rainfall averages about 22 mm (fairly dry) and the sky is a mix of sun and cloud. Daytime highs are about the same as December and about the same as February.
What stands out in January
- Humidity near 73% makes 29°C feel stickier than it sounds.
- It's one of the drier stretches of the year in Guantánamo.
- Rain is well below Guantánamo's usual level (around 49% less).
- Just 150 km apart, but Guantánamo runs about 2°C cooler than Bayamo this month.
January is typically Guantánamo's coolest month.
Avg high
29°C
84°F
Avg low
23°C
73°F
Rainfall
22 mm
fairly dry
Humidity
73%
relative
Sky
36%
cloud · a mix of sun and cloud
Guantánamo weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 29°C / 84°F | 23°C / 73°F | 22 mm | 73% | 36% |
| February | 29°C / 85°F | 23°C / 73°F | 18 mm | 71% | 30% |
| March | 30°C / 86°F | 23°C / 73°F | 14 mm | 67% | 33% |
| April | 31°C / 88°F | 24°C / 75°F | 21 mm | 68% | 39% |
| May | 31°C / 88°F | 25°C / 77°F | 45 mm | 71% | 54% |
| June | 31°C / 88°F | 26°C / 79°F | 62 mm | 72% | 56% |
| July | 32°C / 89°F | 26°C / 79°F | 24 mm | 72% | 44% |
| August | 32°C / 89°F | 27°C / 80°F | 47 mm | 73% | 46% |
| September | 32°C / 89°F | 26°C / 79°F | 52 mm | 73% | 52% |
| October | 30°C / 87°F | 26°C / 78°F | 123 mm | 77% | 54% |
| November | 30°C / 85°F | 25°C / 76°F | 64 mm | 76% | 45% |
| December | 29°C / 85°F | 24°C / 75°F | 23 mm | 75% | 32% |
What to pack for January
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- Sunglasses
Is January a good time to visit Guantánamo?
Compare the months in the chart above to find your ideal window.
Best time to visit Guantánamo →Other Cuba cities in January
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Guantánamo weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/cuba/guantanamo/january
<a href="https://weathercompare.eu/weather/cuba/guantanamo/january">Guantánamo weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/cuba/guantanamo" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Guantánamo weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/cuba/guantanamo/january">Guantánamo weather in January</a> – WeatherCompare</p>
Guantánamo in January: quick answers
Is January a good time to visit Guantánamo?
Yes. January is one of the best months for Guantánamo, with highs around 29°C and about 22 mm of rain.
How warm is Guantánamo in January?
Average highs are about 29°C (84°F) and average lows about 23°C (73°F), based on 10 years of daily data.
Does it rain a lot in Guantánamo in January?
Guantánamo typically gets around 22 mm of rain in January — fairly dry.
Figures are long-term averages for the area around Guantánamo (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.