Guantánamo weather in August

In August, Guantánamo sees average daytime highs of 32°C and overnight lows near 24°C, with 98 mm of rain across 18.4 wet days and about 12.7 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 30% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Guantánamo's 8th-clearest and 8th-windiest month. For the whole year in context, see Guantánamo's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
24°
12th coldest
Rainfall
98 mm
18.4 wet days
Daylight
12 h 42 min
5:44 AM – 6:26 PM
Cloud cover
59%
8th clearest
Wind
7 km/h
8th windiest
Solar energy
6.41 kWh/m²
Travel score
3.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical August day in Guantánamo reaches about 32°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303223
313223

How August really feels in Guantánamo

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Guantánamo weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°164.210.97.1
Feb29° / 19°163.611.36.8
Mar29° / 20°346.411.96.1
Apr30° / 21°589.712.45.2
May31° / 22°13917.212.94.0
Jun32° / 23°9916.713.23.4
Jul33° / 24°7716.713.13.2
Aug32° / 24°9818.412.73.1
Sep32° / 23°13721.612.13.1
Oct30° / 23°11718.711.53.9
Nov29° / 22°5810115.5
Dec28° / 20°265.210.86.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45842
55743
65743
75743
85644
95644
105644
115644
125545
135446
145347
155248
165149
175050
185050
194852
204753
214654
224654
234555
244555
254555
264456
274555
284555
294555
304555
314654

Chance of precipitation in August

Any precipitation

Guantánamo gets around 98 mm of rain over 18.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 60% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
156
256
356
456
556
655
754
854
954
1053
1154
1254
1355
1455
1556
1657
1758
1859
1960
2061
2163
2264
2365
2466
2566
2666
2767
2867
2967
3067
3168

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
111881
211881
310891
410891
510891
610891
79901
89901
99901
109910
119910
128920
138920
148920
157930
167921
177921
186931
196931
206931
215941
225941
234951
244951
254951
263961
273961
283961
293952
303952
313952

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:39 AM to 5:48 AM, and sunset from 6:35 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:396:35
212.95:396:34
312.95:406:34
412.95:406:33
512.95:416:33
612.95:416:32
712.85:416:32
812.85:426:31
912.85:426:30
1012.85:426:30
1112.85:436:29
1212.85:436:28
1312.75:436:28
1412.75:446:27
1512.75:446:26
1612.75:446:26
1712.75:446:25
1812.75:456:24
1912.65:456:23
2012.65:456:23
2112.65:466:22
2212.65:466:21
2312.65:466:20
2412.65:466:20
2512.55:476:19
2612.55:476:18
2712.55:476:17
2812.55:476:16
2912.55:486:15
3012.45:486:14
3112.45:486:14

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.41 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 6.77 kWh/m² in July across the year — August's 6.41 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.4Intense
176.4Intense
186.4Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in August

Hazard calendar for Guantánamo

In seasonPeak

In August, Guantánamo sits inside 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.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Guantánamo?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.1
Sightseeing
11th-best month of the year
5.2
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Guantánamo.

What to pack for Guantánamo in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Guantánamo sees daytime highs around 32°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Guantánamo in August

The nearest coast averages about 30°C in August — 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.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Guantánamo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJun 16UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in Guantánamo in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2223 µg/m³Dec 195 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar7Good
Apr9Good
May13Moderate
Jun23Moderate
Jul22Moderate
Aug18Moderate
Sep13Moderate
Oct11Good
Nov6Good
Dec5Good
Location & terrain

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.

MoaSantiago de CubaSan LuisBaracoaPalma SorianoCueto

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.

3 km
63 m
16 km
734 m
80 km
1,196 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
August weather nearby: Río Guayabal de Yateras 32 km · Sagua de Tánamo 49 km · Moa 63 km · Santiago de Cuba 65 km · San Luis 67 km · Baracoa 78 km · Palma Soriano 82 km · Cueto 94 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
Christian 59%none 23%folk religion 18%

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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).