Guantánamo weather in January

In January, Guantánamo sees average daytime highs of 28°C and overnight lows near 19°C, with 16 mm of rain across 4.2 wet days and about 10.9 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 62% of the time in January, and the air most often feels muggy.

Daylight stretches from about 10 h 48 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is Guantánamo's 2nd-clearest and 1st-windiest month. For the whole year in context, see Guantánamo's year-round climate.

Daytime high
28°
12th warmest
Overnight low
19°
2nd coldest
Rainfall
16 mm
4.2 wet days
Daylight
10 h 54 min
6:43 AM – 5:37 PM
Cloud cover
36%
2nd clearest
Wind
9 km/h
1st windiest
Solar energy
4.48 kWh/m²
Travel score
7.1
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Guantánamo reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

How January really feels in Guantánamo

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January 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 January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 16%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38317
48317
58317
68317
78317
88317
98317
108416
118416
128416
138416
148416
158515
168515
178416
188416
198515
208515
218416
228416
238515
248515
258515
268515
278614
288614
298614
308614
318614

Chance of precipitation in January

Any precipitation

Guantánamo gets around 16 mm of rain over 4.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 13% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
114
214
314
414
513
613
713
813
913
1013
1113
1213
1313
1413
1513
1613
1713
1813
1914
2014
2114
2214
2314
2414
2514
2614
2714
2813
2913
3013
3113

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10621703
20522712
30523702
40524692
50525691
60526681
70527671
80528661
90528661
101629631
111629631
121629640
131630630
141730620
151730620
161830610
171830610
182831590
192931580
202932570
2121032560
2221033550
2311033560
2411034550
2511035540
2611036530
2711036530
2811037520
2911038510
3011038510
3111038510

Wind in January

Winds average 9 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 48 min at the start of January to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:40 AM to 6:42 AM, and sunset from 5:28 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:405:28
210.86:405:29
310.86:415:29
410.86:415:30
510.86:415:30
610.86:415:31
710.86:425:32
810.86:425:32
910.86:425:33
1010.96:425:33
1110.96:425:34
1210.96:435:35
1310.96:435:35
1410.96:435:36
1510.96:435:37
1610.96:435:37
1710.96:435:38
1810.96:435:39
1910.96:435:39
2010.96:435:40
2111.06:435:40
2211.06:435:41
2311.06:435:42
2411.06:435:42
2511.06:435:43
2611.06:435:44
2711.06:435:44
2811.06:425:45
2911.16:425:45
3011.16:425:46
3111.16:425:47

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.48 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 — January's 4.48 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for Guantánamo

In seasonPeak

None of Guantánamo's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 January a good time to visit Guantánamo?

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

7.1
Sightseeing
1st-best month of the year
8.2
Beach & pool
2nd-best month of the year

January is one of the better times to visit Guantánamo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Guantánamo in January

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

In January, Guantánamo sees daytime highs around 28°C and nights near 19°C. Pack light clothes. About 4 days see rain.

light clothes

Sea temperature near Guantánamo in January

The nearest coast averages about 27°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks 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.

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 January

GoodModeratePoorUnhealthyVery unhealthy

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