Grangwav weather in January

In January, Grangwav sees average daytime highs of 28°C and overnight lows near 22°C, with 20 mm of rain across 4.7 wet days and about 11 hours of daylight. It is the 12th-warmest and 12th-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 76% of the time in January, and the air most often feels muggy.

Daylight stretches from about 10 h 54 min at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Grangwav's 1st-clearest and 2nd-windiest month. For the whole year in context, see Grangwav's year-round climate.

Daytime high
28°
12th warmest
Overnight low
22°
1st coldest
Rainfall
20 mm
4.7 wet days
Daylight
11 hours
6:30 AM – 5:31 PM
Cloud cover
30%
1st clearest
Wind
5 km/h
2nd windiest
Solar energy
4.95 kWh/m²
Travel score
7.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Grangwav reaches about 28°C in the afternoon and slips back to 22°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, January runs on par with December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62722
72722
82722
92722
102722
112722
122722
132722
142722
152722
162722
172722
182722
192822
202822
212822
222822
232822
242822
252822
262822
272822
282822
292822
302822
312822

How January really feels in Grangwav

Once humidity and wind are folded in, January 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

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

Grangwav weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 22°204.7117.7
Feb28° / 22°225.411.47.5
Mar28° / 23°448.911.96.6
Apr28° / 24°801412.45.5
May29° / 24°13418.712.94.5
Jun30° / 25°9315.113.14.5
Jul30° / 25°8915.8134.4
Aug30° / 26°11118.112.64.0
Sep30° / 25°12119.512.13.9
Oct29° / 25°13219.811.64.3
Nov28° / 24°7512.511.15.8
Dec28° / 23°295.610.97.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 12%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58713
68713
78713
88713
98713
108713
118812
128713
138713
148713
158713
168812
178812
188812
198812
208911
218911
228911
238911
248911
258911
268911
278911
289010
299010
309010
319010

Chance of precipitation in January

Any precipitation

Grangwav gets around 20 mm of rain over 4.7 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 17% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
316
416
516
615
715
815
915
1015
1115
1214
1314
1414
1514
1614
1714
1814
1914
2014
2114
2215
2315
2416
2516
2616
2717
2817
2917
3017
3117

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1045046
2045244
3035542
4035740
5035938
6036037
7036235
8036433
9036532
10136630
11146629
12146728
13146827
14146926
15156925
16157024
17157123
18157222
19167221
20167221
21167320
22167419
23167518
24177418
25177517
26177517
27177517
28177616
29177616
30177616
31177616

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 54 min at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:27 AM to 6:29 AM, and sunset from 5:22 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:275:22
210.96:275:22
310.96:285:23
410.96:285:23
510.96:285:24
610.96:285:24
710.96:295:25
810.96:295:26
911.06:295:26
1011.06:295:27
1111.06:305:27
1211.06:305:28
1311.06:305:29
1411.06:305:29
1511.06:305:30
1611.06:305:31
1711.06:305:31
1811.06:305:32
1911.06:305:32
2011.06:305:33
2111.16:305:34
2211.16:305:34
2311.16:305:35
2411.16:305:35
2511.16:305:36
2611.16:305:37
2711.16:305:37
2811.16:305:38
2911.16:305:38
3011.26:305:39
3111.26:295:39

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.95 kWh/m².

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 6.88 kWh/m² in July across the year — January's 4.95 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Grangwav

In seasonPeak

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

Grangwav 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 January a good time to visit Grangwav?

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

7.7
Sightseeing
1st-best month of the year
8.1
Beach & pool
1st-best month of the year

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

What to pack for Grangwav in January

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

In January, Grangwav sees daytime highs around 28°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Grangwav in January

The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 km away) is warmest in September at about 30°C and coldest in February near 28°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
Feb28Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Grangwav in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Grangwav peaks around June 14 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 14UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul10Extreme
Aug12Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Grangwav in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Grangwav 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 Grangwav?

Grangwav sits at 18.4°N, 72.8°W, 23 m above sea level, in Haiti. The nearest listed city is Tigwav, 10 km away.

LéogâneGressierJacmelMiragoâneCarrefourArcahaiePort-au-Prince

Topography around Grangwav

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

Within 3 km, the terrain around Grangwav has significant variations in elevation — a maximum elevation change of 294 m around an average of 42 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,366 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,406 m.

The land around Grangwav is covered by trees (39%) and water (39%) within 3 km, water (41%), grassland (34%) and trees (24%) within 16 km, and water (55%) and grassland (25%) within 80 km.

3 km
294 m
16 km
1,366 m
80 km
2,406 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Tigwav 10 km · Léogâne 17 km · Gressier 29 km · Jacmel 32 km · Miragoâne 34 km · Carrefour 41 km · Arcahaie 47 km · Port-au-Prince 47 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 Grangwav (18.4259°, -72.7699°, elevation 23 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).