Sabana Grande de Boyá weather in December

In December, Sabana Grande de Boyá sees average daytime highs of 27°C and overnight lows near 20°C, with 57 mm of rain across 16.7 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 10th-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 28% 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 Sabana Grande de Boyá's 3rd-clearest and 4th-windiest month. For the whole year in context, see Sabana Grande de Boyá's year-round climate.

Daytime high
27°
11th warmest
Overnight low
20°
4th coldest
Rainfall
57 mm
16.7 wet days
Daylight
10 h 54 min
7:09 AM – 6:01 PM
Cloud cover
53%
3rd clearest
Wind
7 km/h
4th windiest
Solar energy
3.85 kWh/m²
Travel score
5.6
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 Sabana Grande de Boyá reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°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, December runs about 1°C cooler than November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132720
142720
152720
162720
172720
182720
192720
202720
212720
222720
232720
242720
252720
262720
272720
282720
292720
302720
312720

How December really feels in Sabana Grande de Boyá

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.

Sabana Grande de Boyá weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°4815.5115.8
Feb28° / 19°4413.211.45.9
Mar28° / 20°7414.711.95.5
Apr29° / 21°12118.812.44.4
May30° / 22°19922.712.93.7
Jun30° / 23°14821.713.13.4
Jul30° / 23°13923.1133.4
Aug31° / 23°15724.912.63.2
Sep30° / 23°16824.312.13.1
Oct30° / 22°14624.611.63.4
Nov28° / 21°11121.511.14.4
Dec27° / 20°5716.710.95.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 40% of December, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36436
46535
56634
66634
76733
86733
96733
106733
116733
126832
136832
146832
156832
166832
176931
186931
196931
206931
216931
226931
237030
246931
256931
266931
276931
286931
296931
306931
316931

Chance of precipitation in December

Any precipitation

Sabana Grande de Boyá gets around 57 mm of rain over 16.7 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 54% and peaks near 56% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
155
254
354
453
553
652
752
852
952
1052
1153
1253
1353
1454
1554
1654
1755
1855
1956
2056
2156
2256
2356
2456
2556
2656
2755
2855
2955
3054
3154

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
133661
233760
333760
433760
543858
643858
743858
853857
953956
1053956
1153956
1264054
1364054
1464153
1564252
1664252
1774350
1874449
1974548
2074647
2174746
2274845
2374944
2475043
2575241
2675340
2775439
2865638
2965737
3065836
3165935

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 7:01 AM to 7:16 AM, and sunset from 5:57 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:015:57
210.97:015:57
310.97:025:57
410.97:035:58
510.97:035:58
610.97:045:58
710.97:045:58
810.97:055:59
910.97:055:59
1010.97:065:59
1110.97:076:00
1210.97:076:00
1310.97:086:00
1410.97:086:01
1510.97:096:01
1610.97:096:01
1710.97:106:02
1810.97:106:02
1910.97:116:03
2010.97:116:03
2110.97:126:03
2210.97:126:04
2310.97:136:04
2410.97:136:05
2510.97:146:05
2610.97:146:06
2710.97:156:06
2810.97:156:07
2910.97:156:07
3010.97:166:08
3110.97:166:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.85 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 6 kWh/m² in June across the year — December's 3.85 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.9Moderate
313.9Moderate
Planning a trip in December

Hazard calendar for Sabana Grande de Boyá

In seasonPeak

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

Sabana Grande de Boyá 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 Sabana Grande de Boyá?

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

5.6
Sightseeing
3rd-best month of the year
5.8
Beach & pool
4th-best month of the year

December is a reasonable time to visit Sabana Grande de Boyá for sightseeing.

What to pack for Sabana Grande de Boyá in December

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

In December, Sabana Grande de Boyá sees daytime highs around 27°C and nights near 20°C. Pack light clothes and rain gear. About 17 days see rain.

light clothesrain gear

Sea temperature near Sabana Grande de Boyá 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 at the nearest coast (about 48 km away) 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 Sabana Grande de Boyá 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 Sabana Grande de Boyá peaks around August 15 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 highAug 15UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Sabana Grande de Boyá 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 Sabana Grande de Boyá is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2130 µg/m³Dec 2015 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar17Moderate
Apr18Moderate
May23Moderate
Jun31Moderate
Jul29Moderate
Aug25Moderate
Sep23Moderate
Oct24Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Sabana Grande de Boyá?

Sabana Grande de Boyá sits at 18.9°N, 69.8°W, 291 m above sea level, in Dominican Republic. The nearest listed city is Monte Plata, 15 km away.

BayaguanaCotuíLas TerrenasNaguaVilla AltagraciaSanto Domingo EsteCristo Rey

Topography around Sabana Grande de Boyá

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sabana Grande de Boyá.

Within 3 km, the terrain around Sabana Grande de Boyá has only modest variations in elevation — a maximum elevation change of 206 m around an average of 269 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 480 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,012 m.

The land around Sabana Grande de Boyá is covered by grassland (57%) and trees (36%) within 3 km, trees (62%) and grassland (37%) within 16 km, and trees (47%), water (25%) and grassland (21%) within 80 km.

3 km
206 m
16 km
480 m
80 km
2,012 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Monte Plata 15 km · Bayaguana 27 km · Cotuí 40 km · Las Terrenas 48 km · Nagua 49 km · Villa Altagracia 50 km · Santo Domingo Este 51 km · Cristo Rey 52 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 Sabana Grande de Boyá (18.945°, -69.7933°, elevation 291 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).