Saint-Marc weather in October

In October, Saint-Marc sees average daytime highs of 28°C and overnight lows near 25°C, with 87 mm of rain across 18.8 wet days and about 11.6 hours of daylight. It is the 5th-warmest and 2nd-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 October, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of October to 11 h 18 min by month's end. Set against the rest of the year, October is Saint-Marc's 9th-clearest and 8th-windiest month. For the whole year in context, see Saint-Marc's year-round climate.

Daytime high
28°
5th warmest
Overnight low
25°
8th coldest
Rainfall
87 mm
18.8 wet days
Daylight
11 h 36 min
5:49 AM – 5:23 PM
Cloud cover
56%
9th clearest
Wind
7 km/h
8th windiest
Solar energy
5.39 kWh/m²
Travel score
4.8
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October day in Saint-Marc 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 27°C and 29°C. Set against its neighbours, October runs on par with September and on par with November.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
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

How October really feels in Saint-Marc

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Saint-Marc weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 23°112.7118.4
Feb27° / 23°112.811.48.3
Mar27° / 23°205.811.97.7
Apr27° / 24°3711.912.46.6
May28° / 25°7317.112.95.3
Jun29° / 26°6317.113.14.7
Jul29° / 26°6316.7134.8
Aug29° / 26°8419.212.64.4
Sep29° / 26°9720.912.14.1
Oct28° / 25°8718.811.64.8
Nov28° / 24°459.511.16.7
Dec27° / 23°112.910.98.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 20% of October, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34852
44951
55050
65149
75248
85347
95446
105545
115644
125743
135644
145743
155743
165743
175743
185842
195842
205842
215941
226040
236040
246139
256238
266337
276337
286337
296436
306436
316535

Chance of precipitation in October

Any precipitation

Saint-Marc gets around 87 mm of rain over 18.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 60% and peaks near 70% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
170
270
370
470
570
670
770
869
969
1069
1168
1267
1367
1466
1565
1663
1762
1860
1959
2057
2156
2254
2352
2451
2550
2648
2747
2846
2945
3044
3144

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101954
201954
301954
401954
501954
601954
701954
801954
901954
1001963
1101963
1201963
1301963
1402962
1502962
1602962
1703961
1803961
1904951
2004951
2105941
2205941
2306931
2406931
2507921
2607921
2708911
2809901
2919891
30110881
31111880

Wind in October

Winds average 7 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 8 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
136calm
146calm
156calm
166calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 48 min at the start of October to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over October. Sunrise moves from 5:45 AM to 5:55 AM, and sunset from 5:35 PM to 5:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:455:35
211.85:455:34
311.85:455:33
411.85:465:32
511.85:465:31
611.75:465:30
711.75:465:30
811.75:475:29
911.75:475:28
1011.75:475:27
1111.65:485:26
1211.65:485:26
1311.65:485:25
1411.65:485:24
1511.65:495:23
1611.65:495:23
1711.55:495:22
1811.55:505:21
1911.55:505:20
2011.55:515:20
2111.55:515:19
2211.55:515:18
2311.45:525:18
2411.45:525:17
2511.45:535:17
2611.45:535:16
2711.45:535:16
2811.45:545:15
2911.35:545:15
3011.35:555:14
3111.35:555:14

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.39 kWh/m².

For context, solar energy here swings from a low near 4.66 kWh/m² to a high of 6.81 kWh/m² in July across the year — October's 5.39 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in October

Hazard calendar for Saint-Marc

In seasonPeak

In October, Saint-Marc sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

Saint-Marc sits in the Atlantic hurricane belt; the season peaks August–October.

Saint-Marc's rainy season runs May–November, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Saint-Marc?

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

4.8
Sightseeing
8th-best month of the year
5.7
Beach & pool
10th-best month of the year

October is a reasonable time to visit Saint-Marc for sightseeing.

What to pack for Saint-Marc in October

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

In October, Saint-Marc sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Saint-Marc in October

The nearest coast averages about 30°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in August 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°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb27Warm
Mar27Warm
Apr28Warm
May29Tropical
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec28Tropical

UV index in Saint-Marc in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saint-Marc peaks around March 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighMar 23UV 12Dec 17UV 6
UV index (midday)Level
Jan7Very high
Feb10Very high
Mar12Extreme
Apr11Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep11Extreme
Oct9Very high
Nov7Very high
Dec6High

Air quality in Saint-Marc in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Saint-Marc is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (March, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2231 µg/m³Mar 1313 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar13Moderate
Apr15Moderate
May21Moderate
Jun31Moderate
Jul30Moderate
Aug26Moderate
Sep20Moderate
Oct20Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Saint-Marc?

Saint-Marc sits at 19.1°N, 72.7°W, in Haiti. The nearest listed city is Verrettes, 26 km away.

VerrettesDessalinesDésarmesGonaïvesArcahaieSaint-Michel de l'AtalayeSaint-RaphaëlGressier

Topography around Saint-Marc

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

Within 3 km, the terrain around Saint-Marc has significant variations in elevation — a maximum elevation change of 294 m around an average of 56 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,288 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,768 m.

The land around Saint-Marc is covered by water (37%), artificial surfaces (26%) and grassland (23%) within 3 km, grassland (39%) and water (25%) within 16 km, and water (43%) and grassland (33%) within 80 km.

3 km
294 m
16 km
1,288 m
80 km
1,768 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
October weather nearby: Verrettes 26 km · Dessalines 26 km · Désarmes 35 km · Gonaïves 37 km · Arcahaie 43 km · Saint-Michel de l'Atalaye 48 km · Saint-Raphaël 64 km · Gressier 66 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 Saint-Marc (19.1114°, -72.7008°), 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).