Las Terrenas weather in January

In January, Las Terrenas sees average daytime highs of 28°C and overnight lows near 22°C, with 45 mm of rain across 13.1 wet days and about 11 hours of daylight. It is the 12th-warmest and 11th-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 January, and the air most often feels muggy.

Daylight stretches from about 10 h 54 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is Las Terrenas's 2nd-clearest and 4th-windiest month. For the whole year in context, see Las Terrenas's year-round climate.

Daytime high
28°
12th warmest
Overnight low
22°
2nd coldest
Rainfall
45 mm
13.1 wet days
Daylight
11 hours
7:19 AM – 6:16 PM
Cloud cover
45%
2nd clearest
Wind
11 km/h
4th windiest
Solar energy
4.14 kWh/m²
Travel score
6.2
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Las Terrenas 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 30°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°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 January really feels in Las Terrenas

Once humidity and wind are folded in, January 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

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Las Terrenas weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 22°4513.1116.2
Feb28° / 22°4111.511.35.9
Mar29° / 22°5612.711.95.4
Apr30° / 23°7014.812.44.8
May30° / 24°11618.312.93.9
Jun31° / 25°8215.713.13.8
Jul31° / 25°7617133.8
Aug31° / 25°8718.912.73.5
Sep31° / 25°10519.512.13.3
Oct31° / 25°11021.111.63.5
Nov29° / 24°10018.511.14.4
Dec28° / 23°5715.510.95.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 27% of January, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57228
67129
77129
87129
97228
107228
117228
127228
137426
147426
157525
167525
177525
187624
197624
207624
217624
227624
237525
247525
257525
267525
277525
287525
297723
307723
317723

Chance of precipitation in January

Any precipitation

Las Terrenas gets around 45 mm of rain over 13.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
146
246
346
446
546
646
746
846
946
1045
1145
1245
1345
1444
1544
1643
1743
1842
1942
2041
2141
2240
2340
2439
2539
2639
2739
2839
2939
3040
3140

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the muggy band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1143857
2143956
3144154
4144253
5144352
6154550
7154648
8154747
9154946
10155045
11155143
12155242
13155341
14165340
15165538
16165637
17275536
18275635
19275734
20285832
21285832
22285931
23286030
24395830
25395929
26395929
27395929
28396028
29396028
30396028
31396028

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 54 min at the start of January to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 7:16 AM to 7:18 AM, and sunset from 6:07 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:166:07
210.97:166:08
310.97:166:08
410.97:176:09
510.97:176:09
610.97:176:10
710.97:176:10
810.97:186:11
910.97:186:12
1010.97:186:12
1110.97:186:13
1210.97:186:14
1310.97:196:14
1410.97:196:15
1510.97:196:15
1611.07:196:16
1711.07:196:17
1811.07:196:17
1911.07:196:18
2011.07:196:19
2111.07:196:19
2211.07:196:20
2311.07:196:20
2411.07:196:21
2511.07:196:22
2611.17:196:22
2711.17:196:23
2811.17:186:23
2911.17:186:24
3011.17:186:25
3111.17:186:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.14 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.2 kWh/m² in June across the year — January's 4.14 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Moderate
74.0Moderate
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.5Bright
Planning a trip in January

Hazard calendar for Las Terrenas

In seasonPeak

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

Las Terrenas 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 January a good time to visit Las Terrenas?

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

6.2
Sightseeing
1st-best month of the year
6.5
Beach & pool
3rd-best month of the year

January is a reasonable time to visit Las Terrenas for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Las Terrenas in January

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

In January, Las Terrenas 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 Las Terrenas in January

The nearest coast averages about 26°C in January — 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 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 Las Terrenas in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Las Terrenas 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 highHighAug 15UV 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 Las Terrenas in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Las Terrenas is worst in June — around 26 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2326 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr12Good
May18Moderate
Jun26Moderate
Jul26Moderate
Aug21Moderate
Sep18Moderate
Oct18Moderate
Nov11Good
Dec9Good
Location & terrain

Where is Las Terrenas?

Las Terrenas sits at 19.3°N, 69.5°W, 0 m above sea level, in Dominican Republic. The nearest listed city is Santa Barbara De Samana, 25 km away.

Santa Barbara De SamanaNaguaSabana Grande de BoyáMonte PlataBayaguanaMichesHato Mayor del ReyCotuí

Topography around Las Terrenas

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

Within 3 km, the terrain around Las Terrenas has significant variations in elevation — a maximum elevation change of 283 m around an average of 43 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 521 m; within 80 km, large variations in elevation — a maximum elevation change of 971 m.

The land around Las Terrenas is covered by trees (55%) and water (26%) within 3 km, water (60%) and trees (32%) within 16 km, and water (43%) and trees (36%) within 80 km.

3 km
283 m
16 km
521 m
80 km
971 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
January weather nearby: Santa Barbara De Samana 25 km · Nagua 33 km · Sabana Grande de Boyá 48 km · Monte Plata 61 km · Bayaguana 63 km · Miches 63 km · Hato Mayor del Rey 68 km · Cotuí 70 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 Las Terrenas (19.311°, -69.5428°, elevation 0 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).