Saint-Marc weather in December

In December, Saint-Marc sees average daytime highs of 27°C and overnight lows near 23°C, with 11 mm of rain across 2.9 wet days and about 10.9 hours of daylight. It is the 9th-warmest and 10th-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 74% of the time in December, and the air most often feels muggy.

Daylight stretches from about 10 h 54 min at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Saint-Marc's 4th-clearest and 4th-windiest month. For the whole year in context, see Saint-Marc's year-round climate.

Daytime high
27°
9th warmest
Overnight low
23°
4th coldest
Rainfall
11 mm
2.9 wet days
Daylight
10 h 54 min
6:21 AM – 5:13 PM
Cloud cover
30%
4th clearest
Wind
9 km/h
4th windiest
Solar energy
4.66 kWh/m²
Travel score
8.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Saint-Marc reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°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, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12724
22724
32724
42724
52724
62723
72723
82723
92723
102723
112723
122723
132723
142723
152723
162723
172723
182723
192723
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302723
312723

How December really feels in Saint-Marc

Once humidity and wind are folded in, December 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

December 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 December compares with the rest of the year at a glance. December is the 9th-warmest and 10th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18119
28317
38218
48317
58317
68416
78416
88416
98317
108416
118416
128416
138416
148416
158416
168416
178416
188416
198416
208515
218515
228515
238614
248614
258614
268614
278713
288713
298713
308713
318812

Chance of precipitation in December

Any precipitation

Saint-Marc gets around 11 mm of rain over 2.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 10% and peaks near 15% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
115
214
314
413
512
612
711
811
910
1010
1110
1210
1310
1410
1510
1610
1710
1810
1910
2010
219
229
239
249
258
268
278
288
297
307
317

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1055243
2065242
3065242
4065341
5065440
6075439
7175438
8175537
9185536
10185635
11185734
12195733
13195832
14195931
151105930
161106029
171106128
181106227
191116127
201116226
211116325
222116225
232116324
242116324
252116423
262116522
272116522
282116621
291116820
301116919
311117018

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 54 min at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:13 AM to 6:28 AM, and sunset from 5:08 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:135:08
210.96:135:09
310.96:145:09
410.96:145:09
510.96:155:09
610.96:165:09
710.96:165:10
810.96:175:10
910.96:175:10
1010.96:185:11
1110.96:195:11
1210.96:195:11
1310.96:205:11
1410.96:205:12
1510.96:215:12
1610.96:215:13
1710.96:225:13
1810.96:225:13
1910.86:235:14
2010.86:235:14
2110.86:245:15
2210.86:245:15
2310.86:255:16
2410.86:255:16
2510.86:265:17
2610.96:265:17
2710.96:275:18
2810.96:275:18
2910.96:275:19
3010.96:285:19
3110.96:285:20

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.66 kWh/m² — the year's lowest.

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 — December's 4.66 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Saint-Marc

In seasonPeak

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

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 December a good time to visit Saint-Marc?

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

8.1
Sightseeing
3rd-best month of the year
8.2
Beach & pool
2nd-best month of the year

December is one of the better times to visit Saint-Marc for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Saint-Marc in December

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

In December, Saint-Marc sees daytime highs around 27°C and nights near 23°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Saint-Marc in December

The nearest coast averages about 28°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. 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 December

GoodModeratePoorUnhealthyVery unhealthy

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