San José de Ocoa weather in December

In December, San José de Ocoa sees average daytime highs of 26°C and overnight lows near 20°C, with 33 mm of rain across 8.2 wet days and about 10.9 hours of daylight. It is the 9th-warmest and 10th-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 65% 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 San José de Ocoa's 3rd-clearest and 8th-windiest month. For the whole year in context, see San José de Ocoa's year-round climate.

Daytime high
26°
9th warmest
Overnight low
20°
4th coldest
Rainfall
33 mm
8.2 wet days
Daylight
10 h 54 min
7:11 AM – 6:05 PM
Cloud cover
38%
3rd clearest
Wind
6 km/h
8th windiest
Solar energy
4.28 kWh/m²
Travel score
7.4
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 San José de Ocoa reaches about 26°C in the afternoon and slips back to 20°C overnight — a 6°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.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12620
22620
32620
42620
52620
62620
72620
82620
92620
102620
112620
122620
132620
142620
152620
162620
172620
182620
192620
202620
212620
222620
232620
242620
252620
262620
272620
282620
292620
302620
312520

San José de Ocoa weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 19°299.2117.4
Feb25° / 19°329.411.47.2
Mar26° / 19°5512.811.96.7
Apr26° / 20°8916.812.45.8
May27° / 21°1222112.95.0
Jun27° / 22°7016.413.15.4
Jul28° / 23°6115.8135.4
Aug28° / 23°10618.812.64.8
Sep28° / 22°1132112.14.7
Oct27° / 22°11419.811.65.1
Nov27° / 21°6514.611.16.0
Dec26° / 20°338.210.97.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 18%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27921
38020
48020
58119
68119
78020
88020
98020
108020
117921
128020
138020
148020
158020
168119
178119
188119
198218
208218
218317
228317
238317
248416
258416
268614
278614
288614
298713
308713
318713

Chance of precipitation in December

Any precipitation

San José de Ocoa gets around 33 mm of rain over 8.2 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 27% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
133
232
331
430
529
628
728
827
927
1026
1126
1225
1325
1425
1525
1625
1725
1826
1926
2026
2126
2226
2326
2426
2526
2626
2726
2826
2927
3027
3127

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 69% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1120763
2121753
3121753
4122743
5122743
6123742
7123742
8123742
9124732
10124732
11125731
12126721
13126721
14227701
15227701
16228691
17229681
18230671
19230671
20231661
21232651
22233641
23234631
24235621
25236611
26237601
27238591
28239581
29240571
30241570
31242560

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 7:03 AM to 7:18 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)
111.07:036:01
211.07:036:01
311.07:046:01
410.97:056:01
510.97:056:01
610.97:066:02
710.97:066:02
810.97:076:02
910.97:086:03
1010.97:086:03
1110.97:096:03
1210.97:096:03
1310.97:106:04
1410.97:106:04
1510.97:116:05
1610.97:116:05
1710.97:126:05
1810.97:126:06
1910.97:136:06
2010.97:136:07
2110.97:146:07
2210.97:146:08
2310.97:156:08
2410.97:156:09
2510.97:166:09
2610.97:166:10
2710.97:176:10
2810.97:176:11
2910.97:176:11
3010.97:186:12
3110.97:186:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.28 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.21 kWh/m² in July across the year — December's 4.28 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
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 San José de Ocoa

In seasonPeak

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

San José de Ocoa 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 San José de Ocoa?

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

7.4
Sightseeing
1st-best month of the year
7.0
Beach & pool
1st-best month of the year

December is one of the better times to visit San José de Ocoa for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San José de Ocoa in December

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

In December, San José de Ocoa sees daytime highs around 26°C and nights near 20°C. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

Sea temperature near San José de Ocoa 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 23 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
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in San José de Ocoa 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 San José de Ocoa 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 San José de Ocoa 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 San José de Ocoa is worst in June — around 31 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (February, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2131 µg/m³Feb 1417 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar18Moderate
Apr18Moderate
May23Moderate
Jun31Moderate
Jul29Moderate
Aug26Moderate
Sep25Moderate
Oct26Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is San José de Ocoa?

San José de Ocoa sits at 18.5°N, 70.5°W, 481 m above sea level, in Dominican Republic. The nearest listed city is Azua, 26 km away.

AzuaBaníVilla AltagraciaSan CristóbalBonaoConstanzaBajos de HainaSanto Domingo Oeste

Topography around San José de Ocoa

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San José de Ocoa.

Within 3 km, the terrain around San José de Ocoa has significant variations in elevation — a maximum elevation change of 497 m around an average of 535 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,534 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,072 m.

The land around San José de Ocoa is covered by trees (73%) within 3 km, trees (84%) within 16 km, and trees (50%) and water (27%) within 80 km.

3 km
497 m
16 km
2,534 m
80 km
3,072 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Azua 26 km · Baní 35 km · Villa Altagracia 38 km · San Cristóbal 45 km · Bonao 45 km · Constanza 47 km · Bajos de Haina 52 km · Santo Domingo Oeste 54 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 San José de Ocoa (18.5468°, -70.5069°, elevation 481 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).