AI-generatedGuantánamo Bay at a glance
- Best time
- Nov – Jul
- Warmest month
- Jul · 33°
- Warmest sea
- Sep · 29.8°
- Sunshine a year
- 2,860 h
- Rain a year
- 532 mm
- Climate
- Tropical
- Time zone
- UTC−5 / UTC−4
- Elevation
- 17 m
Climate in Guantánamo Bay
Guantánamo Bay has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. July is the warmest month with average highs of 33 °C, while January is the coolest at 29 °C. With around 2,860 hours of sunshine a year, Guantánamo Bay is sunny; July is the sunniest month with 9.1 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: November – July
October is the peak of the hurricane season
Keep in mindFrequent rainStorm season
A typical day in October
- Morning, 08:00: about 26°
- Midday, 13:00: about 30°
- Afternoon, 16:00: about 30°
- Evening, 20:00: about 28°
- Night, 23:00: about 26°
06:5518:38
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:41–07:24 · evening 18:08–18:51
- Blue hour
- Morning 06:32–06:41 · evening 18:51–19:00
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Guantánamo Bay in October?
In October, Guantánamo Bay is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.5 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 15 days, totalling 103 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Guantánamo Bay.
More details for October
- Daylight
- 11 h 43 min06:55 – 18:38
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 57 %on averageAll months
- Hot days
- 18 days30 °C or moreAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %62 %
- Few rainy daysweight 20 %21 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Sea temperature in Guantánamo Bay
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 29.1 – 29.9 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Guantánamo Bay ranges from 26.9 °C in February to 29.8 °C in September. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea warms up slowly: it is warmest in September, while the air already peaks in July. The sea temperature varies from year to year: in September, eight out of ten years were between 29.3 and 30.3 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 27.1° | 26.5° | 27.7° | warm |
| FebruaryFeb | 26.9° | 26.3° | 27.4° | warm |
| MarchMar | 26.9° | 26.5° | 27.5° | warm |
| AprilApr | 27.4° | 26.9° | 28.0° | warm |
| MayMay | 28.3° | 27.7° | 28.7° | warm |
| JuneJun | 28.9° | 28.5° | 29.3° | warm |
| JulyJul | 29.3° | 29.0° | 29.7° | very warm |
| AugustAug | 29.7° | 29.3° | 30.1° | very warm |
| SeptemberSep | 29.8° | 29.3° | 30.3° | very warm |
| OctoberOct | 29.5° | 29.1° | 29.9° | very warm |
| NovemberNov | 28.7° | 28.2° | 29.3° | warm |
| DecemberDec | 27.8° | 27.1° | 28.5° | warm |
Sunshine hours in Guantánamo Bay
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.7 of 11.7 hours of daylight in Guantánamo Bay, 57 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Guantánamo Bay
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 9 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in May (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 20 min
- Light brown skin
- about 25 min
- Olive skin
- about 35 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Guantánamo Bay: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Guantánamo Bay has about 15 rainy days with 103 mm of rain in total.
Wind and clouds in Guantánamo Bay
How breezy and how cloudy Guantánamo Bay is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Guantánamo Bay typically peaks at 15 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 57 % of the sky over Guantánamo Bay: variable cloud, with about 6.7 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Guantánamo Bay
How often the day gets hot in Guantánamo Bay (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Guantánamo Bay has about 18 hot days, with an average daytime high of 30 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Guantánamo Bay
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Warm 20–24°
- Hot 24° and more
- muggy month (10+ muggy days)
HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).
The coolest nights are in January (21°), the warmest in July (26°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) on about 325 days a year, mostly all year round.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 95 | 29° | 21° | 27.1° | 7.6 h | 1 | 8 |
| FebruaryFeb | 97 | 29° | 21° | 26.9° | 8.2 h | 1 | 8 |
| MarchMar | 97 | 29° | 22° | 26.9° | 8.2 h | 3 | 16 |
| AprilApr | 95 | 30° | 23° | 27.4° | 8.2 h | 6 | 27 |
| MayMay | 85 | 30° | 24° | 28.3° | 7.8 h | 12 | 76 |
| JuneJun | 86 | 32° | 25° | 28.9° | 8.3 h | 11 | 57 |
| JulyJul | 85 | 33° | 26° | 29.3° | 9.1 h | 9 | 34 |
| AugustAug | 79 | 33° | 26° | 29.7° | 8.2 h | 11 | 54 |
| SeptemberSep | 75 | 32° | 25° | 29.8° | 7.4 h | 15 | 87 |
| OctoberOct | 76 | 30° | 24° | 29.5° | 6.7 h | 15 | 103 |
| NovemberNov | 90 | 30° | 23° | 28.7° | 6.9 h | 6 | 46 |
| DecemberDec | 95 | 29° | 22° | 27.8° | 7.4 h | 2 | 19 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
19.92° N, 75.14° W · 17 m · America/New_York
Best time to visit Guantánamo Bay
The best time to visit Guantánamo Bay is from November to July. For a beach holiday with the sea above 21 °C, go from November to August. Rain is most frequent in May and from September to October; the wettest month is October with 103 mm.
