Jacmel weather in August

In August, Jacmel sees average daytime highs of 28°C and overnight lows near 25°C, with 124 mm of rain across 20 wet days and about 12.6 hours of daylight. It is the 1st-warmest and 4th-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 33% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Jacmel's 8th-clearest and 5th-windiest month. For the whole year in context, see Jacmel's year-round climate.

Daytime high
28°
1st warmest
Overnight low
25°
12th coldest
Rainfall
124 mm
20 wet days
Daylight
12 h 36 min
5:36 AM – 6:13 PM
Cloud cover
57%
8th clearest
Wind
8 km/h
5th windiest
Solar energy
6.69 kWh/m²
Travel score
4.8
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 Jacmel reaches about 28°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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
222824
232824
242824
252824
262824
272824
282824
292824
302824
312824

Jacmel weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 22°163.7118.3
Feb26° / 22°265.611.47.9
Mar26° / 22°6011.111.96.9
Apr26° / 23°9515.712.46.0
May27° / 24°13119.712.85.2
Jun28° / 24°7916.113.15.4
Jul28° / 24°8016.6135.5
Aug28° / 25°1242012.64.8
Sep28° / 24°13722.312.14.5
Oct27° / 24°14221.111.64.9
Nov27° / 23°7413.311.16.2
Dec26° / 22°255.210.97.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 23% 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 (%)
16238
26238
36139
46139
56040
66040
76040
86040
96139
106139
116139
126040
136040
146040
155941
165941
175842
185743
195644
205545
215545
225347
235347
245248
255248
265149
275050
285050
294951
304951
315050

Chance of precipitation in August

Any precipitation

Jacmel gets around 124 mm of rain over 20 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 65% and peaks near 72% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
156
257
357
457
558
658
758
859
959
1060
1161
1262
1363
1464
1564
1665
1766
1867
1968
2068
2169
2270
2370
2471
2571
2671
2771
2872
2972
3072
3172

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11963
21963
31963
41963
51963
61963
71963
80973
90973
100973
110973
120973
130973
140973
150982
160982
170982
180982
190982
200991
210991
220991
230991
240982
250982
260982
270982
280991
290991
300991
310991

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 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
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 48 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 24 minutes over August. Sunrise moves from 5:31 AM to 5:39 AM, and sunset from 6:21 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:316:21
212.85:326:21
312.85:326:20
412.85:326:20
512.85:336:19
612.85:336:19
712.85:336:18
812.75:336:18
912.75:346:17
1012.75:346:17
1112.75:346:16
1212.75:356:15
1312.75:356:15
1412.75:356:14
1512.65:356:14
1612.65:366:13
1712.65:366:12
1812.65:366:12
1912.65:366:11
2012.65:376:10
2112.55:376:09
2212.55:376:09
2312.55:376:08
2412.55:376:07
2512.55:386:06
2612.55:386:06
2712.45:386:05
2812.45:386:04
2912.45:386:03
3012.45:396:02
3112.45:396:02

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.69 kWh/m².

For context, solar energy here swings from a low near 4.75 kWh/m² to a high of 6.98 kWh/m² in July across the year — August's 6.69 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in August

Hazard calendar for Jacmel

In seasonPeak

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

Jacmel 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 Jacmel?

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

4.8
Sightseeing
11th-best month of the year
5.4
Beach & pool
9th-best month of the year

August is a reasonable time to visit Jacmel for sightseeing.

What to pack for Jacmel in August

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

In August, Jacmel sees daytime highs around 28°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Jacmel 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 March 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
Dec28Tropical

UV index in Jacmel in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Jacmel peaks around August 20 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 highHighAug 20UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul10Very high
Aug12Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Jacmel 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 Jacmel is worst in June — around 29 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (December, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2329 µg/m³Dec 238 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar10Good
Apr11Good
May18Moderate
Jun29Moderate
Jul29Moderate
Aug23Moderate
Sep17Moderate
Oct16Moderate
Nov10Good
Dec8Good
Location & terrain

Where is Jacmel?

Jacmel sits at 18.2°N, 72.5°W, 29 m above sea level, in Haiti. The nearest listed city is Léogâne, 32 km away.

LéogâneGrangwavGressierKenscoffCarrefourPort-au-PrincePétionvilleTigwav

Topography around Jacmel

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

Within 3 km, the terrain around Jacmel has only modest variations in elevation — a maximum elevation change of 222 m around an average of 31 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 944 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,681 m.

The land around Jacmel is covered by trees (43%) and water (26%) within 3 km, water (37%), trees (35%) and grassland (27%) within 16 km, and water (52%) and grassland (28%) within 80 km.

3 km
222 m
16 km
944 m
80 km
2,681 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Léogâne 32 km · Grangwav 32 km · Gressier 34 km · Kenscoff 36 km · Carrefour 36 km · Port-au-Prince 40 km · Pétionville 41 km · Tigwav 41 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 Jacmel (18.2357°, -72.5369°, elevation 29 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).