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Monthly climate in Rio San Juan, María Trinidad Sánchez, Dominican Republic

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rio San Juan features a tropical rainforest climate (Af).Temperatures typically range between 25 °C (76 °F) and 27 °C (82 °F) through the year, but rarely can drop to 21 °C (69 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 1097 mm (43.2 inches) and receives 238 rainy days on the 1 mm (0.04 inches) threshold annually.Rio San Juan enjoys an average of 3887 hours of sunshine throughout the year, and daylight varies from 10 hours 57 minutes to 13 hours 17 minutes per day.

Monthly average temperatures in Rio San Juan, María Trinidad Sánchez, Dominican Republic §

The warmest months in Rio San Juan are July, August and September, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 25 to 25 °C (76 - 77 °F) throughout the day. On average each year, Rio San Juan experiences 314 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 Rio San Juan, María Trinidad Sánchez, Dominican Republic.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 29°C
(85°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(85°F)
Mean maximum 27°C
(82°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)		 28°C
(83°F)
Average high 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(82°F)		 27°C
(80°F)
Daily mean 25°C
(77°F)		 25°C
(76°F)		 25°C
(76°F)		 25°C
(78°F)		 26°C
(79°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(82°F)		 27°C
(81°F)		 26°C
(80°F)		 25°C
(78°F)
Average low 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(77°F)		 26°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)
Mean minimum 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 22°C
(73°F)		 23°C
(74°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)
Minimum 21°C
(71°F)		 21°C
(69°F)		 21°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)

Compare climate in Rio San Juan with other places

Compare temperature, precipitation, sunshine, UV index in Rio San Juan, María Trinidad Sánchez, Dominican Republic with other places around the world.

Monthly average precipitation in Rio San Juan, María Trinidad Sánchez, Dominican Republic §

Rio San Juan usually has the most precipitation in March, September and November, with an average of 19 rainy days and 122 mm (4.8 inches) of precipitation per month.The driest months in Rio San Juan are January, April and June. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio San Juan, María Trinidad Sánchez, Dominican Republic.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 66 (2.6) 70 (2.7) 112 (4.4) 68 (2.7) 81 (3.2) 60 (2.4) 103 (4.1) 99 (3.9) 145 (5.7) 102 (4.0) 110 (4.3) 83 (3.3)
Average precipitation days (≥ 1 mm) 15 20 18 17 19 19 23 22 20 22 21 22

Monthly sunshine hours in Rio San Juan, María Trinidad Sánchez, Dominican Republic §

The sunniest months in Rio San Juan are June, July and August, when the sun shines an average of 11 hours 35 minutes a day.Least sunny months in Rio San Juan: 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 Rio San Juan, María Trinidad Sánchez, Dominican Republic.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 251 301 337 342 346 355 361 349 319 318 289 314
Mean daily daylight hours 11h 4m 11h 29m 12h 2m 12h 35m 13h 3m 13h 17m 13h 9m 12h 44m 12h 13m 11h 39m 11h 11m 10h 57m

Solar UV radiation in Rio San Juan, María Trinidad Sánchez, Dominican Republic §

Rio San Juan 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 Rio San Juan UV Index data.

Average daily maximum UV levels by month for Rio San Juan, María Trinidad Sánchez, