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Monthly climate in Arroyo Salado, Dominican Republic

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Arroyo Salado features a tropical rainforest climate (Af). Temperatures typically range between 24 °C (75 °F) and 27 °C (81 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 1569 mm (61.8 inches) and receives 269 rainy days on the 1 mm (0.04 inches) threshold annually. Arroyo Salado enjoys an average of 3887 hours of sunshine throughout the year, and daylight varies from 10 hours 57 minutes to 13 hours 16 minutes per day.

Monthly average temperatures in Arroyo Salado, Dominican Republic

The warmest months in Arroyo Salado are July, August and September, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 24 to 24 °C (75 - 75 °F) throughout the day. On average each year, Arroyo Salado experiences 323 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 Arroyo Salado. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(85°F)		30°C
(86°F)		31°C
(87°F)		33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		33°C
(91°F)		33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		32°C
(89°F)		30°C
(87°F)
Mean maximum29°C
(85°F)		29°C
(84°F)		30°C
(86°F)		31°C
(88°F)		32°C
(90°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		32°C
(91°F)		32°C
(90°F)		31°C
(88°F)		30°C
(86°F)
Average high27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		28°C
(83°F)		29°C
(85°F)		30°C
(86°F)		30°C
(86°F)		30°C
(87°F)		31°C
(87°F)		30°C
(86°F)		29°C
(84°F)		28°C
(82°F)
Daily mean24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		25°C
(77°F)		26°C
(79°F)		26°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		25°C
(78°F)		24°C
(76°F)
Average low20°C
(69°F)		21°C
(69°F)		21°C
(70°F)		22°C
(72°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		23°C
(74°F)		22°C
(73°F)		21°C
(71°F)
Mean minimum18°C
(65°F)		19°C
(67°F)		19°C
(66°F)		20°C
(67°F)		21°C
(71°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		21°C
(69°F)		19°C
(67°F)
Minimum16°C
(61°F)		18°C
(65°F)		17°C
(63°F)		19°C
(66°F)		20°C
(68°F)		21°C
(70°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		19°C
(67°F)		19°C
(66°F)

Compare climate in Arroyo Salado with other places

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

Monthly average precipitation in Arroyo Salado, Dominican Republic

Arroyo Salado usually has the most precipitation in March, September and October, with an average of 23 rainy days and 171 mm (6.7 inches) of precipitation per month. The driest months in Arroyo Salado are January, February and December. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Arroyo Salado. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)79 (3.1)92 (3.6)164 (6.5)107 (4.2)141 (5.6)113 (4.5)137 (5.4)139 (5.5)194 (7.6)153 (6.0)151 (5.9)98 (3.8)
Average precipitation days (≥ 1 mm)162220202322262627232222

Monthly sunshine hours in Arroyo Salado, Dominican Republic

The sunniest months in Arroyo Salado are June, July and August, when the sun shines an average of 11 hours 35 minutes a day. Least sunny months in Arroyo Salado: January, February and November receive an average of 9 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Arroyo Salado. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours251301337342346355361349319318289314
Mean daily daylight hours11h 5m11h 30m12h 2m12h 35m13h 3m13h 16m13h 9m12h 44m12h 12m11h 40m11h 11m10h 57m

Solar UV radiation in Arroyo Salado, Dominican Republic

Arroyo Salado experiences the highest level of ultraviolet (UV) radiation in April, May and August, 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 Arroyo Salado UV Index data.

Average daily maximum UV levels by month for Arroyo Salado. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131313121313121198