Climate averages 1991–2020
Guantánamo weather
in May.
A hot, wet month: the 5th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Guantánamo: daytime highs average 31.1°C and nights cool to about 22.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 139 mm of rain on roughly 17 days, which makes May a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 05 min on an average May day.
The nearest other city in this atlas is Moa (63 km away). In May its highs average 29.2°C, 2.0°C cooler than Guantánamo, with 116 mm of rain.
Among the 21 cities listed in Cuba, Guantánamo ranks joint 9th of 21 for the warmest May highs and 16th of 21 for the driest May (rainfall, lowest first). The mean May high of those 21 cities is 30.9°C; Guantánamo is 0.3°C warmer than that mean.
From May to June, average highs rise by 1.2°C to 32.3°C, and monthly rainfall falls from 139 mm to 99 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Moa in MayCuba · 63 kmHigh 29.2°C · Low 24.2°C · 116 mm rain
- Santiago de Cuba in MayCuba · 65 kmHigh 30.5°C · Low 23.6°C · 114 mm rain
- Palma Soriano in MayCuba · 82 kmHigh 31.1°C · Low 22.3°C · 129 mm rain
- Contramaestre in MayCuba · 109 kmHigh 31.6°C · Low 22.4°C · 144 mm rain
- Holguín in MayCuba · 137 kmHigh 30.6°C · Low 22.7°C · 137 mm rain
- Bayamo in MayCuba · 152 kmHigh 31.9°C · Low 22.3°C · 188 mm rain
- Puerto Padre in MayCuba · 186 kmHigh 30.2°C · Low 23.7°C · 96 mm rain
- Manzanillo, Cuba in MayCuba · 200 kmHigh 32.2°C · Low 23.5°C · 167 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.