Santiago de Cuba weather in May

In May, Santiago de Cuba sees average daytime highs of 29°C and overnight lows near 23°C, with 114 mm of rain across 15.6 wet days and about 12.9 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 32% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of May to 13 h 06 min by month's end. Set against the rest of the year, May is Santiago de Cuba's 8th-clearest and 8th-windiest month. For the whole year in context, see Santiago de Cuba's year-round climate.

Daytime high
29°
6th warmest
Overnight low
23°
7th coldest
Rainfall
114 mm
15.6 wet days
Daylight
12 h 54 min
5:31 AM – 6:28 PM
Cloud cover
57%
8th clearest
Wind
8 km/h
8th windiest
Solar energy
6.24 kWh/m²
Travel score
4.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Santiago de Cuba reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, May runs on par with April and about 1°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282924
292924
302924
312924

How May really feels in Santiago de Cuba

Once humidity and wind are folded in, May averages 12 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
12
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Santiago de Cuba weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°122.610.98.0
Feb28° / 20°122.711.37.9
Mar28° / 21°285.511.97.1
Apr29° / 22°468.112.46.1
May29° / 23°11415.612.94.8
Jun30° / 24°8013.313.24.4
Jul31° / 24°5612.613.14.3
Aug31° / 25°8214.912.74.0
Sep30° / 24°1152012.13.7
Oct29° / 24°11117.311.54.4
Nov29° / 23°597.811.16.0
Dec28° / 21°223.410.87.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27426
37426
47327
57228
67129
77030
86931
96733
106535
116337
126139
135941
145644
155446
165248
175149
185050
194852
204654
214555
224456
234456
244357
254357
264258
274258
284159
294060
303961
313961

Chance of precipitation in May

Any precipitation

Santiago de Cuba gets around 114 mm of rain over 15.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 49% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
139
239
340
440
541
641
742
843
944
1044
1145
1246
1347
1448
1550
1651
1752
1853
1954
2055
2156
2257
2357
2457
2557
2657
2756
2856
2955
3055
3154

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11647460
21646460
31646470
41546480
51545480
61545490
71544500
81543510
90542530
100540550
110539560
120437590
130435610
140433630
150331660
160329680
170327700
180324730
190222760
200220780
210218800
220216820
230115831
240113851
250112861
260110881
27019891
28008911
29007921
30006931
31005941

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 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
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 42 min at the start of May to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 5:39 AM to 5:27 AM, and sunset from 6:22 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:396:22
212.75:386:22
312.85:386:23
412.85:376:23
512.85:366:24
612.85:366:24
712.85:356:24
812.85:356:25
912.85:346:25
1012.95:346:26
1112.95:336:26
1212.95:336:26
1312.95:326:27
1412.95:326:27
1512.95:326:28
1612.95:316:28
1713.05:316:28
1813.05:306:29
1913.05:306:29
2013.05:306:30
2113.05:296:30
2213.05:296:30
2313.05:296:31
2413.05:296:31
2513.15:286:32
2613.15:286:32
2713.15:286:32
2813.15:286:33
2913.15:286:33
3013.15:276:34
3113.15:276:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.24 kWh/m².

For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 6.69 kWh/m² in July across the year — May's 6.24 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.2Intense
166.2Intense
176.2Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for Santiago de Cuba

In seasonPeak

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

Santiago de Cuba 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 May a good time to visit Santiago de Cuba?

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

4.8
Sightseeing
7th-best month of the year
6.3
Beach & pool
8th-best month of the year

May is a reasonable time to visit Santiago de Cuba for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santiago de Cuba in May

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

In May, Santiago de Cuba sees daytime highs around 29°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Santiago de Cuba in May

The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 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
Apr28Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec28Warm

UV index in Santiago de Cuba in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Santiago de Cuba peaks around June 14 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 14UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in Santiago de Cuba in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Santiago de Cuba is worst in June — around 25 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2124 µg/m³Dec 167 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr12Good
May15Moderate
Jun25Moderate
Jul23Moderate
Aug19Moderate
Sep15Moderate
Oct12Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Santiago de Cuba?

Santiago de Cuba sits at 20.0°N, 75.8°W, 33 m above sea level, in Cuba. The nearest listed city is San Luis, 19 km away.

GuantánamoCuetoSan GermánJiguaníGuisa

Topography around Santiago de Cuba

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santiago de Cuba.

Within 3 km, the terrain around Santiago de Cuba has only modest variations in elevation — a maximum elevation change of 125 m around an average of 29 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 993 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,730 m.

The land around Santiago de Cuba is covered by artificial surfaces (56%) and trees (31%) within 3 km, trees (59%) and water (26%) within 16 km, and trees (47%) and water (32%) within 80 km.

3 km
125 m
16 km
993 m
80 km
1,730 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: San Luis 19 km · Palma Soriano 28 km · Contramaestre 54 km · Guantánamo 65 km · Cueto 70 km · San Germán 72 km · Jiguaní 74 km · Guisa 79 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 Santiago de Cuba (20.0229°, -75.8217°, elevation 33 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).