Guantánamo in Winter
In winter (December, January and February), Guantánamo sees average daytime highs around 28°C and overnight lows near 20°C, with 58 mm of rain over about 13 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 62% of the time across winter, and the air most often feels muggy.
Winter is Guantánamo's best season of the year to visit on our travel score. For the whole year in context, see Guantánamo's year-round climate.
- Avg daytime high
- 28°C
- coldest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 58 mm
- 13 wet days
- Avg wind
- 9 km/h
- Travel score
- 6.9
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Guantánamo in Winter
Across winter, daytime highs hold fairly steady around 28°C.
A typical winter day in Guantánamo reaches about 28°C and drops to 20°C overnight. The warmest of the three months is February, the coolest February.
How winter really feels in Guantánamo
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Guantánamo weather by month
How the three winter months (December, January and February) 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 Winter
The sky is clear or mostly clear about 62% of the time across winter.
Chance of precipitation in Winter
Guantánamo gets around 58 mm of rain over 13 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 9 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 54 min in early December to 11 h 30 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.6 kWh/m².
Hazard calendar for Guantánamo
None of Guantánamo's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Guantánamo sits in the Atlantic hurricane belt; the season peaks August–October.
Is winter a good time to visit Guantánamo?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Guantánamo for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Guantánamo in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Guantánamo sees daytime highs around 28°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 13 days see rain.
Sea temperature near Guantánamo in Winter
The nearest coast averages about 27°C across winter — 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 Winter
Clear-sky midday UV across winter averages around 8 — enough to warrant sun protection. 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 Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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.