San José de Ocoa weather in May

In May, San José de Ocoa sees average daytime highs of 27°C and overnight lows near 21°C, with 122 mm of rain across 21 wet days and about 12.9 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels muggy.

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 San José de Ocoa's 12th-clearest and 9th-windiest month. For the whole year in context, see San José de Ocoa's year-round climate.

Daytime high
27°
6th warmest
Overnight low
21°
7th coldest
Rainfall
122 mm
21 wet days
Daylight
12 h 54 min
6:12 AM – 7:04 PM
Cloud cover
64%
12th clearest
Wind
5 km/h
9th windiest
Solar energy
5.69 kWh/m²
Travel score
5.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical May day in San José de Ocoa reaches about 27°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, May runs on par with April and about 1°C cooler than June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12621
22621
32621
42621
52621
62721
72721
82721
92721
102721
112721
122721
132721
142721
152721
162722
172722
182722
192722
202722
212722
222722
232722
242722
252722
262722
272722
282722
292722
302722
312722

San José de Ocoa weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 19°299.2117.4
Feb25° / 19°329.411.47.2
Mar26° / 19°5512.811.96.7
Apr26° / 20°8916.812.45.8
May27° / 21°1222112.95.0
Jun27° / 22°7016.413.15.4
Jul28° / 23°6115.8135.4
Aug28° / 23°10618.812.64.8
Sep28° / 22°1132112.14.7
Oct27° / 22°11419.811.65.1
Nov27° / 21°6514.611.16.0
Dec26° / 20°338.210.97.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 27% of May, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36337
46238
56238
66139
76139
85941
95842
105644
115545
125347
135050
144951
154753
164654
174456
184357
194060
203961
213763
223763
233763
243565
253565
263565
273664
283664
293664
303565
313565

Chance of precipitation in May

Any precipitation

San José de Ocoa gets around 122 mm of rain over 21 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 67% and peaks near 69% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
163
263
364
464
564
665
765
866
966
1067
1167
1268
1368
1468
1568
1668
1768
1868
1968
2068
2168
2268
2369
2468
2568
2668
2767
2866
2966
3065
3164

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
110837
210837
310828
410828
59838
69829
798110
888111
988012
1078013
1177914
1267915
1367717
1457718
1547620
1647521
1737522
1837324
1927325
2027226
2117227
2217128
2317029
2416930
2516930
2616831
2706832
2806832
2906733
3006634
3106535

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:19 AM to 6:09 AM, and sunset from 6:59 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:196:59
212.76:196:59
312.76:187:00
412.76:187:00
512.76:177:00
612.76:177:01
712.86:167:01
812.86:167:01
912.86:157:02
1012.86:157:02
1112.86:147:03
1212.86:147:03
1312.86:137:03
1412.86:137:04
1512.96:137:04
1612.96:127:04
1712.96:127:05
1812.96:117:05
1912.96:117:06
2012.96:117:06
2112.96:117:06
2212.96:107:07
2312.96:107:07
2413.06:107:07
2513.06:107:08
2613.06:097:08
2713.06:097:09
2813.06:097:09
2913.06:097:09
3013.06:097:10
3113.06:097:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.69 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.21 kWh/m² in July across the year — May's 5.69 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for San José de Ocoa

In seasonPeak

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

San José de Ocoa 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 San José de Ocoa?

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

5.0
Sightseeing
10th-best month of the year
5.0
Beach & pool
12th-best month of the year

May is a reasonable time to visit San José de Ocoa for sightseeing.

What to pack for San José de Ocoa in May

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

In May, San José de Ocoa sees daytime highs around 27°C and nights near 21°C. Pack rain gear. Worth having: light clothes and sun protection. About 21 days see rain.

rain gearlight clothessun protection

Sea temperature near San José de Ocoa 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 23 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 San José de Ocoa 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 San José de Ocoa peaks around March 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 22UV 12Dec 13UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar13Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in San José de Ocoa 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 José de Ocoa is worst in June — around 31 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (February, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2131 µg/m³Feb 1417 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar18Moderate
Apr18Moderate
May23Moderate
Jun31Moderate
Jul29Moderate
Aug26Moderate
Sep25Moderate
Oct26Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is San José de Ocoa?

San José de Ocoa sits at 18.5°N, 70.5°W, 481 m above sea level, in Dominican Republic. The nearest listed city is Azua, 26 km away.

AzuaBaníVilla AltagraciaSan CristóbalBonaoConstanzaBajos de HainaSanto Domingo Oeste

Topography around San José de Ocoa

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

Within 3 km, the terrain around San José de Ocoa has significant variations in elevation — a maximum elevation change of 497 m around an average of 535 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,534 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,072 m.

The land around San José de Ocoa is covered by trees (73%) within 3 km, trees (84%) within 16 km, and trees (50%) and water (27%) within 80 km.

3 km
497 m
16 km
2,534 m
80 km
3,072 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Azua 26 km · Baní 35 km · Villa Altagracia 38 km · San Cristóbal 45 km · Bonao 45 km · Constanza 47 km · Bajos de Haina 52 km · Santo Domingo Oeste 54 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 San José de Ocoa (18.5468°, -70.5069°, elevation 481 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).