Santa Barbara De Samana weather in December

In December, Santa Barbara De Samana sees average daytime highs of 26°C and overnight lows near 24°C, with 93 mm of rain across 19.4 wet days and about 10.9 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 55% of the time in December, and the air most often feels oppressive.

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 Santa Barbara De Samana's 4th-clearest and 5th-windiest month. For the whole year in context, see Santa Barbara De Samana's year-round climate.

Daytime high
26°
9th warmest
Overnight low
24°
5th coldest
Rainfall
93 mm
19.4 wet days
Daylight
10 h 48 min
7:08 AM – 5:59 PM
Cloud cover
42%
4th clearest
Wind
17 km/h
5th windiest
Solar energy
4.1 kWh/m²
Travel score
5.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical December day in Santa Barbara De Samana reaches about 26°C in the afternoon and slips back to 24°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12724
22724
32724
42724
52724
62724
72724
82624
92624
102624
112624
122624
132624
142624
152624
162624
172624
182624
192624
202624
212624
222624
232624
242624
252624
262624
272624
282624
292624
302623
312623

How December really feels in Santa Barbara De Samana

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.

Santa Barbara De Samana weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 23°7818.2115.8
Feb26° / 23°611511.36.2
Mar26° / 23°691511.96.3
Apr27° / 24°8316.112.45.9
May28° / 25°11019.512.95.1
Jun28° / 25°8318.513.14.7
Jul28° / 26°10921.8134.4
Aug29° / 26°11522.712.74.1
Sep29° / 26°1242112.14.1
Oct28° / 25°13023.311.64.2
Nov27° / 25°14321.411.14.9
Dec26° / 24°9319.410.95.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 24% of December, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27921
37921
47921
57921
67921
77921
87822
97822
107822
117822
127822
137822
147822
157822
167921
177921
187921
198020
208020
218020
228020
238119
248119
258119
268119
278119
288119
298119
308119
318119

Chance of precipitation in December

Any precipitation

Santa Barbara De Samana gets around 93 mm of rain over 19.4 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 63% and peaks near 64% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
162
262
362
461
562
662
762
862
962
1062
1162
1262
1362
1462
1562
1662
1762
1862
1962
2063
2163
2263
2363
2463
2564
2664
2764
2864
2964
3063
3163

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10427681
20427681
30426691
40426691
50525691
60524710
70523720
80523720
90522730
100621730
110621730
120621730
130621730
140621730
150621730
160621730
170621730
180622720
190623710
200623710
210624700
220625690
231626670
241627660
251627660
261628650
271629640
281630630
291631620
301532620
311533610

Wind in December

Winds average 17 km/h in December.

Across December, daily wind ranges from about 17 km/h on the calmest days to 18 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
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

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 6:59 AM to 7:15 AM, and sunset from 5:55 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:595:55
210.97:005:55
310.97:015:55
410.97:015:55
510.97:025:56
610.97:025:56
710.97:035:56
810.97:045:56
910.97:045:57
1010.97:055:57
1110.97:055:57
1210.97:065:58
1310.97:065:58
1410.97:075:58
1510.97:075:59
1610.87:085:59
1710.87:095:59
1810.87:096:00
1910.87:106:00
2010.87:106:01
2110.87:116:01
2210.87:116:02
2310.87:126:02
2410.87:126:03
2510.87:126:03
2610.87:136:04
2710.87:136:04
2810.87:146:05
2910.97:146:05
3010.97:146:06
3110.97:156:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.1 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 6.45 kWh/m² in June across the year — December's 4.1 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in December

Hazard calendar for Santa Barbara De Samana

In seasonPeak

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

Santa Barbara De Samana 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 Santa Barbara De Samana?

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

5.5
Sightseeing
5th-best month of the year
5.4
Beach & pool
6th-best month of the year

December is a reasonable time to visit Santa Barbara De Samana for sightseeing.

What to pack for Santa Barbara De Samana in December

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

In December, Santa Barbara De Samana sees daytime highs around 26°C and nights near 24°C. Pack rain gear. Worth having: light clothes. About 19 days see rain.

rain gearlight clothes

Sea temperature near Santa Barbara De Samana in December

The nearest coast averages about 27°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 29°C and coldest in February near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun28Warm
Jul28Tropical
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Santa Barbara De Samana 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 Santa Barbara De Samana peaks around August 16 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 highHighAug 16UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Santa Barbara De Samana 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 Santa Barbara De Samana is worst in July — around 25 µg/m³ PM2.5 (moderate), about 4.6× the cleanest month (December, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1225 µg/m³Dec 225 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar8Good
Apr9Good
May15Moderate
Jun24Moderate
Jul25Moderate
Aug20Moderate
Sep15Moderate
Oct14Moderate
Nov7Good
Dec5Good
Location & terrain

Where is Santa Barbara De Samana?

Santa Barbara De Samana sits at 19.2°N, 69.3°W, 0 m above sea level, in Dominican Republic. The nearest listed city is Las Terrenas, 25 km away.

Las TerrenasMichesHato Mayor del ReySabana Grande de BoyáNaguaSanta Cruz de El SeiboBayaguanaMonte Plata

Topography around Santa Barbara De Samana

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Barbara De Samana.

Within 3 km, the terrain around Santa Barbara De Samana has only modest variations in elevation — a maximum elevation change of 241 m around an average of 60 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 601 m; within 80 km, large variations in elevation — a maximum elevation change of 689 m.

The land around Santa Barbara De Samana is covered by trees (57%) and water (35%) within 3 km, water (55%) and trees (38%) within 16 km, and water (42%), trees (32%) and grassland (22%) within 80 km.

3 km
241 m
16 km
601 m
80 km
689 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Las Terrenas 25 km · Miches 39 km · Hato Mayor del Rey 49 km · Sabana Grande de Boyá 56 km · Nagua 57 km · Santa Cruz de El Seibo 58 km · Bayaguana 60 km · Monte Plata 65 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 Santa Barbara De Samana (19.204°, -69.3341°, elevation 0 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).