Santa Cruz de El Seibo weather in December

In December, Santa Cruz de El Seibo sees average daytime highs of 28°C and overnight lows near 22°C, with 45 mm of rain across 12.9 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 28°C through the month. The sky is clear or mostly clear about 48% 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 Santa Cruz de El Seibo's 3rd-clearest and 4th-windiest month. For the whole year in context, see Santa Cruz de El Seibo's year-round climate.

Daytime high
28°
10th warmest
Overnight low
22°
4th coldest
Rainfall
45 mm
12.9 wet days
Daylight
10 h 54 min
7:06 AM – 5:59 PM
Cloud cover
45%
3rd clearest
Wind
10 km/h
4th windiest
Solar energy
4.16 kWh/m²
Travel score
6.0
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 Santa Cruz de El Seibo reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°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.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142822
152822
162822
172822
182822
192822
202822
212822
222822
232822
242822
252822
262822
272822
282822
292822
302822
312822

How December really feels in Santa Cruz de El Seibo

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 Cruz de El Seibo 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
Jan28° / 21°3611.1116.5
Feb28° / 21°319.411.46.5
Mar28° / 21°4610.511.95.9
Apr29° / 22°7714.412.44.9
May30° / 23°14618.712.94.1
Jun31° / 24°9815.713.13.9
Jul31° / 24°10117.7133.9
Aug31° / 24°12220.412.63.5
Sep31° / 24°14822.112.13.3
Oct30° / 24°13522.911.63.5
Nov29° / 23°10018.311.14.5
Dec28° / 22°4512.910.96.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 30% of December, with mostly cloudy or overcast conditions the remaining 22%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27624
37624
47723
57723
67723
77624
87624
97624
107624
117624
127723
137723
147822
157822
167822
177822
187822
197822
207822
217921
227921
237921
248020
258020
268020
278020
288119
298119
308020
318020

Chance of precipitation in December

Any precipitation

Santa Cruz de El Seibo gets around 45 mm of rain over 12.9 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 41% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
342
442
542
641
741
841
941
1041
1141
1241
1341
1441
1541
1641
1741
1841
1942
2042
2142
2242
2341
2441
2541
2641
2741
2840
2940
3040
3140

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1226702
2226702
3226702
4226702
5326701
6326701
7326701
8426691
9426691
10426691
11526681
12526690
13526690
14526690
15526690
16627670
17627670
18628660
19628660
20629650
21630640
22631630
23632620
24634600
25635590
26636580
27637570
28638560
29540550
30541540
31542530

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 6:57 AM to 7:13 AM, and sunset from 5:54 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:575:54
210.96:585:55
310.96:595:55
410.96:595:55
510.97:005:55
610.97:005:55
710.97:015:56
810.97:025:56
910.97:025:56
1010.97:035:57
1110.97:035:57
1210.97:045:57
1310.97:045:58
1410.97:055:58
1510.97:055:58
1610.97:065:59
1710.97:075:59
1810.97:075:59
1910.97:086:00
2010.97:086:00
2110.97:096:01
2210.97:096:01
2310.97:096:02
2410.97:106:02
2510.97:106:03
2610.97:116:03
2710.97:116:04
2810.97:126:04
2910.97:126:05
3010.97:126:05
3110.97:136:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.16 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.32 kWh/m² in June across the year — December's 4.16 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in December

Hazard calendar for Santa Cruz de El Seibo

In seasonPeak

None of Santa Cruz de El Seibo'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 Cruz de El Seibo 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 Cruz de El Seibo?

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

6.0
Sightseeing
3rd-best month of the year
6.6
Beach & pool
4th-best month of the year

December is a reasonable time to visit Santa Cruz de El Seibo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santa Cruz de El Seibo in December

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

In December, Santa Cruz de El Seibo sees daytime highs around 28°C and nights near 22°C. Pack light clothes. Worth having: rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Santa Cruz de El Seibo 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 41 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
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Santa Cruz de El Seibo 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 Cruz de El Seibo 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 highAug 16UV 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 Santa Cruz de El Seibo 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 Cruz de El Seibo 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 Santa Cruz de El Seibo?

Santa Cruz de El Seibo sits at 18.8°N, 69.0°W, 91 m above sea level, in Dominican Republic. The nearest listed city is Hato Mayor del Rey, 23 km away.

Hato Mayor del ReyMichesSalvaleón de HigüeyLa RomanaSan Pedro de MacorisQuisqueyaSanta Barbara De SamanaBayaguana

Topography around Santa Cruz de El Seibo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Cruz de El Seibo.

Within 3 km, the terrain around Santa Cruz de El Seibo has only modest variations in elevation — a maximum elevation change of 154 m around an average of 104 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 633 m; within 80 km, large variations in elevation — a maximum elevation change of 673 m.

The land around Santa Cruz de El Seibo is covered by grassland (76%) within 3 km, grassland (62%) and trees (35%) within 16 km, and water (46%), trees (27%) and grassland (23%) within 80 km.

3 km
154 m
16 km
633 m
80 km
673 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Hato Mayor del Rey 23 km · Miches 24 km · Salvaleón de Higüey 39 km · La Romana 39 km · San Pedro de Macoris 45 km · Quisqueya 45 km · Santa Barbara De Samana 58 km · Bayaguana 63 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 Cruz de El Seibo (18.7648°, -69.0399°, elevation 91 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).