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Monthly climate in La Romana, Dominican Republic

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification La Romana features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (77 °F) and 28 °C (83 °F) through the year, but rarely can drop to 16 °C (62 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 679 mm (26.7 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually. La Romana enjoys an average of 3843 hours of sunshine throughout the year, and daylight varies from 11 hours 1 minutes to 13 hours 12 minutes per day.

Monthly average temperatures in La Romana, Dominican Republic

The warmest months in La Romana are July, August and September, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 25 to 25 °C (77 - 78 °F) throughout the day. On average each year, La Romana experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in La Romana. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)		31°C
(89°F)		32°C
(89°F)		33°C
(91°F)		33°C
(92°F)		34°C
(93°F)		34°C
(94°F)		34°C
(94°F)		34°C
(94°F)		33°C
(92°F)		33°C
(91°F)		32°C
(90°F)
Mean maximum31°C
(87°F)		31°C
(88°F)		31°C
(88°F)		32°C
(90°F)		33°C
(91°F)		33°C
(92°F)		34°C
(93°F)		34°C
(93°F)		34°C
(93°F)		33°C
(91°F)		32°C
(90°F)		31°C
(89°F)
Average high29°C
(85°F)		29°C
(85°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		31°C
(88°F)		30°C
(87°F)		30°C
(86°F)
Daily mean25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		27°C
(81°F)		26°C
(80°F)		26°C
(79°F)
Average low22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		23°C
(74°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		24°C
(76°F)		23°C
(74°F)		22°C
(73°F)
Mean minimum19°C
(66°F)		20°C
(68°F)		20°C
(69°F)		21°C
(70°F)		23°C
(73°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		21°C
(71°F)		20°C
(68°F)
Minimum16°C
(62°F)		19°C
(67°F)		18°C
(65°F)		20°C
(68°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		24°C
(75°F)		24°C
(75°F)		22°C
(72°F)		21°C
(70°F)		20°C
(68°F)

Compare climate in La Romana with other places

Compare temperature, precipitation, sunshine, UV index in La Romana, Dominican Republic with other places around the world.

Monthly average precipitation in La Romana, Dominican Republic

La Romana usually has the most precipitation in September, October and November, with an average of 17 rainy days and 98 mm (3.9 inches) of precipitation per month. The driest months in La Romana are January, February and December. On average, 24 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in La Romana. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)20 (0.8)22 (0.9)37 (1.4)37 (1.5)62 (2.4)43 (1.7)64 (2.5)71 (2.8)102 (4.0)101 (4.0)92 (3.6)30 (1.2)
Average precipitation days (≥ 1 mm)57109131112141920138

Monthly sunshine hours in La Romana, Dominican Republic

The sunniest months in La Romana are March, April and July, when the sun shines an average of 11 hours 20 minutes a day. Least sunny months in La Romana: January, February and November receive an average of 9 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in La Romana. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours256302344347344343351340312302280316
Mean daily daylight hours11h 9m11h 32m12h 2m12h 33m12h 59m13h 12m13h 5m12h 42m12h 12m11h 41m11h 14m11h 1m

Solar UV radiation in La Romana, Dominican Republic

La Romana experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly La Romana UV Index data.

Average daily maximum UV levels by month for La Romana. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131313121313131198