Cotuí weather in December

In December, Cotuí sees average daytime highs of 27°C and overnight lows near 19°C, with 59 mm of rain across 11.9 wet days and about 10.9 hours of daylight. It is the 10th-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 49% of the time in December, and the air most often feels muggy.

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 Cotuí's 4th-clearest and 10th-windiest month. For the whole year in context, see Cotuí's year-round climate.

Daytime high
27°
10th warmest
Overnight low
19°
4th coldest
Rainfall
59 mm
11.9 wet days
Daylight
10 h 54 min
7:11 AM – 6:03 PM
Cloud cover
46%
4th clearest
Wind
5 km/h
10th windiest
Solar energy
3.87 kWh/m²
Travel score
6.4
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 Cotuí reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°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
42819
52819
62819
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

How December really feels in Cotuí

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.

Cotuí weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°5411.6116.6
Feb27° / 18°4710.211.46.6
Mar28° / 19°6210.211.96.4
Apr29° / 20°10113.712.45.3
May29° / 21°14916.912.94.5
Jun30° / 22°6813.813.14.2
Jul31° / 22°7817.7134.0
Aug31° / 22°8818.312.63.8
Sep31° / 22°9017.212.13.8
Oct30° / 22°9716.911.64.2
Nov28° / 21°9615.611.15.3
Dec27° / 19°5911.910.96.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 26% of December, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27327
37327
47327
57327
67426
77426
87327
97327
107327
117327
127327
137327
147327
157327
167327
177426
187426
197426
207426
217426
227525
237525
247525
257624
267624
277624
287624
297624
307624
317624

Chance of precipitation in December

Any precipitation

Cotuí gets around 59 mm of rain over 11.9 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 39% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
337
437
537
637
737
837
937
1038
1138
1238
1338
1439
1539
1639
1739
1839
1940
2040
2140
2240
2340
2441
2541
2641
2742
2842
2943
3043
3143

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1096724
2096823
30106822
40106921
50107020
61116820
71116919
81117018
91117018
101117117
111117117
121117216
131117315
141117315
151117414
161117513
171117513
181127512
192127412
202127511
212127511
222127610
232127610
242127610
25212779
26212779
27213769
28213778
29213778
30213787
31213787

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 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
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 7:02 AM to 7:18 AM, and sunset from 5:58 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:025:58
210.97:035:59
310.97:045:59
410.97:045:59
510.97:055:59
610.97:055:59
710.97:066:00
810.97:076:00
910.97:076:00
1010.97:086:00
1110.97:086:01
1210.97:096:01
1310.97:096:01
1410.97:106:02
1510.97:106:02
1610.97:116:03
1710.97:126:03
1810.97:126:03
1910.97:136:04
2010.97:136:04
2110.97:146:05
2210.97:146:05
2310.97:146:06
2410.97:156:06
2510.97:156:07
2610.97:166:07
2710.97:166:08
2810.97:176:08
2910.97:176:09
3010.97:176:09
3110.97:186:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.87 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 6.04 kWh/m² in June across the year — December's 3.87 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
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in December

Hazard calendar for Cotuí

In seasonPeak

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

Cotuí 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 Cotuí?

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

6.4
Sightseeing
3rd-best month of the year
6.6
Beach & pool
4th-best month of the year

December is a reasonable time to visit Cotuí for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Cotuí in December

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

In December, Cotuí sees daytime highs around 27°C and nights near 19°C. Pack light clothes. Worth having: rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Cotuí 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 46 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
Apr26Warm
May27Warm
Jun28Warm
Jul28Warm
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Cotuí 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 Cotuí peaks around March 23 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 highHighMar 23UV 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 Cotuí 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 Cotuí 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 Cotuí?

Cotuí sits at 19.1°N, 70.2°W, 58 m above sea level, in Dominican Republic. The nearest listed city is San Francisco de Macorís, 29 km away.

San Francisco de MacorísBonaoSabana Grande de BoyáVilla AltagraciaLa VegaSalcedoMonte PlataNagua

Topography around Cotuí

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

Within 3 km, the terrain around Cotuí has significant variations in elevation — a maximum elevation change of 282 m around an average of 76 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 545 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,805 m.

The land around Cotuí is covered by trees (48%) and grassland (32%) within 3 km, trees (47%) and grassland (32%) within 16 km, and trees (61%) within 80 km.

3 km
282 m
16 km
545 m
80 km
2,805 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: San Francisco de Macorís 29 km · Bonao 30 km · Sabana Grande de Boyá 40 km · Villa Altagracia 42 km · La Vega 44 km · Salcedo 46 km · Monte Plata 47 km · Nagua 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 Cotuí (19.0539°, -70.1512°, elevation 58 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).