Baní weather in January

In January, Baní sees average daytime highs of 27°C and overnight lows near 22°C, with 15 mm of rain across 4.2 wet days and about 11 hours of daylight. It is the 11th-warmest and 11th-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 80% 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 Baní's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Baní's year-round climate.

Daytime high
27°
11th warmest
Overnight low
22°
2nd coldest
Rainfall
15 mm
4.2 wet days
Daylight
11 hours
7:20 AM – 6:21 PM
Cloud cover
29%
2nd clearest
Wind
17 km/h
2nd windiest
Solar energy
4.56 kWh/m²
Travel score
8.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Baní reaches about 27°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 28°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)
12722
22722
32722
42722
52722
62722
72722
82722
92722
102722
112722
122722
132722
142722
152722
162722
172722
182722
192722
202722
212722
222722
232722
242722
252722
262722
272722
282722
292722
302722
312722

How January really feels in Baní

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.

Baní weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 22°154.2118.0
Feb27° / 22°144.411.47.9
Mar27° / 22°19611.97.6
Apr28° / 23°318.512.46.9
May28° / 24°7915.212.85.5
Jun29° / 24°7414.713.15.1
Jul29° / 25°6211.6135.5
Aug29° / 25°9713.112.65.1
Sep29° / 25°10215.412.14.8
Oct29° / 24°10015.211.65.1
Nov28° / 24°487.911.16.6
Dec27° / 23°224.110.97.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 80% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28911
38911
48911
59010
69010
79010
88911
99010
109010
119010
129010
139010
149010
15919
16919
17919
18919
19919
20919
21919
22919
23919
24919
259010
269010
279010
289010
299010
30919
31919

Chance of precipitation in January

Any precipitation

Baní gets around 15 mm of rain over 4.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 13% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
315
415
515
614
714
814
913
1012
1112
1211
1311
1410
1510
1610
1711
1811
1911
2012
2112
2213
2313
2413
2514
2614
2714
2815
2915
3015
3114

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 78% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1197317
2197416
3197515
4197614
5197713
6197812
7197911
81107811
91107910
10110809
11110809
12111808
13111808
14112807
15212797
16213787
17213796
18214786
19214786
20214786
21214786
22214786
23214786
24314776
25314776
26314776
27214795
28214795
29214795
30213805
31213796

Wind in January

Winds average 17 km/h in January.

Across January, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

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 7:17 AM to 7:19 AM, and sunset from 6:12 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:176:12
210.97:176:13
310.97:186:13
410.97:186:14
510.97:186:14
610.97:186:15
710.97:196:16
811.07:196:16
911.07:196:17
1011.07:196:17
1111.07:206:18
1211.07:206:19
1311.07:206:19
1411.07:206:20
1511.07:206:20
1611.07:206:21
1711.07:206:22
1811.07:206:22
1911.07:206:23
2011.17:206:23
2111.17:206:24
2211.17:206:25
2311.17:206:25
2411.17:206:26
2511.17:206:26
2611.17:206:27
2711.17:206:28
2811.17:206:28
2911.17:206:29
3011.27:206:29
3111.27:196:30

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.56 kWh/m².

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 6.28 kWh/m² in July across the year — January's 4.56 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for Baní

In seasonPeak

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

Baní sits in the Atlantic hurricane belt; the season peaks August–October.

Baní'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 January a good time to visit Baní?

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

8.0
Sightseeing
1st-best month of the year
8.0
Beach & pool
2nd-best month of the year

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

What to pack for Baní in January

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

In January, Baní sees daytime highs around 27°C and nights near 22°C. Worth packing: light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Baní in January

The nearest coast averages about 27°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 18 km away) is warmest in September at about 29°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
Apr27Warm
May28Warm
Jun28Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Baní in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Baní peaks around March 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 highHighMar 22UV 12Dec 13UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar13Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in Baní 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 Baní is worst in June — around 28 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (January, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2328 µg/m³Jan 19 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May18Moderate
Jun28Moderate
Jul28Moderate
Aug23Moderate
Sep18Moderate
Oct18Moderate
Nov11Good
Dec9Good
Location & terrain

Where is Baní?

Baní sits at 18.3°N, 70.3°W, 67 m above sea level, in Dominican Republic. The nearest listed city is San Cristóbal, 28 km away.

San CristóbalBajos de HainaSan José de OcoaSanto Domingo OesteBella VistaAzuaVilla AltagraciaCristo Rey

Topography around Baní

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

Within 3 km, the terrain around Baní has significant variations in elevation — a maximum elevation change of 275 m around an average of 68 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,498 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,781 m.

The land around Baní is covered by trees (39%), artificial surfaces (35%) and grassland (20%) within 3 km, trees (46%) and water (29%) within 16 km, and trees (41%) and water (41%) within 80 km.

3 km
275 m
16 km
1,498 m
80 km
2,781 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: San Cristóbal 28 km · Bajos de Haina 35 km · San José de Ocoa 35 km · Santo Domingo Oeste 43 km · Bella Vista 45 km · Azua 47 km · Villa Altagracia 47 km · Cristo Rey 49 km

Dominican Republic travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
120 V · 60 Hz
Prices
≈ 39% of US
price level, 2025
GDP per capita
$11,059
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
45%
of population, 2024
Homicide rate
10.9
per 100k, 2023
Road deaths
64.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 503

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 Baní (18.2797°, -70.3318°, elevation 67 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).