Santa Cruz de Barahona weather in May

In May, Santa Cruz de Barahona sees average daytime highs of 29°C and overnight lows near 24°C, with 75 mm of rain across 10.9 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 4th-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 36% 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 hours by month's end. Set against the rest of the year, May is Santa Cruz de Barahona's 11th-clearest and 6th-windiest month. For the whole year in context, see Santa Cruz de Barahona's year-round climate.

Daytime high
29°
7th warmest
Overnight low
24°
7th coldest
Rainfall
75 mm
10.9 wet days
Daylight
12 h 54 min
6:15 AM – 7:06 PM
Cloud cover
56%
11th clearest
Wind
8 km/h
6th windiest
Solar energy
6.23 kWh/m²
Travel score
5.5
out of 10

Santa Cruz de Barahona is human settlement.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Santa Cruz de Barahona reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°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 on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282925
292925
302925
312925

How May really feels in Santa Cruz de Barahona

Once humidity and wind are folded in, May averages 14 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
14
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.

Santa Cruz de Barahona weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 22°112.2118.2
Feb28° / 22°112.611.48.1
Mar28° / 23°194.711.97.7
Apr28° / 24°305.512.46.8
May29° / 24°7510.912.85.5
Jun30° / 25°6010.413.15.2
Jul30° / 25°487.2135.5
Aug30° / 25°858.912.65.2
Sep30° / 25°8511.612.14.8
Oct30° / 25°10012.211.65.0
Nov29° / 24°466.811.16.2
Dec28° / 23°192.810.97.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37327
47327
57228
67129
76931
86832
96733
106535
116436
126139
135941
145842
155545
165446
175248
185149
194951
204753
214753
224555
234555
244456
254456
264555
274555
284555
294555
304555
314555

Chance of precipitation in May

Any precipitation

Santa Cruz de Barahona gets around 75 mm of rain over 10.9 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 34% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
126
226
326
426
527
627
727
828
928
1029
1130
1230
1331
1432
1533
1634
1735
1836
1937
2038
2139
2240
2340
2441
2542
2642
2743
2843
2943
3043
3143

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
134660
233670
332680
431690
530700
629710
727730
826740
925750
1023770
1122780
1220800
1318820
1417830
1515841
1614851
1712871
1811881
199901
208911
217921
226922
235932
245932
254942
263952
273943
283943
292953
302953
312953

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

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

Days grow by about 18 minutes over May. Sunrise moves from 6:22 AM to 6:12 AM, and sunset from 7:01 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:227:01
212.76:227:01
312.76:217:02
412.76:207:02
512.76:207:02
612.76:197:03
712.76:197:03
812.86:187:03
912.86:187:04
1012.86:177:04
1112.86:177:04
1212.86:177:05
1312.86:167:05
1412.86:167:06
1512.86:157:06
1612.96:157:06
1712.96:157:07
1812.96:147:07
1912.96:147:07
2012.96:147:08
2112.96:147:08
2212.96:137:08
2312.96:137:09
2412.96:137:09
2513.06:137:10
2613.06:127:10
2713.06:127:10
2813.06:127:11
2913.06:127:11
3013.06:127:12
3113.06:127:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.23 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 6.62 kWh/m² in July across the year — May's 6.23 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in May

Hazard calendar for Santa Cruz de Barahona

In seasonPeak

In May, Santa Cruz de Barahona sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Santa Cruz de Barahona sits in the Atlantic hurricane belt; the season peaks August–October.

Santa Cruz de Barahona's rainy season runs May–November, 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 Santa Cruz de Barahona?

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

5.5
Sightseeing
7th-best month of the year
7.0
Beach & pool
9th-best month of the year

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

What to pack for Santa Cruz de Barahona in May

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

In May, Santa Cruz de Barahona sees daytime highs around 29°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

Sea temperature near Santa Cruz de Barahona 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 26 km away) is warmest in September at about 29°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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Santa Cruz de Barahona 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 Santa Cruz de Barahona peaks around March 23 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 highHighMar 23UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Santa Cruz de Barahona 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 Santa Cruz de Barahona is worst in June — around 28 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2328 µg/m³Jan 18 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr11Good
May18Moderate
Jun28Moderate
Jul28Moderate
Aug23Moderate
Sep17Moderate
Oct17Moderate
Nov10Good
Dec8Good
Location & terrain

Where is Santa Cruz de Barahona?

Santa Cruz de Barahona sits at 18.2°N, 71.1°W, 39 m above sea level, in Dominican Republic. The nearest listed city is Neiba, 46 km away.

NeibaAzuaSan Juan de la MaguanaSan José de OcoaBaníLas Matas de FarfánGrand GosierConstanza

Topography around Santa Cruz de Barahona

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Cruz de Barahona.

Within 3 km, the terrain around Santa Cruz de Barahona has significant variations in elevation — a maximum elevation change of 354 m around an average of 71 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,607 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,675 m.

The land around Santa Cruz de Barahona is covered by trees (37%), artificial surfaces (30%) and water (22%) within 3 km, trees (43%) and water (39%) within 16 km, and trees (40%) and water (34%) within 80 km.

3 km
354 m
16 km
1,607 m
80 km
2,675 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Neiba 46 km · Azua 47 km · San Juan de la Maguana 68 km · San José de Ocoa 73 km · Baní 82 km · Las Matas de Farfán 86 km · Grand Gosier 86 km · Constanza 86 km

Dominican Republic travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
120 V · 60 Hz
Prices
≈ 39% of US
price level, 2025
GDP per capita
$11,059
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
45%
of population, 2024
Homicide rate
10.9
per 100k, 2023
Road deaths
64.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 503

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 Santa Cruz de Barahona (18.2086°, -71.1007°, elevation 39 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).