Grand Gosier weather in May

In May, Grand Gosier sees average daytime highs of 26°C and overnight lows near 22°C, with 138 mm of rain across 21.4 wet days and about 12.8 hours of daylight. It is the 6th-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 24% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Grand Gosier's 11th-clearest and 3rd-windiest month. For the whole year in context, see Grand Gosier's year-round climate.

Daytime high
26°
6th warmest
Overnight low
22°
7th coldest
Rainfall
138 mm
21.4 wet days
Daylight
12 h 54 min
5:18 AM – 6:09 PM
Cloud cover
62%
11th clearest
Wind
7 km/h
3rd windiest
Solar energy
6.42 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 26°C through the month.

A typical May day in Grand Gosier reaches about 26°C in the afternoon and slips back to 22°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°C. Set against its neighbours, May runs about 1°C warmer than April and about 1°C cooler than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12622
22622
32622
42622
52622
62622
72622
82622
92622
102622
112622
122622
132622
142622
152622
162622
172622
182622
192622
202622
212623
222623
232623
242623
252623
262623
272623
282723
292723
302723
312723

Grand Gosier 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° / 20°288117.7
Feb25° / 20°398.811.47.4
Mar25° / 21°8716.111.96.2
Apr25° / 21°11920.412.45.4
May26° / 22°13821.412.85.0
Jun27° / 23°6714.213.15.7
Jul28° / 23°5913.4136.0
Aug28° / 23°1111712.65.5
Sep27° / 23°12220.812.14.8
Oct27° / 23°13520.211.65.1
Nov26° / 22°7415.211.16.1
Dec25° / 21°358.510.97.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36535
46436
56337
66238
76139
86040
95842
105842
115644
125446
135248
145149
154951
164852
174555
184456
194258
204159
214060
223961
233961
243862
253862
263961
273961
283961
293961
303961
313961

Chance of precipitation in May

Any precipitation

Grand Gosier gets around 138 mm of rain over 21.4 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 68% and peaks near 71% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
171
271
371
471
570
670
770
870
969
1069
1169
1269
1368
1468
1568
1668
1768
1868
1968
2068
2168
2268
2368
2468
2568
2667
2766
2866
2964
3063
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 81% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
14897
24897
34888
44888
54888
64888
73889
83889
938710
1038611
1138512
1228513
1328414
1428315
1528216
1618217
1718118
1817920
1917821
2017722
2117722
2217623
2317524
2407624
2507624
2607525
2707525
2807525
2907525
3007525
3107525

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 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
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 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 24 minutes over May. Sunrise moves from 5:25 AM to 5:15 AM, and sunset from 6:04 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:256:04
212.75:256:05
312.75:246:05
412.75:246:05
512.75:236:06
612.75:236:06
712.75:226:06
812.75:226:07
912.85:216:07
1012.85:216:07
1112.85:206:08
1212.85:206:08
1312.85:196:08
1412.85:196:09
1512.85:196:09
1612.95:186:09
1712.95:186:10
1812.95:186:10
1912.95:176:11
2012.95:176:11
2112.95:176:11
2212.95:176:12
2312.95:166:12
2412.95:166:12
2512.95:166:13
2613.05:166:13
2713.05:166:14
2813.05:156:14
2913.05:156:14
3013.05:156:15
3113.05:156:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.42 kWh/m².

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 6.9 kWh/m² in July across the year — May's 6.42 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.5Intense
316.5Intense
Planning a trip in May

Hazard calendar for Grand Gosier

In seasonPeak

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

Grand Gosier 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 Grand Gosier?

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

5.0
Sightseeing
11th-best month of the year
4.9
Beach & pool
12th-best month of the year

May is a reasonable time to visit Grand Gosier for sightseeing.

What to pack for Grand Gosier in May

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

In May, Grand Gosier sees daytime highs around 26°C and nights near 22°C. Pack rain gear and sun protection. Worth having: light clothes. About 21 days see rain.

rain gearsun protectionlight clothes

Sea temperature near Grand Gosier 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 offshore is warmest in September at about 30°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
Apr28Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Grand Gosier 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 Grand Gosier peaks around March 22 at about 12 (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 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Grand Gosier 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 Grand Gosier is worst in June — around 29 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2329 µg/m³Jan 1310 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr12Moderate
May19Moderate
Jun29Moderate
Jul29Moderate
Aug24Moderate
Sep18Moderate
Oct18Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Grand Gosier?

Grand Gosier sits at 18.2°N, 71.9°W, 25 m above sea level, in Haiti. The nearest listed city is Fond Parisien, 36 km away.

Fond ParisienKenscoffPétionvilleCroix-des-BouquetsThomazeauDelmasPort-au-Prince

Topography around Grand Gosier

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

Within 3 km, the terrain around Grand Gosier has significant variations in elevation — a maximum elevation change of 577 m around an average of 147 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,052 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,681 m.

The land around Grand Gosier is covered by water (41%) and trees (35%) within 3 km, water (43%), trees (27%) and grassland (26%) within 16 km, and water (34%), trees (30%) and grassland (26%) within 80 km.

3 km
577 m
16 km
2,052 m
80 km
2,681 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Fond Parisien 36 km · Kenscoff 48 km · Pétionville 53 km · Croix-des-Bouquets 54 km · Thomazeau 55 km · Delmas 57 km · Port-au-Prince 60 km · Neiba 63 km

Haiti travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B
110 V · 60 Hz
Prices
≈ 86% of US
price level, 2025
GDP per capita
$2,694
2025
Happiness
3.6 / 10
World Happiness, 2020
Homicide rate
41.2
per 100k, 2023
Road deaths
18.8
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 444
Religion
Catholic 55%Protestant 29%none 10%other 5%

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 Grand Gosier (18.1854°, -71.9182°, elevation 25 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).