Grand Gosier weather in December

In December, Grand Gosier sees average daytime highs of 25°C and overnight lows near 21°C, with 35 mm of rain across 8.5 wet days and about 10.9 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 65% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 hours at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Grand Gosier's 3rd-clearest and 10th-windiest month. For the whole year in context, see Grand Gosier's year-round climate.

Daytime high
25°
8th warmest
Overnight low
21°
4th coldest
Rainfall
35 mm
8.5 wet days
Daylight
10 h 54 min
6:16 AM – 5:11 PM
Cloud cover
37%
3rd clearest
Wind
6 km/h
10th windiest
Solar energy
4.69 kWh/m²
Travel score
7.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical December day in Grand Gosier reaches about 25°C in the afternoon and slips back to 21°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12621
22621
32621
42621
52621
62621
72621
82621
92521
102521
112521
122521
132521
142521
152521
162521
172521
182521
192521
202521
212521
222521
232521
242521
252521
262521
272521
282521
292521
302521
312521

Grand Gosier weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 20°288117.7
Feb25° / 20°398.811.47.4
Mar25° / 21°8716.111.96.2
Apr25° / 21°11920.412.45.4
May26° / 22°13821.412.85.0
Jun27° / 23°6714.213.15.7
Jul28° / 23°5913.4136.0
Aug28° / 23°1111712.65.5
Sep27° / 23°12220.812.14.8
Oct27° / 23°13520.211.65.1
Nov26° / 22°7415.211.16.1
Dec25° / 21°358.510.97.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 18%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27822
37921
48020
58119
68119
78119
88119
98119
108119
118119
128119
138020
148119
158119
168119
178218
188218
198218
208218
218317
228317
238416
248416
258515
268614
278614
288614
298713
308713
318713

Chance of precipitation in December

Any precipitation

Grand Gosier gets around 35 mm of rain over 8.5 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 28% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
333
433
532
631
731
830
930
1030
1130
1229
1329
1429
1528
1628
1728
1827
1927
2027
2126
2226
2325
2424
2523
2623
2722
2822
2922
3022
3122

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 70% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1014842
2015832
3016822
4017821
5118801
6119791
7120781
8121771
9121771
10122761
11123751
12124750
13125740
14126730
15127720
16128710
17129700
18130690
19131680
20132670
21133660
22134650
23136630
24138610
25139600
26141580
27143560
28145540
29147520
30148510
31149500

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 hours at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:08 AM to 6:23 AM, and sunset from 5:07 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:085:07
211.06:085:07
311.06:095:07
411.06:105:08
511.06:105:08
611.06:115:08
710.96:115:08
810.96:125:09
910.96:135:09
1010.96:135:09
1110.96:145:09
1210.96:145:10
1310.96:155:10
1410.96:155:11
1510.96:165:11
1610.96:165:11
1710.96:175:12
1810.96:175:12
1910.96:185:13
2010.96:185:13
2110.96:195:13
2210.96:195:14
2310.96:205:14
2410.96:205:15
2510.96:215:15
2610.96:215:16
2710.96:225:16
2810.96:225:17
2910.96:225:17
3010.96:235:18
3110.96:235:19

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.69 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 6.9 kWh/m² in July across the year — December's 4.69 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 Grand Gosier

In seasonPeak

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

Grand Gosier 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 December a good time to visit Grand Gosier?

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

7.4
Sightseeing
2nd-best month of the year
6.8
Beach & pool
2nd-best month of the year

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

What to pack for Grand Gosier in December

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

In December, Grand Gosier sees daytime highs around 25°C and nights near 21°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Grand Gosier 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 offshore is warmest in September 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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Grand Gosier in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Grand Gosier peaks around March 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 22UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Grand Gosier 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 Grand Gosier is worst in June — around 29 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2329 µg/m³Jan 1310 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr12Moderate
May19Moderate
Jun29Moderate
Jul29Moderate
Aug24Moderate
Sep18Moderate
Oct18Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Grand Gosier?

Grand Gosier sits at 18.2°N, 71.9°W, 25 m above sea level, in Haiti. The nearest listed city is Fond Parisien, 36 km away.

Fond ParisienKenscoffPétionvilleCroix-des-BouquetsThomazeauDelmasPort-au-Prince

Topography around Grand Gosier

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

Within 3 km, the terrain around Grand Gosier has significant variations in elevation — a maximum elevation change of 577 m around an average of 147 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,052 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,681 m.

The land around Grand Gosier is covered by water (41%) and trees (35%) within 3 km, water (43%), trees (27%) and grassland (26%) within 16 km, and water (34%), trees (30%) and grassland (26%) within 80 km.

3 km
577 m
16 km
2,052 m
80 km
2,681 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Fond Parisien 36 km · Kenscoff 48 km · Pétionville 53 km · Croix-des-Bouquets 54 km · Thomazeau 55 km · Delmas 57 km · Port-au-Prince 60 km · Neiba 63 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 Grand Gosier (18.1854°, -71.9182°, elevation 25 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).