Cap-Haïtien weather in May

In May, Cap-Haïtien sees average daytime highs of 27°C and overnight lows near 24°C, with 113 mm of rain across 20 wet days and about 12.9 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 33% 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 h 06 min by month's end. Set against the rest of the year, May is Cap-Haïtien's 10th-clearest and 9th-windiest month. For the whole year in context, see Cap-Haïtien's year-round climate.

Daytime high
27°
6th warmest
Overnight low
24°
7th coldest
Rainfall
113 mm
20 wet days
Daylight
12 h 54 min
5:17 AM – 6:13 PM
Cloud cover
58%
10th clearest
Wind
12 km/h
9th windiest
Solar energy
6.58 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 27°C through the month.

A typical May day in Cap-Haïtien reaches about 27°C in the afternoon and slips back to 24°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°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)
12623
22623
32623
42623
52623
62623
72623
82623
92723
102723
112724
122724
132724
142724
152724
162724
172724
182724
192724
202724
212724
222724
232724
242724
252724
262724
272724
282724
292724
302724
312724

Cap-Haïtien weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 22°10815.410.96.4
Feb25° / 22°7613.511.36.6
Mar25° / 22°9815.311.96.4
Apr26° / 23°9616.812.46.0
May27° / 24°1132012.95.2
Jun28° / 25°6515.513.25.4
Jul28° / 25°6015.413.15.4
Aug28° / 25°8319.312.74.7
Sep28° / 25°10122.312.14.2
Oct28° / 25°12523.411.54.5
Nov26° / 23°1512211.14.9
Dec26° / 22°10117.710.86.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27228
37228
47129
57129
67030
76832
86733
96634
106436
116238
126040
135842
145545
155446
165149
174951
184753
194555
204456
214357
224159
234060
243961
254060
263961
273961
283961
293961
303862
313961

Chance of precipitation in May

Any precipitation

Cap-Haïtien gets around 113 mm of rain over 20 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 64% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
258
359
459
559
659
760
860
960
1061
1162
1262
1363
1464
1564
1665
1765
1866
1967
2067
2168
2268
2369
2469
2569
2668
2768
2867
2966
3065
3164

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1326710
2325720
3325720
4225730
5225730
6224740
7224740
8224740
9223750
10122761
11122761
12120781
13119791
14018811
15016831
16015832
17013852
18012862
19010882
2009883
2107903
2206913
2305914
2404924
2504924
2603925
2702935
2802926
2901936
3001936
3101927

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1312light breeze
1412light breeze
1512light breeze
1612calm
1712calm
1812calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:25 AM to 5:13 AM, and sunset from 6:07 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:256:07
212.75:246:08
312.75:236:08
412.85:236:08
512.85:226:09
612.85:226:09
712.85:216:10
812.85:216:10
912.85:206:10
1012.85:206:11
1112.95:196:11
1212.95:196:11
1312.95:186:12
1412.95:186:12
1512.95:176:13
1612.95:176:13
1712.95:176:13
1813.05:166:14
1913.05:166:14
2013.05:166:15
2113.05:156:15
2213.05:156:15
2313.05:156:16
2413.05:156:16
2513.05:146:17
2613.05:146:17
2713.15:146:17
2813.15:146:18
2913.15:146:18
3013.15:136:19
3113.15:136:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.58 kWh/m².

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 7.05 kWh/m² in July across the year — May's 6.58 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in May

Hazard calendar for Cap-Haïtien

In seasonPeak

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

Cap-Haïtien 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 Cap-Haïtien?

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

5.2
Sightseeing
8th-best month of the year
5.2
Beach & pool
9th-best month of the year

May is a reasonable time to visit Cap-Haïtien for sightseeing.

What to pack for Cap-Haïtien in May

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

In May, Cap-Haïtien sees daytime highs around 27°C and nights near 24°C. Pack rain gear and sun protection. Worth having: light clothes. About 20 days see rain.

rain gearsun protectionlight clothes

Sea temperature near Cap-Haïtien 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 15 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
Jan27Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Cap-Haïtien in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cap-Haïtien 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
May11Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in Cap-Haïtien 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 Cap-Haïtien is worst in June — around 32 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (February, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2031 µg/m³Feb 2218 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar18Moderate
Apr19Moderate
May24Moderate
Jun32Moderate
Jul30Moderate
Aug27Moderate
Sep24Moderate
Oct25Moderate
Nov22Moderate
Dec20Moderate
Location & terrain

Where is Cap-Haïtien?

Cap-Haïtien sits at 19.8°N, 72.2°W, 7 m above sea level, in Haiti. The nearest listed city is Lenbe, 22 km away.

LenbeTerrier RougeSaint-RaphaëlSaint-Michel de l'AtalayeDajabónSan Fernando de Monte CristiGonaïvesDessalines

Topography around Cap-Haïtien

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

Within 3 km, the terrain around Cap-Haïtien has large variations in elevation — a maximum elevation change of 680 m around an average of 76 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 795 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,768 m.

The land around Cap-Haïtien is covered by water (40%), trees (29%) and artificial surfaces (23%) within 3 km, water (54%) and grassland (20%) within 16 km, and water (35%), grassland (34%) and trees (21%) within 80 km.

3 km
680 m
16 km
795 m
80 km
1,768 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Lenbe 22 km · Terrier Rouge 29 km · Saint-Raphaël 36 km · Saint-Michel de l'Atalaye 46 km · Dajabón 56 km · San Fernando de Monte Cristi 59 km · Gonaïves 62 km · Dessalines 65 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 Cap-Haïtien (19.7594°, -72.1981°, elevation 7 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).