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Monthly climate in Don Juan, Dominican Republic

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Don Juan features a tropical rainforest climate (Af). Temperatures typically range between 23 °C (74 °F) and 27 °C (80 °F) through the year, but rarely can drop to 14 °C (58 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1228 mm (48.3 inches) and receives 238 rainy days on the 1 mm (0.04 inches) threshold annually. Don Juan enjoys an average of 3845 hours of sunshine throughout the year, and daylight varies from 11 hours 0 minutes to 13 hours 13 minutes per day.

Monthly average temperatures in Don Juan, Dominican Republic

The warmest months in Don Juan are July, August and September, with daily mean temperatures ranging from 27 to 27 °C (80 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 23 to 24 °C (74 - 75 °F) throughout the day. On average each year, Don Juan experiences 328 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 Don Juan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)		31°C
(88°F)		32°C
(90°F)		33°C
(91°F)		32°C
(90°F)		34°C
(93°F)		34°C
(93°F)		34°C
(93°F)		34°C
(94°F)		33°C
(92°F)		32°C
(91°F)		32°C
(90°F)
Mean maximum30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		32°C
(90°F)		32°C
(89°F)		32°C
(91°F)		33°C
(92°F)		34°C
(93°F)		34°C
(93°F)		33°C
(91°F)		32°C
(89°F)		31°C
(88°F)
Average high28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		31°C
(89°F)		32°C
(89°F)		31°C
(89°F)		31°C
(88°F)		30°C
(86°F)		29°C
(85°F)
Daily mean23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		25°C
(77°F)		26°C
(78°F)		26°C
(80°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)		26°C
(79°F)		25°C
(77°F)		24°C
(76°F)
Average low19°C
(67°F)		20°C
(67°F)		20°C
(68°F)		21°C
(70°F)		22°C
(72°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		21°C
(71°F)		20°C
(68°F)
Mean minimum16°C
(62°F)		17°C
(64°F)		17°C
(64°F)		19°C
(66°F)		21°C
(69°F)		21°C
(71°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		21°C
(70°F)		19°C
(67°F)		18°C
(64°F)
Minimum14°C
(58°F)		17°C
(63°F)		15°C
(60°F)		18°C
(64°F)		19°C
(67°F)		18°C
(66°F)		21°C
(70°F)		22°C
(71°F)		21°C
(71°F)		20°C
(69°F)		18°C
(65°F)		17°C
(63°F)

Compare climate in Don Juan with other places

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

Monthly average precipitation in Don Juan, Dominican Republic

Don Juan usually has the most precipitation in July, August and October, with an average of 24 rainy days and 142 mm (5.6 inches) of precipitation per month. The driest months in Don Juan are January, February and December. On average, 56 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Don Juan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)48 (1.9)65 (2.6)74 (2.9)97 (3.8)116 (4.6)100 (3.9)133 (5.2)160 (6.3)123 (4.8)132 (5.2)123 (4.8)56 (2.2)
Average precipitation days (≥ 1 mm)131916182321252521221718

Monthly sunshine hours in Don Juan, Dominican Republic

The sunniest months in Don Juan are May, June and July, when the sun shines an average of 11 hours 20 minutes a day. Least sunny months in Don Juan: January, February and November receive an average of 9 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Don Juan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours253301342341345345352340313306287314
Mean daily daylight hours11h 7m11h 31m12h 2m12h 34m13h 0m13h 13m13h 6m12h 43m12h 12m11h 41m11h 13m11h 0m

Solar UV radiation in Don Juan, Dominican Republic

Don Juan 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 Don Juan UV Index data.

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