Santa Cruz de El Seibo weather in May

In May, Santa Cruz de El Seibo sees average daytime highs of 30°C and overnight lows near 23°C, with 146 mm of rain across 18.7 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 30°C through the month. The sky is clear or mostly clear about 16% 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 El Seibo's 12th-clearest and 10th-windiest month. For the whole year in context, see Santa Cruz de El Seibo's year-round climate.

Daytime high
30°
6th warmest
Overnight low
23°
7th coldest
Rainfall
146 mm
18.7 wet days
Daylight
12 h 54 min
6:06 AM – 6:59 PM
Cloud cover
67%
12th clearest
Wind
9 km/h
10th windiest
Solar energy
6.02 kWh/m²
Travel score
4.1
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 Santa Cruz de El Seibo 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 31°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243024
253024
263024
273024
283024
293024
303024
313024

How May really feels in Santa Cruz de El Seibo

Once humidity and wind are folded in, May 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Santa Cruz de El Seibo 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°3611.1116.5
Feb28° / 21°319.411.46.5
Mar28° / 21°4610.511.95.9
Apr29° / 22°7714.412.44.9
May30° / 23°14618.712.94.1
Jun31° / 24°9815.713.13.9
Jul31° / 24°10117.7133.9
Aug31° / 24°12220.412.63.5
Sep31° / 24°14822.112.13.3
Oct30° / 24°13522.911.63.5
Nov29° / 23°10018.311.14.5
Dec28° / 22°4512.910.96.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25842
35842
45743
55545
65446
75347
85248
95050
104852
114753
124555
134357
144258
154060
163862
173763
183565
193466
203466
213268
223169
233070
243070
253169
263070
273070
283070
293169
303169
313268

Chance of precipitation in May

Any precipitation

Santa Cruz de El Seibo gets around 146 mm of rain over 18.7 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 59% and peaks near 63% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
152
252
353
453
554
655
755
856
957
1058
1159
1259
1360
1461
1561
1662
1762
1862
1963
2063
2163
2263
2363
2463
2563
2662
2762
2861
2961
3060
3159

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
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1119791
2118801
3118801
4117811
5116821
6116812
7115822
8114832
9114823
10113833
11112834
12011845
13010855
1409856
1508857
1607867
1706868
1805869
19058510
20048511
21038611
22038512
23038413
24028414
25028315
26028216
27018217
28018118
29018019
30018019
31017920

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
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 6:13 AM to 6:02 AM, and sunset from 6:54 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:136:54
212.76:136:54
312.76:126:54
412.76:116:55
512.76:116:55
612.76:106:55
712.86:106:56
812.86:096:56
912.86:096:56
1012.86:086:57
1112.86:086:57
1212.86:086:57
1312.86:076:58
1412.96:076:58
1512.96:066:58
1612.96:066:59
1712.96:066:59
1812.96:057:00
1912.96:057:00
2012.96:057:00
2112.96:047:01
2213.06:047:01
2313.06:047:02
2413.06:047:02
2513.06:037:02
2613.06:037:03
2713.06:037:03
2813.06:037:03
2913.06:037:04
3013.06:037:04
3113.06:027:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.02 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.32 kWh/m² in June across the year — May's 6.02 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.1Intense
Planning a trip in May

Hazard calendar for Santa Cruz de El Seibo

In seasonPeak

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

Santa Cruz de El Seibo 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 Santa Cruz de El Seibo?

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

4.1
Sightseeing
7th-best month of the year
5.5
Beach & pool
9th-best month of the year

May is a reasonable time to visit Santa Cruz de El Seibo for sightseeing.

What to pack for Santa Cruz de El Seibo in May

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

In May, Santa Cruz de El Seibo sees daytime highs around 30°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Santa Cruz de El Seibo in May

The nearest coast averages about 27°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 41 km away) is warmest in September at about 29°C and coldest in February near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Santa Cruz de El Seibo 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 El Seibo peaks around August 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 highAug 16UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Santa Cruz de El Seibo 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 El Seibo is worst in June — around 27 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2327 µg/m³Dec 218 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar11Good
Apr11Good
May18Moderate
Jun27Moderate
Jul27Moderate
Aug23Moderate
Sep18Moderate
Oct18Moderate
Nov11Good
Dec8Good
Location & terrain

Where is Santa Cruz de El Seibo?

Santa Cruz de El Seibo sits at 18.8°N, 69.0°W, 91 m above sea level, in Dominican Republic. The nearest listed city is Hato Mayor del Rey, 23 km away.

Hato Mayor del ReyMichesSalvaleón de HigüeyLa RomanaSan Pedro de MacorisQuisqueyaSanta Barbara De SamanaBayaguana

Topography around Santa Cruz de El Seibo

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

Within 3 km, the terrain around Santa Cruz de El Seibo has only modest variations in elevation — a maximum elevation change of 154 m around an average of 104 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 633 m; within 80 km, large variations in elevation — a maximum elevation change of 673 m.

The land around Santa Cruz de El Seibo is covered by grassland (76%) within 3 km, grassland (62%) and trees (35%) within 16 km, and water (46%), trees (27%) and grassland (23%) within 80 km.

3 km
154 m
16 km
633 m
80 km
673 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Hato Mayor del Rey 23 km · Miches 24 km · Salvaleón de Higüey 39 km · La Romana 39 km · San Pedro de Macoris 45 km · Quisqueya 45 km · Santa Barbara De Samana 58 km · Bayaguana 63 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 El Seibo (18.7648°, -69.0399°, elevation 91 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).