Baní weather in December

In December, Baní sees average daytime highs of 27°C and overnight lows near 23°C, with 22 mm of rain across 4.1 wet days and about 10.9 hours of daylight. It is the 9th-warmest and 9th-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 73% 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 Baní's 4th-clearest and 1st-windiest month. For the whole year in context, see Baní's year-round climate.

Daytime high
27°
9th warmest
Overnight low
23°
4th coldest
Rainfall
22 mm
4.1 wet days
Daylight
10 h 54 min
7:10 AM – 6:05 PM
Cloud cover
33%
4th clearest
Wind
17 km/h
1st windiest
Solar energy
4.35 kWh/m²
Travel score
7.8
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 Baní reaches about 27°C in the afternoon and slips back to 23°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, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12823
22823
32823
42823
52823
62823
72823
82823
92823
102823
112823
122823
132723
142723
152723
162723
172723
182723
192723
202723
212723
222723
232723
242722
252722
262722
272722
282722
292722
302722
312722

How December really feels in Baní

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.

Baní weather by month

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

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% 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 17%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18119
28119
38119
48119
58119
68119
78119
88119
98119
108119
118119
128119
138218
148218
158218
168317
178317
188317
198317
208416
218515
228515
238515
248614
258614
268614
278713
288713
298812
308812
318911

Chance of precipitation in December

Any precipitation

Baní gets around 22 mm of rain over 4.1 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 13% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
114
214
314
413
513
613
713
813
913
1013
1112
1212
1312
1412
1512
1612
1712
1813
1913
2013
2113
2214
2314
2414
2514
2615
2715
2815
2915
3016
3116

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1055540
2055639
3065638
4065638
5065737
6065737
7075736
8075736
9075835
10075835
11185734
12185734
13185833
14195832
15195832
16195931
17196030
181105930
191106029
201106128
211106227
222106226
232106226
242106325
252106424
262106523
272106622
281106821
29197020
30197119
31197218

Wind in December

Winds average 17 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 16 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
116light breeze
216light 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 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 7:02 AM to 7:17 AM, and sunset from 6:01 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:026:01
211.07:026:01
311.07:036:01
411.07:036:01
511.07:046:01
610.97:056:02
710.97:056:02
810.97:066:02
910.97:066:02
1010.97:076:03
1110.97:076:03
1210.97:086:03
1310.97:096:04
1410.97:096:04
1510.97:106:04
1610.97:106:05
1710.97:116:05
1810.97:116:06
1910.97:126:06
2010.97:126:06
2110.97:136:07
2210.97:136:07
2310.97:146:08
2410.97:146:08
2510.97:156:09
2610.97:156:09
2710.97:156:10
2810.97:166:10
2910.97:166:11
3010.97:176:11
3110.97:176:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.35 kWh/m² — the year's lowest.

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 — December's 4.35 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in December

Hazard calendar for Baní

In seasonPeak

None of Baní's seasonal hazards are active in December. 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 December a good time to visit Baní?

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

7.8
Sightseeing
3rd-best month of the year
8.1
Beach & pool
1st-best month of the year

December 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 December

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

In December, Baní sees daytime highs around 27°C and nights near 23°C. Pack light clothes. About 4 days see rain.

light clothes

Sea temperature near Baní 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 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 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 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 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 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
December 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).