Guantánamo weather and climate in 2025
Day
33 °C
Night
24 °C
Sea
29 °C
Precipitation
92 mm
in month
Rainy days
10 days
in month
Daylight
13 hours
average
Sunshine
7 hours
average
Humidity
76 %
Day
33 °C
Night
24 °C
Sea
29 °C
Precipitation
92 mm
in month
Rainy days
10 days
in month
Daylight
13 hours
average
Sunshine
7 hours
average
Humidity
76 %
Overview: Guantánamo
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Weather overview for Guantánamo
Weather overview
Guantánamo in Cuba is characterized by a distinct tropical climate with hot temperatures, especially prominent from June to September. Throughout the year, the temperatures range from a pleasant 29 °C (84 °F) in January to a peak of 33 °C (92 °F) in August, paired with high humidity levels that escalate the feeling of heat. Rainfall varies, peaking in the wettest months of October and tapering off during the dry season at the start and end of the year. The region benefits from generous sunshine hours, even during the wet season, ensuring a bright and vibrant atmosphere. The balmy sea temperatures that grace the coast make it a haven for those seeking warm waters year-round.
January weather
As the new year begins, January in Guantánamo offers comfortable high temperatures of 29 °C (84 °F) with night times cooling down to 20 °C (68 °F). Light rainfall can occur, averaging at 30 mm (1.19 in) across 5 days, while the average wind speed is 4 m/s. Sea temperatures remain inviting at 27 °C (80 °F).
February weather
February sees a slight increase in daytime temperatures to an average high of 30 °C (85 °F), while nights remain mild at 21 °C (69 °F). Moderate winds blow at an average speed of 4 m/s. The sea temperature dips a tad to 26 °C (79 °F) with minimal rainfall happening over 4 days.
March weather
March in Guantánamo ushers in warmer days with temperatures rising to 31 °C (87 °F) and nights at about 21 °C (70 °F). Relative humidity begins to decrease, setting the stage for more comfortable days, despite the rise in temperature. Rain is still sparse, with an expected 47 mm (1.87 in) over 5 days.
April weather
April sees the temperature rising further to 31 °C (88 °F) during the day while the seas warm to 27 °C (80 °F). The likelihood of rain increases slightly with rainfall expected to total 78 mm (3.08 in) over 7 days. Winds start to calm to an average of 4 m/s.
May weather
May brings a transition with temperatures reaching a high of 32 °C (89 °F), while nights remain comfortable at 23 °C (73 °F). Expect a noticeable increase in rainfall to 138 mm (5.43 in) spread over 10 days, marking the start of the wet season. Sea temperatures inch higher to 28 °C (82 °F).
June weather
June's heat intensifies as temperatures soar to an average high of 32 °C (90 °F), and the humidity creeps upward, emphasizing the tropical climate. Sea temperatures climb to 28 °C (83 °F), and while rain continues with an average of 95 mm (3.76 in), the sunshine hours are still plentiful.
July weather
July's sizzling days are marked with temperatures averaging 33 °C (92 °F), and the sea temperature reaches its warm embrace at 29 °C (84 °F). Rainfall slips back to 69 mm (2.73 in) over 9 days, but the sun shines abundantly, helping to balance the wet and dry aspects.
August weather
August, often the hottest month, finds Guantánamo basking in an average high of 33 °C (92 °F). Nights offer little cooling at 24 °C (76 °F). With 92 mm (3.62 in) of rain distributed over 10 days, the frequency of rain is notable, though short in duration. Calm seas at 29 °C (84 °F) encourage beach-going.
September weather
In September, the heat slightly retreats with temperatures dipping to 33 °C (91 °F) but remains intense. Ample rainfall of 129 mm (5.09 in) spans over 12 days, signaling the persistence of the wet season. A gentle wind averaging 3 m/s offers a subtle cool down.
October weather
October's weather is marked by gradual cooling, with high temperatures averaging 32 °C (89 °F) and a significantly higher number of rainy days at 13 days. An average rainfall of 161 mm (6.35 in) makes it the wettest month. The wind remains consistent at 3 m/s.
November weather
As November arrives, so does a further cooling trend with daytime temperatures hovering around 30 °C (87 °F) and night temperatures at 22 °C (72 °F). Rainfall frequencies drop to 80 mm (3.14 in) over 7 days as the wet season starts to retreat.
December weather
December marks the return of drier conditions, with high temperatures averaging 29 °C (85 °F) and nights more refreshing at 21 °C (69 °F). The average wind speed maintains at 4 m/s, crisp sea temperatures at 27 °C (81 °F), and a reduced rainfall of 30 mm (1.19 in) over 5 days.
FAQs
What's the chance of getting wet in Guantánamo during January?
January sees a modest number of rainy days, typically around 5 days, so there's a good chance you'll stay dry most of the time, with only light precipitation expected.
Is February generally sunny in Guantánamo?
February in Guantánamo maintains ample sunshine, averaging 7 hours a day, which contributes to the overall pleasant weather.
How warm does it get during the day in March in Guantánamo?
The warmth is palpable in March with daytime temperatures reaching a balmy 31 °C (87 °F), making outdoor activities and beach visits particularly enjoyable.
What temperature can I expect in Guantánamo during the day in April?
The temperature in April climbs higher, reaching around 31 °C (88 °F) in the daytime, making it quite warm and possibly calling for a need to stay cool with frequent hydration and sunscreen.
Are the evenings cool in May in Guantánamo?
Evenings in May offer some respite from the day's heat, with temperatures averaging 23 °C (73 °F) providing a cooler and pleasant atmosphere for nighttime activities and relaxing sleep.
How hot does June get in Guantánamo?
June in Guantánamo gets significantly hot as temperatures peak at an average of 32 °C (90 °F), suggesting activities near water or in shaded areas to stay cool.
What kind of temperatures are typical in Guantánamo during July?
Typical July temperatures in Guantánamo are consistently high, averaging 33 °C (92 °F), which makes activities like swimming and staying hydrated very important.
Is August the hottest month in Guantánamo?
Yes, August stands as the hottest month in Guantánamo with a sweltering average daytime temperature of 33 °C (92 °F), and the humid conditions further amplify the heat.
Does the temperature begin to cool down in September in Guantánamo?
A slight cooldown begins in September, though daytime high temperatures of 33 °C (91 °F) still make it feel quite warm and summer-like.
What is the temperature range in October in Guantánamo?
The October temperature range starts to see a dip with daytime highs around 32 °C (89 °F), providing a bit of relief from the intense summer heat.
What are the typical daytime temperatures in Guantánamo during November?
November sees milder weather, with typical daytime temperatures moderately high at an average of 30 °C (87 °F), suitable for all kinds of outdoor fun.
Are the nights cooler in December in Guantánamo?
Indeed, nights in December become cooler, averaging around 21 °C (69 °F), making it comfortable for sleeping and enjoying the evening ambiance.
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