San Pedro de Macoris weather in December

In December, San Pedro de Macoris sees average daytime highs of 28°C and overnight lows near 24°C, with 23 mm of rain across 5.1 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 28°C through the month. The sky is clear or mostly clear about 66% of the time in December, and the air most often feels oppressive.

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 Pedro de Macoris's 3rd-clearest and 2nd-windiest month. For the whole year in context, see San Pedro de Macoris's year-round climate.

Daytime high
28°
9th warmest
Overnight low
24°
4th coldest
Rainfall
23 mm
5.1 wet days
Daylight
10 h 54 min
7:06 AM – 6:00 PM
Cloud cover
38%
3rd clearest
Wind
16 km/h
2nd windiest
Solar energy
4.1 kWh/m²
Travel score
7.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in San Pedro de Macoris reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°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 on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202823
212823
222823
232823
242823
252823
262823
272823
282823
292723
302723
312723

How December really feels in San Pedro de Macoris

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.

San Pedro de Macoris 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° / 23°174.1117.8
Feb27° / 23°133.311.47.9
Mar27° / 23°204.711.97.6
Apr28° / 24°367.612.46.7
May29° / 25°8513.912.95.3
Jun29° / 25°6512.613.14.9
Jul30° / 26°6712.2134.9
Aug30° / 26°9214.612.64.5
Sep30° / 26°12217.512.14.3
Oct29° / 25°10117.511.64.6
Nov28° / 24°6712.211.15.7
Dec28° / 24°235.110.97.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% 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 16%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18119
28119
38119
48218
58218
68218
78218
88218
98119
108119
118119
128119
138218
148218
158218
168218
178317
188317
198317
208317
218416
228515
238614
248614
258713
268713
278713
288812
298812
308812
318812

Chance of precipitation in December

Any precipitation

San Pedro de Macoris gets around 23 mm of rain over 5.1 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 17% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
121
220
320
419
519
618
718
818
917
1017
1117
1216
1316
1416
1516
1616
1716
1816
1916
2016
2116
2216
2316
2416
2515
2615
2715
2815
2915
3015
3115

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
122771
222870
332869
432869
532869
632869
732869
842868
942769
1042769
1142769
1252768
1352867
1452867
1552867
1652867
1752966
1852966
1963064
2063163
2163262
2263361
2363460
2463559
2563658
2653758
2753857
2854055
2954154
3054352
3144452

Wind in December

Winds average 16 km/h in December.

Across December, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light 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 6:58 AM to 7:13 AM, and sunset from 5:56 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:585:56
211.06:585:56
311.06:595:56
410.97:005:57
510.97:005:57
610.97:015:57
710.97:015:57
810.97:025:58
910.97:035:58
1010.97:035:58
1110.97:045:59
1210.97:045:59
1310.97:055:59
1410.97:056:00
1510.97:066:00
1610.97:066:00
1710.97:076:01
1810.97:086:01
1910.97:086:02
2010.97:096:02
2110.97:096:02
2210.97:096:03
2310.97:106:03
2410.97:106:04
2510.97:116:04
2610.97:116:05
2710.97:126:05
2810.97:126:06
2910.97:126:06
3010.97:136:07
3110.97:136:08

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 6.08 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 San Pedro de Macoris

In seasonPeak

None of San Pedro de Macoris'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 Pedro de Macoris sits in the Atlantic hurricane belt; the season peaks August–October.

San Pedro de Macoris'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 San Pedro de Macoris?

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

7.5
Sightseeing
4th-best month of the year
7.9
Beach & pool
4th-best month of the year

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

What to pack for San Pedro de Macoris in December

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

In December, San Pedro de Macoris sees daytime highs around 28°C and nights near 24°C. Pack light clothes. About 5 days see rain.

light clothes

Sea temperature near San Pedro de Macoris 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 offshore 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
Nov28Tropical
Dec28Warm

UV index in San Pedro de Macoris 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 Pedro de Macoris peaks around March 24 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 highMar 24UV 12Dec 13UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in San Pedro de Macoris 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 Pedro de Macoris is worst in June — around 27 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2327 µg/m³Dec 218 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar11Good
Apr11Good
May18Moderate
Jun27Moderate
Jul27Moderate
Aug23Moderate
Sep18Moderate
Oct18Moderate
Nov11Good
Dec8Good
Location & terrain

Where is San Pedro de Macoris?

San Pedro de Macoris sits at 18.5°N, 69.3°W, 6 m above sea level, in Dominican Republic. The nearest listed city is Quisqueya, 15 km away.

Boca ChicaHato Mayor del ReyLa RomanaSanta Cruz de El SeiboBayaguanaSanto Domingo EsteVilla Francisca

Topography around San Pedro de Macoris

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

Within 3 km, the terrain around San Pedro de Macoris has only modest variations in elevation — a maximum elevation change of 24 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, large variations in elevation — a maximum elevation change of 684 m.

The land around San Pedro de Macoris is covered by artificial surfaces (45%) and water (20%) within 3 km, water (41%) and grassland (30%) within 16 km, and water (39%), trees (29%) and grassland (27%) within 80 km.

3 km
24 m
16 km
72 m
80 km
684 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Quisqueya 15 km · Boca Chica 31 km · Hato Mayor del Rey 35 km · La Romana 36 km · Santa Cruz de El Seibo 45 km · Bayaguana 48 km · Santo Domingo Este 57 km · Villa Francisca 61 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 Pedro de Macoris (18.4539°, -69.3086°, elevation 6 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).