Guantánamo Bay through the seasons
How the weather changes over the seasons, with averages for each.
Guantánamo Bay in the dry season
Jun – Aug, Nov – Apr
Excellent
- 29–33 °C by day
- Sea 28 °C
- 8 h of sun a day
- 49 rainy days in all
Guantánamo Bay in the rainy season
May, Sep – Oct
Good
- 30–32 °C by day
- Sea 29 °C
- 7 h of sun a day
- 43 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Guantánamo Bay for you.
Your best months: January – March
Based on the climate averages; tap a month to see its details.
Compare two months in Guantánamo Bay
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
February has the better holiday weather in Guantánamo Bay: score 97 against 76. In February, days are 1 °C cooler than in October. The sea is 3 °C cooler in February. February has 14 fewer rainy days. The sun shines an hour longer a day in February.
| Month | October | February |
|---|---|---|
| Weather score | 76 | 97better |
| Day high | 30° | 29° |
| Night low | 24° | 21° |
| Sea | 29.5° | 26.9° |
| Sunshine | 6.7 h | 8.2 hbetter |
| Rainy days | 15 | 1better |
| Rainfall | 103 mm | 8 mmbetter |
| Muggy days | 31 | 19better |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Nov – Aug
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Rainy months
May, Sep – Oct
12 or more rainy days
Guantánamo Bay month by month
The typical weather for every month at a glance.
95January29° · Sea 27° · 8 h
In January, Guantánamo Bay is hot: daytime highs average 29 °C, and even at night it stays warm at around 21 °C. The sea averages 27.1 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It hardly ever rains. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Guantánamo Bay.
Guantánamo Bay in January97February29° · Sea 27° · 8 h
In February, Guantánamo Bay is hot: daytime highs average 29 °C, and even at night it stays warm at around 21 °C. The sea averages 26.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It hardly ever rains. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is an excellent month for a holiday in Guantánamo Bay.
Guantánamo Bay in February97March29° · Sea 27° · 8 h
In March, Guantánamo Bay is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 26.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 16 mm in total. On about 10 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is an excellent month for a holiday in Guantánamo Bay.
Guantánamo Bay in March95April30° · Sea 27° · 8 h
In April, Guantánamo Bay is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 27.4 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 27 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Guantánamo Bay.
Guantánamo Bay in April85May30° · Sea 28° · 8 h
In May, Guantánamo Bay is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 28.3 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 76 mm in total. On about 20 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is an excellent month for a holiday in Guantánamo Bay.
Guantánamo Bay in May86June32° · Sea 29° · 8 h
In June, Guantánamo Bay is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 28.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 57 mm in total. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is an excellent month for a holiday in Guantánamo Bay.
Guantánamo Bay in June85July33° · Sea 29° · 9 h
In July, Guantánamo Bay is hot: daytime highs average 33 °C, and even at night it stays warm at around 26 °C. The sea averages 29.3 °C – almost as warm as a bath. With around 9 hours of sunshine a day, there is plenty of sun. Rain falls on about 9 days, adding up to 34 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Guantánamo Bay.
Guantánamo Bay in July79August33° · Sea 30° · 8 h
In August, Guantánamo Bay is hot: daytime highs average 33 °C, and even at night it stays warm at around 26 °C. The sea averages 29.7 °C – almost as warm as a bath. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 54 mm in total. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Guantánamo Bay.
Guantánamo Bay in August75September32° · Sea 30° · 7 h
In September, Guantánamo Bay is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 29.8 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 15 days, totalling 87 mm. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Guantánamo Bay.
Guantánamo Bay in September76October30° · Sea 30° · 7 h
In October, Guantánamo Bay is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.5 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 15 days, totalling 103 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Guantánamo Bay.
Guantánamo Bay in October90November30° · Sea 29° · 7 h
In November, Guantánamo Bay is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 28.7 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 46 mm. On about 13 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is an excellent month for a holiday in Guantánamo Bay.
