La Romana climate

Name: La Romana
Address: DO

La Romana is warmest in July, with average highs of 32 °C, and coldest in February, when nights average 22 °C. September is the wettest month (103 mm) and February the driest (16 mm). Figures are 1991–2020 climate normals.

Across a full year La Romana averages 673 mm of rain and 365 days above 25 °C.

Dominican Republic · population 208,437 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month July 32 °C
Coldest month February 22 °C
Driest month February 16 mm
Wettest month September 103 mm
Least cloud February 31 % cloud
Hottest on record June 35 °C
Coldest on record January 16 °C
Warmest sea September 29 °C

What to expectLa Romana through the year

La Romana has a clear annual cycle: average daily highs run from 29 °C in February to 32 °C in July, a swing of 3.2 °C in mean temperature across the year.

Counted across a normal year, 365 days a year reach 25 °C, 182 of them reach 30 °C. The warmest reading in the 1991–2020 record is 35 °C, in June.

Rain is strongly seasonal. September averages 103 mm against 16 mm in February — 6.2 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off La Romana is warmest in September at 29 °C and coldest in February at 27 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	28.4 °C	19 mm	32 %
February	29.0 °C	16 mm	31 %
March	29.4 °C	25 mm	36 %
April	30.0 °C	42 mm	41 %
May	30.3 °C	87 mm	59 %
June	31.2 °C	58 mm	58 %
July	31.7 °C	60 mm	52 %
August	31.7 °C	79 mm	56 %
September	31.0 °C	103 mm	60 %
October	30.1 °C	93 mm	57 %
November	29.0 °C	67 mm	47 %
December	28.6 °C	24 mm	36 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	28.4 °C	21.8 °C	24.5 °C	31.3 °C	16.0 °C	31	2
February	29.0 °C	21.7 °C	24.7 °C	31.7 °C	18.3 °C	28	5
March	29.4 °C	21.8 °C	25.1 °C	32.6 °C	18.2 °C	31	10
April	30.0 °C	22.7 °C	25.8 °C	32.8 °C	19.4 °C	30	16
May	30.3 °C	23.6 °C	26.4 °C	33.9 °C	19.6 °C	31	19
June	31.2 °C	24.5 °C	27.4 °C	35.4 °C	22.1 °C	30	25
July	31.7 °C	24.8 °C	27.7 °C	34.8 °C	23.2 °C	31	28
August	31.7 °C	24.9 °C	27.7 °C	34.9 °C	22.9 °C	31	28
September	31.0 °C	24.6 °C	27.2 °C	34.3 °C	22.7 °C	30	24
October	30.1 °C	24.1 °C	26.5 °C	33.6 °C	21.8 °C	31	16
November	29.0 °C	23.3 °C	25.6 °C	32.7 °C	19.8 °C	30	6
December	28.6 °C	22.5 °C	25.0 °C	31.8 °C	17.7 °C	31	3

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	19 mm	4	11 h/day	32 %	76 %	17 km/h	26.7 °C
February	16 mm	4	12 h/day	31 %	73 %	17 km/h	26.5 °C
March	25 mm	6	12 h/day	36 %	72 %	16 km/h	26.5 °C
April	42 mm	9	13 h/day	41 %	74 %	16 km/h	27.0 °C
May	87 mm	14	13 h/day	59 %	77 %	15 km/h	27.6 °C
June	58 mm	11	13 h/day	58 %	77 %	16 km/h	28.2 °C
July	60 mm	11	13 h/day	52 %	76 %	17 km/h	28.4 °C
August	79 mm	14	13 h/day	56 %	77 %	16 km/h	28.7 °C
September	103 mm	17	12 h/day	60 %	80 %	14 km/h	29.0 °C
October	93 mm	17	12 h/day	57 %	83 %	13 km/h	28.9 °C
November	67 mm	12	11 h/day	47 %	81 %	15 km/h	28.3 °C
December	24 mm	5	11 h/day	36 %	78 %	16 km/h	27.4 °C

How La Romana compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
La Romana	32 °C	22 °C	673 mm	365
San Pedro de Macorís · Dominican Republic	31 °C	22 °C	737 mm	364
Santo Domingo · Dominican Republic	30 °C	20 °C	1,001 mm	363
Santiago de los Caballeros · Dominican Republic	33 °C	19 °C	712 mm	350
San Juan · Puerto Rico	31 °C	21 °C	903 mm	364

Where La Romana ranks

Ranking	Position	Value
The warmest places in North America in November	20th of 50	29 °C
The warmest places in North America in December	23rd of 50	29 °C
The warmest places in North America in January	23rd of 50	28 °C
The warmest places in North America in February	24th of 50	29 °C
The warmest places in North America in October	28th of 50	30 °C
The warmest places in North America year-round	29th of 50	30 °C

Planning a trip? See the best time to visit La Romana.

QuestionsCommon questions about La Romana’s climate

When is the best time to visit La Romana?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, December sit closest to 20 °C on average, July is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does La Romana get?

In July, the warmest month, daily highs average 32 °C. About 182 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.

How cold does it get in winter?

Nights average 22 °C in February, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in La Romana?

September, averaging 103 mm over 17 days with rain. The driest month is February with 16 mm. The year as a whole averages 673 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in La Romana rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 18.423°, -68.966° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.