Mao weather in May

In May, Mao sees average daytime highs of 31°C and overnight lows near 21°C, with 110 mm of rain across 15 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 31°C through the month. The sky is clear or mostly clear about 27% 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 h 06 min by month's end. Set against the rest of the year, May is Mao's 12th-clearest and 10th-windiest month. For the whole year in context, see Mao's year-round climate.

Daytime high
31°
6th warmest
Overnight low
21°
7th coldest
Rainfall
110 mm
15 wet days
Daylight
12 h 54 min
6:13 AM – 7:08 PM
Cloud cover
61%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
6.15 kWh/m²
Travel score
4.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical May day in Mao reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, May runs on par with April and about 2°C cooler than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183121
193121
203121
213121
223121
233122
243122
253122
263122
273122
283222
293222
303222
313222

How May really feels in Mao

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.

Mao 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
Jan28° / 18°325.1116.8
Feb29° / 19°28511.36.4
Mar30° / 19°457.411.95.8
Apr30° / 20°7110.312.44.9
May31° / 21°1101512.94.0
Jun33° / 22°539.213.23.7
Jul34° / 23°265.513.13.6
Aug34° / 23°477.512.73.3
Sep33° / 22°7511.912.13.3
Oct32° / 21°8412.911.53.9
Nov30° / 20°541011.15.2
Dec29° / 19°295.310.86.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26733
36733
46634
56535
66436
76238
86139
95941
105842
115743
125446
135248
145149
154951
164753
174555
184357
194159
204060
214060
223961
233763
243763
253763
263763
273763
283763
293763
303763
313763

Chance of precipitation in May

Any precipitation

Mao gets around 110 mm of rain over 15 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 48% and peaks near 52% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
141
241
342
442
542
643
743
844
945
1045
1146
1247
1347
1448
1548
1649
1749
1850
1950
2051
2151
2252
2352
2452
2552
2652
2752
2852
2951
3050
3149

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11206613
21196713
31196713
41186813
51176814
60176914
70167014
80157015
90147016
100137017
110127018
120116920
130106921
140106822
15096823
16086725
17076726
18076627
19066628
20066430
21056431
22056431
23046432
24046333
25046333
26036334
27036334
28036235
29036235
30036136
31036136

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 42 min at the start of May to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 6:20 AM to 6:09 AM, and sunset from 7:03 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:207:03
212.76:207:03
312.76:197:03
412.86:197:04
512.86:187:04
612.86:187:04
712.86:177:05
812.86:167:05
912.86:167:05
1012.86:157:06
1112.96:157:06
1212.96:157:07
1312.96:147:07
1412.96:147:07
1512.96:137:08
1612.96:137:08
1712.96:137:09
1812.96:127:09
1913.06:127:09
2013.06:127:10
2113.06:117:10
2213.06:117:11
2313.06:117:11
2413.06:107:11
2513.06:107:12
2613.06:107:12
2713.06:107:13
2813.16:107:13
2913.16:097:13
3013.16:097:14
3113.16:097:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.15 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 6.63 kWh/m² in July across the year — May's 6.15 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in May

Hazard calendar for Mao

In seasonPeak

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

Mao 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 Mao?

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

4.0
Sightseeing
7th-best month of the year
5.9
Beach & pool
11th-best month of the year

May is a reasonable time to visit Mao for sightseeing.

What to pack for Mao in May

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

In May, Mao sees daytime highs around 31°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Mao 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 37 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
Apr26Warm
May27Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Mao 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 Mao peaks around June 19 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 highHighJun 19UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in Mao 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 Mao 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 2030 µg/m³Feb 914 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr18Moderate
May22Moderate
Jun30Moderate
Jul28Moderate
Aug25Moderate
Sep23Moderate
Oct23Moderate
Nov18Moderate
Dec14Moderate
Location & terrain

Where is Mao?

Mao sits at 19.5°N, 71.1°W, 76 m above sea level, in Dominican Republic. The nearest listed city is Esperanza, 11 km away.

San Ignacio de SabanetaRío GrandeSantiago de los CaballerosPuerto PlataTamborilMonte Llano

Topography around Mao

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mao.

Within 3 km, the terrain around Mao has only modest variations in elevation — a maximum elevation change of 94 m around an average of 87 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 383 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,073 m.

The land around Mao is covered by trees (39%) and artificial surfaces (20%) within 3 km, trees (53%) within 16 km, and trees (45%), water (24%) and grassland (22%) within 80 km.

3 km
94 m
16 km
383 m
80 km
3,073 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Esperanza 11 km · Villa Bisonó 21 km · San Ignacio de Sabaneta 28 km · Río Grande 35 km · Santiago de los Caballeros 42 km · Puerto Plata 49 km · Tamboril 49 km · Monte Llano 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 Mao (19.5491°, -71.0781°, elevation 76 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).