Guantánamo Bay in November95December29° · Sea 28° · 7 h
In December, Guantánamo Bay is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 27.8 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain is rare: about 2 days bring 19 mm in total. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is an excellent month for a holiday in Guantánamo Bay.
Guantánamo Bay in DecemberGuantánamo Bay compared
Put Guantánamo Bay side by side with another destination.
No destination found
Guantánamo Bay vs. Santiago de Cuba
In October the holiday weather in Guantánamo Bay and Santiago de Cuba is about equally good (score 76 vs. 73). During the day it is about as warm in Santiago de Cuba as in Guantánamo Bay. The sea is about equally warm.
| in October | Guantánamo Bay | Santiago de Cuba |
|---|---|---|
| Holiday score | 76 | 73 |
| Daytime high | 30° | 30° |
| Sea | 30° | 30° |
| Sunshine | 7 h | 7 h |
| Rainy days | 15 | 18 |
| Best time | Nov – Jul | Nov – Mar |
Through the year
Cuba in October: the best places
In October, Guantánamo Bay ranks 1 of 5 destinations in this country.
- Guantánamo BayThis page30°30°76
- 2Varadero28°29°74
- 3Havana29°29°58
- 4Trinidad30°30°47
- 5Santiago de Cuba30°30°43
Planning a trip to Guantánamo Bay
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Guantánamo Bay in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Guantánamo Bay has its best school-holiday weather during the Easter holidays (score 96) and its weakest during October half-term (score 76).
- 96
Easter holidays
Mar – Apr
ExcellentBest holidays
- 30 °C by day
- Sea 27 °C
- 8.2 h of sun a day
- 5 rainy days a month
Good for: Beach & swimming
- 85
May half-term
May – Jun
Excellent
- 31 °C by day
- Sea 28 °C
- 7.9 h of sun a day
- 12 rainy days a month
Good for: Beach & swimming
Keep in mind: Frequent rain
- 81
Summer holidays
Jul – Aug
Excellent
- 33 °C by day
- Sea 30 °C
- 8.5 h of sun a day
- 10 rainy days a month
Good for: Beach & swimming
Keep in mind: Storm season
- 76
October half-term
Oct
Good
- 30 °C by day
- Sea 30 °C
- 6.7 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain, Storm season
- 95
Christmas holidays
Dec – Jan
Excellent
- 29 °C by day
- Sea 27 °C
- 7.5 h of sun a day
- 2 rainy days a month
Good for: Beach & swimming
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 9 h 15 min
- Distance
- 7,240 km
- Time zone
- UTC−4
- Jet lag
- About 3 days (5 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Guantánamo Bay lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Guantánamo Bay
When is the best time to visit Guantánamo Bay?
The best time to visit Guantánamo Bay is from November to July. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Guantánamo Bay?
The sea temperature in Guantánamo Bay ranges from 26.9 °C in February to 29.8 °C in September. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Guantánamo Bay in October?
Yes. In October the sea averages 29.5 °C – almost as warm as a bath.
What is the warmest month in Guantánamo Bay?
July is the warmest month, with average highs of 33 °C and nights around 26 °C. January is the coolest month at 29 °C.
When does it rain most in Guantánamo Bay?
Rain is most frequent in May and from September to October; the wettest month is October with 103 mm. The driest month is February with 8 mm.
How many hours of sunshine does Guantánamo Bay get?
Guantánamo Bay gets around 2,860 hours of sunshine a year. The sunniest month is July with 9.1 hours a day; in October there are 6.7 hours a day.
What time zone is Guantánamo Bay in?
Guantánamo Bay uses the time zone America/New_York: UTC−5 in January and UTC−4 in July.
How long is the flight from London to Guantánamo Bay?
A nonstop flight from London to Guantánamo Bay takes about 9 h 15 min, for a straight-line distance of about 7,240 km.
When is hurricane season in Guantánamo Bay?
Guantánamo Bay lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Guantánamo Bay?
Guantánamo Bay has its best school-holiday weather during the Easter holidays (score 96) and its weakest during October half-term (score 76). Holiday ratings (0–100): Easter holidays 96, May half-term 85, Summer holidays 81, October half-term 76, Christmas holidays 95.
Near Guantánamo Bay
Other destinations close by.
Places with a climate like Guantánamo Bay
Destinations whose weather through the year is closest to Guantánamo Bay's – good alternatives.