Cap-Haïtien weather in August

In August, Cap-Haïtien sees average daytime highs of 28°C and overnight lows near 25°C, with 83 mm of rain across 19.3 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 36% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Cap-Haïtien's 8th-clearest and 8th-windiest month. For the whole year in context, see Cap-Haïtien's year-round climate.

Daytime high
28°
1st warmest
Overnight low
25°
12th coldest
Rainfall
83 mm
19.3 wet days
Daylight
12 h 42 min
5:33 AM – 6:13 PM
Cloud cover
55%
8th clearest
Wind
13 km/h
8th windiest
Solar energy
6.73 kWh/m²
Travel score
4.7
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Cap-Haïtien reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

Cap-Haïtien weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 9th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36337
46337
56337
66337
76337
86238
96238
106238
116238
126040
136040
145941
155941
165743
175644
185545
195446
205248
215149
225149
235149
245050
255050
265050
275050
284951
295050
305050
315050

Chance of precipitation in August

Any precipitation

Cap-Haïtien gets around 83 mm of rain over 19.3 wet days in August. 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 71% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
154
254
355
455
555
655
756
856
956
1057
1158
1258
1359
1460
1561
1662
1763
1864
1965
2066
2167
2268
2369
2470
2570
2671
2771
2871
2971
3071
3171

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17921
27822
37822
47822
57723
67723
77723
87723
97723
107723
117822
127822
137822
147822
157921
167921
177921
188020
198020
208020
218020
228020
238020
248020
258020
267921
277921
287921
297822
307822
317822

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 12 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:28 AM to 5:36 AM, and sunset from 6:22 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:286:22
212.95:286:22
312.95:286:21
412.95:296:21
512.85:296:20
612.85:296:20
712.85:306:19
812.85:306:18
912.85:306:18
1012.85:316:17
1112.85:316:17
1212.75:316:16
1312.75:326:15
1412.75:326:15
1512.75:326:14
1612.75:336:13
1712.75:336:13
1812.65:336:12
1912.65:336:11
2012.65:346:10
2112.65:346:10
2212.65:346:09
2312.65:346:08
2412.55:356:07
2512.55:356:06
2612.55:356:06
2712.55:356:05
2812.55:366:04
2912.55:366:03
3012.45:366:02
3112.45:366:01

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.73 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 — August's 6.73 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
116.9Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.6Intense
226.6Intense
236.6Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.4Intense
Planning a trip in August

Hazard calendar for Cap-Haïtien

In seasonPeak

In August, Cap-Haïtien sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

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 August a good time to visit Cap-Haïtien?

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

4.7
Sightseeing
10th-best month of the year
5.6
Beach & pool
8th-best month of the year

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

What to pack for Cap-Haïtien in August

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

In August, Cap-Haïtien sees daytime highs around 28°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Cap-Haïtien in August

The nearest coast averages about 29°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).