Guantánamo in Fall
In fall (September, October and November), Guantánamo sees average daytime highs around 30°C and overnight lows near 22°C, with 313 mm of rain over about 50 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 32°C in early September to 29°C by late November. The sky is clear or mostly clear about 30% of the time across fall, and the air most often feels oppressive.
Fall is Guantánamo's 3rd-best season to visit on our travel score. For the whole year in context, see Guantánamo's year-round climate.
- Avg daytime high
- 30°C
- 2nd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 313 mm
- 50 wet days
- Avg wind
- 7 km/h
- Travel score
- 4.2
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Guantánamo in Fall
Over the season highs ease from about 32°C in early September to 29°C by late November.
A typical fall day in Guantánamo reaches about 30°C and drops to 22°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Guantánamo
Once humidity and wind are folded in, fall brings about 69 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Guantánamo weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 19° | 16 | 4.2 | 10.9 | 7.1 |
| Feb | 29° / 19° | 16 | 3.6 | 11.3 | 6.8 |
| Mar | 29° / 20° | 34 | 6.4 | 11.9 | 6.1 |
| Apr | 30° / 21° | 58 | 9.7 | 12.4 | 5.2 |
| May | 31° / 22° | 139 | 17.2 | 12.9 | 4.0 |
| Jun | 32° / 23° | 99 | 16.7 | 13.2 | 3.4 |
| Jul | 33° / 24° | 77 | 16.7 | 13.1 | 3.2 |
| Aug | 32° / 24° | 98 | 18.4 | 12.7 | 3.1 |
| Sep | 32° / 23° | 137 | 21.6 | 12.1 | 3.1 |
| Oct | 30° / 23° | 117 | 18.7 | 11.5 | 3.9 |
| Nov | 29° / 22° | 58 | 10 | 11 | 5.5 |
| Dec | 28° / 20° | 26 | 5.2 | 10.8 | 6.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 30% of the time across fall.
Chance of precipitation in Fall
Guantánamo gets around 313 mm of rain over 50 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 10 h 54 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.0 kWh/m².
Hazard calendar for Guantánamo
In fall, Guantánamo overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Guantánamo sits in the Atlantic hurricane belt; the season peaks August–October.
Is fall a good time to visit Guantánamo?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Guantánamo for sightseeing.
What to pack for Guantánamo in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Guantánamo sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 50 days see rain.
Sea temperature near Guantánamo in Fall
The nearest coast averages about 29°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 31 km away) is warmest in September at about 30°C and coldest in February near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 30 | 30 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 27 | Warm |
| May | 28 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Guantánamo in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Guantánamo peaks around June 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 10 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 10 | 7 | 7 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 7 | Very high |
| Dec | 7 | High |
Air quality in Guantánamo in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Guantánamo is worst in June — around 23 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (December, 5 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 5 | 6 | 7 | 9 | 13 | 23 | 22 | 18 | 13 | 11 | 6 | 5 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 5 | Good |
| Feb | 6 | Good |
| Mar | 7 | Good |
| Apr | 9 | Good |
| May | 13 | Moderate |
| Jun | 23 | Moderate |
| Jul | 22 | Moderate |
| Aug | 18 | Moderate |
| Sep | 13 | Moderate |
| Oct | 11 | Good |
| Nov | 6 | Good |
| Dec | 5 | Good |
Where is Guantánamo?
Guantánamo sits at 20.1°N, 75.2°W, 56 m above sea level, in Cuba. The nearest listed city is Río Guayabal de Yateras, 32 km away.
Topography around Guantánamo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Guantánamo.
Within 3 km, the terrain around Guantánamo has only modest variations in elevation — a maximum elevation change of 63 m around an average of 52 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 734 m; within 80 km, large variations in elevation — a maximum elevation change of 1,196 m.
The land around Guantánamo is covered by artificial surfaces (37%), trees (31%) and grassland (20%) within 3 km, trees (45%) and grassland (30%) within 16 km, and trees (49%) and water (38%) within 80 km.
Cuba travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C / L
- 110 V · 60 Hz
- Prices
- ≈ 39% of US
- price level, 2011
- GDP per capita
- $9,605
- 2020
- Happiness
- 5.4 / 10
- World Happiness, 2011
- Homicide rate
- 4.5
- per 100k, 2019
- Road deaths
- 8.9
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 515
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Guantánamo (20.1444°, -75.2092°, elevation 56 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.