Climate averages 1991–2020
Guantánamo weather
in August.
A hot, wet month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Guantánamo: daytime highs average 33.6°C and nights cool to about 24.7°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 98 mm of rain on roughly 18 days, which makes August a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 49 min on an average August day.
The nearest other city in this atlas is Moa (63 km away). In August its highs average 30.9°C, 2.7°C cooler than Guantánamo, with 80 mm of rain.
Among the 21 cities listed in Cuba, Guantánamo ranks joint 2nd of 21 for the warmest August highs and 8th of 21 for the driest August (rainfall, lowest first). The mean August high of those 21 cities is 32.4°C; Guantánamo is 1.2°C warmer than that mean.
From August to September, average highs fall by 1.4°C to 32.2°C, and monthly rainfall rises from 98 mm to 137 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Guantánamo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.4°C20.4°C | 20.4°C | 16 | 4.2 | 11.111 h |
| February | 30.0°C20.3°C | 20.3°C | 16 | 3.6 | 11.511 h |
| March | 30.3°C20.6°C | 20.6°C | 34 | 6.3 | 12.012 h |
| April | 31.0°C21.7°C | 21.7°C | 58 | 9.7 | 12.613 h |
| May | 31.1°C22.8°C | 22.8°C | 139 | 17.2 | 13.113 h |
| June | 32.3°C24.0°C | 24.0°C | 99 | 16.6 | 13.313 h |
| July | 33.8°C24.7°C | 24.7°C | 77 | 16.7 | 13.213 h |
| August, selected | 33.6°C24.7°C | 24.7°C | 98 | 18.4 | 12.813 h |
| September | 32.2°C24.1°C | 24.1°C | 137 | 21.5 | 12.312 h |
| October | 30.8°C23.4°C | 23.4°C | 117 | 18.7 | 11.712 h |
| November | 30.0°C22.2°C | 22.2°C | 58 | 10.0 | 11.211 h |
| December | 29.5°C21.1°C | 21.1°C | 26 | 5.2 | 10.911 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Moa in AugustCuba · 63 kmHigh 30.9°C · Low 26.0°C · 80 mm rain
- Santiago de Cuba in AugustCuba · 65 kmHigh 32.3°C · Low 25.1°C · 82 mm rain
- Palma Soriano in AugustCuba · 82 kmHigh 32.7°C · Low 23.8°C · 105 mm rain
- Contramaestre in AugustCuba · 109 kmHigh 33.5°C · Low 23.9°C · 86 mm rain
- Holguín in AugustCuba · 137 kmHigh 32.7°C · Low 24.5°C · 86 mm rain
- Bayamo in AugustCuba · 152 kmHigh 33.8°C · Low 23.7°C · 135 mm rain
- Puerto Padre in AugustCuba · 186 kmHigh 32.2°C · Low 25.7°C · 72 mm rain
- Manzanillo, Cuba in AugustCuba · 200 kmHigh 33.6°C · Low 24.8°C · 126 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Guantánamo) is explained once on the Guantánamo year overview and on the Sources, method and limits page.