San Cristobal weather in May

In May, San Cristobal sees average daytime highs of 30°C and overnight lows near 23°C, with 108 mm of rain across 12.5 wet days and about 13.1 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 46% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 18 min by month's end. Set against the rest of the year, May is San Cristobal's 7th-clearest and 8th-windiest month. For the whole year in context, see San Cristobal's year-round climate.

Daytime high
30°
5th warmest
Overnight low
23°
7th coldest
Rainfall
108 mm
12.5 wet days
Daylight
13 h 06 min
5:56 AM – 7:01 PM
Cloud cover
48%
7th clearest
Wind
10 km/h
8th windiest
Solar energy
6.38 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 30°C through the month.

A typical May day in San Cristobal reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233024
243024
253024
263024
273024
283024
293024
303024
313024

How May really feels in San Cristobal

Once humidity and wind are folded in, May averages 29 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
29
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.

San Cristobal weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 18°284.910.87.9
Feb26° / 19°263.911.28.0
Mar28° / 19°244.211.87.5
Apr29° / 21°376.112.56.2
May30° / 23°10812.513.14.8
Jun31° / 25°1662013.43.5
Jul31° / 25°10119.613.33.4
Aug32° / 25°13320.912.83.2
Sep31° / 24°16222.212.13.4
Oct29° / 23°10715.511.54.8
Nov27° / 21°306.110.97.3
Dec26° / 19°223.910.67.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37426
47426
57426
67426
77426
87426
97426
107327
117228
127129
137030
147030
156931
166733
176634
186535
196436
206436
216337
226040
235941
245842
255743
265446
275347
285248
295050
304852
314753

Chance of precipitation in May

Any precipitation

San Cristobal gets around 108 mm of rain over 12.5 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 41% and peaks near 63% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
129
229
329
428
528
627
727
827
927
1028
1129
1231
1332
1434
1536
1639
1741
1843
1945
2048
2150
2251
2353
2455
2556
2658
2759
2860
2961
3062
3163

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
141338440
231239450
331239460
431239460
521139470
621140470
721140470
821140470
911041470
1011041480
1111040480
121940491
131939501
141838521
150738541
160737551
170635572
180534592
190533602
200431623
210429643
220327664
230325675
240323695
250221716
260220717
270118738
2801167310
2901147411
3001137412
3100117514

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 48 min at the start of May to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 6:05 AM to 5:51 AM, and sunset from 6:54 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:056:54
212.86:046:55
312.96:036:55
412.96:036:56
512.96:026:56
612.96:016:56
712.96:016:57
813.06:006:57
913.05:596:58
1013.05:596:58
1113.05:586:59
1213.05:586:59
1313.05:577:00
1413.15:577:00
1513.15:567:01
1613.15:567:01
1713.15:557:02
1813.15:557:02
1913.15:557:03
2013.15:547:03
2113.25:547:03
2213.25:537:04
2313.25:537:04
2413.25:537:05
2513.25:537:05
2613.25:527:06
2713.25:527:06
2813.25:527:07
2913.35:527:07
3013.35:517:08
3113.35:517:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.38 kWh/m².

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 6.51 kWh/m² in April across the year — May's 6.38 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.1Intense
266.0Intense
276.0Intense
286.0Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for San Cristobal

In seasonPeak

In May, San Cristobal sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

San Cristobal sits in the Atlantic hurricane belt; the season peaks August–October.

San Cristobal's rainy season runs May–October, when most of the year's rain falls.

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

Is May a good time to visit San Cristobal?

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
6.6
Beach & pool
7th-best month of the year

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

What to pack for San Cristobal in May

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

In May, San Cristobal sees daytime highs around 30°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

Sea temperature near San Cristobal 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 21 km away) is warmest in August at about 30°C and coldest in January near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr27Warm
May28Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov26Warm
Dec25Warm

UV index in San Cristobal in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Cristobal peaks around July 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJul 12UV 12Dec 17UV 6
UV index (midday)Level
Jan7High
Feb8Very high
Mar11Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct9Very high
Nov7High
Dec6High

Air quality in San Cristobal 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 San Cristobal is worst in June — around 21 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2321 µg/m³Dec 117 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar9Good
Apr11Good
May13Moderate
Jun21Moderate
Jul21Moderate
Aug19Moderate
Sep14Moderate
Oct10Good
Nov7Good
Dec7Good
Location & terrain

Where is San Cristobal?

San Cristobal sits at 22.7°N, 83.1°W, 63 m above sea level, in Cuba. The nearest listed city is Bahía Honda, 23 km away.

Topography around San Cristobal

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Cristobal.

Within 3 km, the terrain around San Cristobal has only modest variations in elevation — a maximum elevation change of 62 m around an average of 55 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 655 m; within 80 km, large variations in elevation — a maximum elevation change of 654 m.

The land around San Cristobal is covered by trees (30%) and grassland (30%) within 3 km, trees (55%) and grassland (30%) within 16 km, and water (56%) and trees (21%) within 80 km.

3 km
62 m
16 km
655 m
80 km
654 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Bahía Honda 23 km · Los Palacios 24 km · Artemisa 32 km · Mariel 43 km · Guanajay 44 km · Alquízar 49 km · Consolación del Sur 52 km · Güira de Melena 57 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 San Cristobal (22.7166°, -83.0565°, elevation 63 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).