San Juan de la Maguana weather in May

In May, San Juan de la Maguana sees average daytime highs of 26°C and overnight lows near 19°C, with 122 mm of rain across 19.7 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 15% 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 Juan de la Maguana's 12th-clearest and 7th-windiest month. For the whole year in context, see San Juan de la Maguana's year-round climate.

Daytime high
26°
7th warmest
Overnight low
19°
8th coldest
Rainfall
122 mm
19.7 wet days
Daylight
12 h 54 min
6:15 AM – 7:08 PM
Cloud cover
66%
12th clearest
Wind
4 km/h
7th windiest
Solar energy
5.94 kWh/m²
Travel score
5.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical May day in San Juan de la Maguana reaches about 26°C in the afternoon and slips back to 19°C overnight — a 8°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 on par with June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12619
22619
32619
42619
52619
62619
72619
82619
92619
102619
112619
122619
132619
142619
152619
162619
172619
182619
192619
202619
212619
222619
232619
242619
252619
262619
272619
282619
292619
302619
312719

San Juan de la Maguana weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 16°143.8118.1
Feb26° / 16°266.211.47.6
Mar26° / 17°7112.511.96.5
Apr26° / 18°10116.712.45.7
May26° / 19°12219.712.95.2
Jun27° / 19°7416.713.15.4
Jul28° / 19°6215.9135.5
Aug28° / 19°10318.512.64.9
Sep28° / 19°11120.212.14.8
Oct27° / 19°10418.311.65.3
Nov26° / 18°5911.411.16.5
Dec26° / 16°184.210.97.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 28% of May, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35842
45842
55743
65644
75545
85545
95347
105248
115050
124852
134753
144456
154357
164159
173961
183763
193565
203466
213466
223268
233268
243169
253169
263169
273268
283268
293268
303268
313367

Chance of precipitation in May

Any precipitation

San Juan de la Maguana gets around 122 mm of rain over 19.7 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 63% and peaks near 64% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
160
260
361
461
562
662
763
864
964
1064
1164
1264
1364
1464
1564
1663
1763
1863
1962
2062
2162
2262
2363
2463
2563
2663
2763
2862
2962
3062
3162

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1348490
2247510
3247510
4246520
5245530
6243550
7242560
8240580
9239590
10237610
11235630
12234631
13233641
14232651
15230671
16229681
17229681
18228691
19227701
20226711
21225712
22125722
23124732
24124732
25124732
26123751
27123751
28123751
29022771
30021781
31021781

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
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 6:22 AM to 6:11 AM, and sunset from 7:02 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:227:02
212.76:217:03
312.76:217:03
412.76:207:03
512.76:207:04
612.76:197:04
712.86:197:04
812.86:187:05
912.86:187:05
1012.86:177:05
1112.86:177:06
1212.86:167:06
1312.86:167:07
1412.96:157:07
1512.96:157:07
1612.96:157:08
1712.96:147:08
1812.96:147:08
1912.96:147:09
2012.96:137:09
2112.96:137:10
2213.06:137:10
2313.06:137:10
2413.06:127:11
2513.06:127:11
2613.06:127:12
2713.06:127:12
2813.06:127:12
2913.06:117:13
3013.06:117:13
3113.06:117:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.94 kWh/m².

For context, solar energy here swings from a low near 4.49 kWh/m² to a high of 6.52 kWh/m² in July across the year — May's 5.94 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.1Intense
36.1Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Bright
146.0Bright
156.0Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
306.0Bright
316.0Bright
Planning a trip in May

Is May a good time to visit San Juan de la Maguana?

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

5.2
Sightseeing
10th-best month of the year
5.1
Beach & pool
12th-best month of the year

May is a reasonable time to visit San Juan de la Maguana for sightseeing.

What to pack for San Juan de la Maguana in May

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

In May, San Juan de la Maguana sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

Sea temperature near San Juan de la Maguana 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 61 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
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in San Juan de la Maguana 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 Juan de la Maguana peaks around March 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 24UV 13Dec 15UV 7
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in San Juan de la Maguana 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 Juan de la Maguana is worst in June — around 30 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (February, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2230 µg/m³Feb 1014 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May21Moderate
Jun30Moderate
Jul29Moderate
Aug25Moderate
Sep22Moderate
Oct23Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is San Juan de la Maguana?

San Juan de la Maguana sits at 18.8°N, 71.2°W, 406 m above sea level, in Dominican Republic. The nearest listed city is Las Matas de Farfán, 31 km away.

Las Matas de FarfánNeibaConstanzaAzuaSanta Cruz de BarahonaJarabacoaSan Ignacio de SabanetaSan José de Ocoa

Topography around San Juan de la Maguana

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

Within 3 km, the terrain around San Juan de la Maguana has only modest variations in elevation — a maximum elevation change of 55 m around an average of 410 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,406 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,109 m.

The land around San Juan de la Maguana is covered by cropland (49%) and artificial surfaces (24%) within 3 km, trees (51%), grassland (24%) and cropland (22%) within 16 km, and trees (54%) and grassland (29%) within 80 km.

3 km
55 m
16 km
1,406 m
80 km
3,109 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Las Matas de Farfán 31 km · Neiba 41 km · Constanza 52 km · Azua 65 km · Santa Cruz de Barahona 68 km · Jarabacoa 71 km · San Ignacio de Sabaneta 76 km · San José de Ocoa 81 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 Juan de la Maguana (18.8064°, -71.2263°, elevation 406 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. 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).