Guantánamo Climate by Month
Guantánamo, Guantánamo Province, Cuba
Hot all year, with rain spread through the year.
Guantánamo is hot all year, with rain spread through the year. Expect highs of 91°F (33°C) in August and 85°F (29°C) in January, with the coldest nights (February) near 67°F (20°C). About 43 in (1102 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 91°F(33°C)
- Average high, August
- Coldest nights
- 67°F(20°C)
- Average low, February
- Rain per year
- 43 in(1102 mm)
- No clear rainy season
- Humidity
- 77%
- Sunniest: April
Best and worst months in Guantánamo
Best for weatherDecember to February are the best time for weather in Guantánamo: highs near 85°F (29°C) and about 1.2 in (31 mm) of rain a month.
Least pleasantSeptember and October are the least pleasant; September is the hottest, with highs of 90°F (32°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Guantánamo weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 85°F(29°C) | 68°F(20°C) | 1.2 in(30 mm) | 78% | 4.6 |
| FebFebruaryBest | 86°F(30°C) | 67°F(20°C) | 0.8 in(21 mm) | 74% | 5.3 |
| MarMarch | 87°F(30°C) | 69°F(20°C) | 1.6 in(41 mm) | 74% | 6.1 |
| AprApril | 87°F(31°C) | 72°F(22°C) | 3.1 in(78 mm) | 76% | 6.5 |
| MayMay | 88°F(31°C) | 74°F(23°C) | 6.8 in(173 mm) | 78% | 6.0 |
| JunJune | 89°F(32°C) | 76°F(24°C) | 3.8 in(97 mm) | 79% | 6.1 |
| JulJuly | 90°F(32°C) | 76°F(25°C) | 3.0 in(77 mm) | 77% | 6.3 |
| AugAugust | 91°F(33°C) | 76°F(25°C) | 4.7 in(119 mm) | 77% | 6.0 |
| SepSeptember | 90°F(32°C) | 75°F(24°C) | 6.3 in(161 mm) | 79% | 5.5 |
| OctOctober | 88°F(31°C) | 74°F(23°C) | 6.8 in(173 mm) | 80% | 5.0 |
| NovNovember | 86°F(30°C) | 72°F(22°C) | 3.6 in(91 mm) | 77% | 4.6 |
| DecDecemberBest | 85°F(29°C) | 70°F(21°C) | 1.6 in(41 mm) | 78% | 4.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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