Constanza weather in May

In May, Constanza sees average daytime highs of 23°C and overnight lows near 16°C, with 282 mm of rain across 24.9 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 23°C through the month. The sky is clear or mostly clear about 7% of the time in May, and the air most often feels humid.

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 Constanza's 12th-clearest and 10th-windiest month. For the whole year in context, see Constanza's year-round climate.

Daytime high
23°
6th warmest
Overnight low
16°
7th coldest
Rainfall
282 mm
24.9 wet days
Daylight
12 h 54 min
6:13 AM – 7:06 PM
Cloud cover
75%
12th clearest
Wind
5 km/h
10th windiest
Solar energy
5.62 kWh/m²
Travel score
4.5
out of 10

Constanza is settlement in the Dominican Republic.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical May day in Constanza reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12316
22316
32316
42316
52316
62316
72316
82316
92316
102316
112316
122316
132316
142316
152316
162316
172316
182316
192316
202316
212316
222317
232317
242317
252317
262317
272317
282317
292417
302417
312417

Constanza 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
Jan21° / 13°5512.5116.3
Feb21° / 13°5511.111.46.4
Mar22° / 14°1101511.96.0
Apr23° / 15°17219.812.45.2
May23° / 16°28224.912.94.5
Jun24° / 17°17622.413.14.8
Jul24° / 17°11622.3135.1
Aug24° / 17°15923.412.64.8
Sep24° / 17°19923.912.14.7
Oct24° / 16°15921.711.65.0
Nov22° / 15°10216.811.15.6
Dec21° / 14°5511.610.96.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43367
53268
63169
73070
82971
92971
102773
112674
122674
132575
142377
152377
162278
172179
182179
192080
202080
211981
221981
231783
241783
251783
261882
271882
281882
291981
301981
311981

Chance of precipitation in May

Any precipitation

Constanza gets around 282 mm of rain over 24.9 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 80% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
172
273
373
474
574
675
776
877
978
1078
1179
1280
1381
1481
1582
1682
1783
1883
1983
2083
2183
2283
2383
2483
2583
2683
2783
2883
2983
3082
3182

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1131653
2131653
3130663
4129673
5128683
6027694
7026704
8024715
9023725
10021736
11020746
12018757
13017758
14015778
15014779
160127810
170117811
180107911
19097912
20087913
21087913
22078013
23068014
24068014
25058114
26058015
27058015
28058015
29048016
30048016
31048016

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 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
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 6:20 AM to 6:09 AM, and sunset from 7:01 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:207:01
212.76:197:01
312.76:197:01
412.76:187:02
512.76:187:02
612.86:177:02
712.86:177:03
812.86:167:03
912.86:167:03
1012.86:157:04
1112.86:157:04
1212.86:147:04
1312.96:147:05
1412.96:137:05
1512.96:137:06
1612.96:137:06
1712.96:127:06
1812.96:127:07
1912.96:127:07
2012.96:117:07
2112.96:117:08
2213.06:117:08
2313.06:107:09
2413.06:107:09
2513.06:107:09
2613.06:107:10
2713.06:107:10
2813.06:097:11
2913.06:097:11
3013.06:097:11
3113.06:097:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.62 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 6.25 kWh/m² in July across the year — May's 5.62 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Constanza?

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

4.5
Sightseeing
12th-best month of the year
3.5
Beach & pool
12th-best month of the year

May is a reasonable time to visit Constanza for sightseeing.

What to pack for Constanza in May

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

In May, Constanza sees daytime highs around 23°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 25 days see rain.

rain gearlight clothessun protection

Sea temperature near Constanza 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
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Constanza 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 Constanza peaks around March 22 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 22UV 13Dec 15UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Constanza 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 Constanza 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 Constanza?

Constanza sits at 18.9°N, 70.7°W, 1,177 m above sea level, in Dominican Republic. The nearest listed city is Jarabacoa, 26 km away.

JarabacoaBonaoLa VegaSan José de OcoaAzuaSan Juan de la MaguanaMocaSantiago de los Caballeros

Topography around Constanza

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

Within 3 km, the terrain around Constanza has significant variations in elevation — a maximum elevation change of 572 m around an average of 1,244 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,080 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,072 m.

The land around Constanza is covered by trees (39%), grassland (27%) and cropland (22%) within 3 km, trees (71%) and grassland (25%) within 16 km, and trees (67%) within 80 km.

3 km
572 m
16 km
2,080 m
80 km
3,072 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Jarabacoa 26 km · Bonao 35 km · La Vega 41 km · San José de Ocoa 47 km · Azua 51 km · San Juan de la Maguana 52 km · Moca 59 km · Santiago de los Caballeros 60 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 Constanza (18.9092°, -70.745°, elevation 1,177 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).