Hato Mayor del Rey weather in May

In May, Hato Mayor del Rey sees average daytime highs of 30°C and overnight lows near 23°C, with 120 mm of rain across 18.6 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 30°C through the month. The sky is clear or mostly clear about 14% 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 Hato Mayor del Rey's 12th-clearest and 10th-windiest month. For the whole year in context, see Hato Mayor del Rey's year-round climate.

Daytime high
30°
6th warmest
Overnight low
23°
7th coldest
Rainfall
120 mm
18.6 wet days
Daylight
12 h 54 min
6:07 AM – 7:00 PM
Cloud cover
67%
12th clearest
Wind
9 km/h
10th windiest
Solar energy
5.86 kWh/m²
Travel score
3.9
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 Hato Mayor del Rey 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 29°C and 32°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)
13022
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283123
293123
303124
313124

How May really feels in Hato Mayor del Rey

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.

Hato Mayor del Rey 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°268.6116.4
Feb29° / 21°237.711.46.2
Mar29° / 21°379.511.95.7
Apr30° / 22°6213.812.44.7
May30° / 23°12018.612.93.9
Jun31° / 24°8315.713.13.7
Jul31° / 24°8015.6133.8
Aug31° / 24°10218.912.63.5
Sep31° / 24°12420.512.13.3
Oct30° / 23°9920.811.63.6
Nov29° / 23°7315.311.14.8
Dec29° / 22°30910.96.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35644
45545
55446
65347
75248
85149
94951
104852
114654
124555
134258
144060
153961
163763
173664
183466
193268
203169
212971
222872
232872
242773
252773
262773
272773
282872
292872
302971
312971

Chance of precipitation in May

Any precipitation

Hato Mayor del Rey gets around 120 mm of rain over 18.6 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 59% and peaks near 66% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
150
251
351
451
551
652
753
853
954
1055
1156
1257
1358
1459
1560
1660
1761
1862
1963
2063
2164
2265
2365
2465
2566
2665
2765
2865
2964
3063
3162

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1228691
2228691
3128701
4127711
5127711
6126721
7125731
8124741
9123742
10122752
11120772
12119773
13017803
14016804
15014824
16013825
17011836
18010846
1909847
2007858
2106868
2205869
2305869
24048610
25048511
26038611
27038512
28038512
29038413
30028513
31028513

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 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
149calm
159calm
169calm
179calm
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 6:14 AM to 6:03 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)
112.76:146:54
212.76:136:55
312.76:136:55
412.76:126:55
512.76:126:56
612.76:116:56
712.86:116:56
812.86:106:57
912.86:106:57
1012.86:096:57
1112.86:096:58
1212.86:086:58
1312.86:086:59
1412.96:086:59
1512.96:076:59
1612.96:077:00
1712.96:067:00
1812.96:067:00
1912.96:067:01
2012.96:067:01
2112.96:057:02
2213.06:057:02
2313.06:057:02
2413.06:047:03
2513.06:047:03
2613.06:047:04
2713.06:047:04
2813.06:047:04
2913.06:047:05
3013.06:037:05
3113.06:037:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.86 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 6.15 kWh/m² in June across the year — May's 5.86 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Hato Mayor del Rey

In seasonPeak

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

Hato Mayor del Rey 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 Hato Mayor del Rey?

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

3.9
Sightseeing
7th-best month of the year
5.5
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Hato Mayor del Rey.

What to pack for Hato Mayor del Rey in May

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

In May, Hato Mayor del Rey sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Hato Mayor del Rey 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 42 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
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Hato Mayor del Rey 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 Hato Mayor del Rey 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 Hato Mayor del Rey 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 Hato Mayor del Rey 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 Hato Mayor del Rey?

Hato Mayor del Rey sits at 18.8°N, 69.3°W, 110 m above sea level, in Dominican Republic. The nearest listed city is Santa Cruz de El Seibo, 23 km away.

Santa Cruz de El SeiboQuisqueyaMichesSan Pedro de MacorisBayaguanaLa RomanaSanta Barbara De SamanaBoca Chica

Topography around Hato Mayor del Rey

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hato Mayor del Rey.

Within 3 km, the terrain around Hato Mayor del Rey has only modest variations in elevation — a maximum elevation change of 226 m around an average of 121 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 421 m; within 80 km, large variations in elevation — a maximum elevation change of 673 m.

The land around Hato Mayor del Rey is covered by grassland (50%) and trees (37%) within 3 km, grassland (53%) and trees (45%) within 16 km, and water (41%), trees (29%) and grassland (25%) within 80 km.

3 km
226 m
16 km
421 m
80 km
673 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Santa Cruz de El Seibo 23 km · Quisqueya 28 km · Miches 33 km · San Pedro de Macoris 35 km · Bayaguana 40 km · La Romana 49 km · Santa Barbara De Samana 49 km · Boca Chica 50 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 Hato Mayor del Rey (18.7658°, -69.2558°, elevation 110 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).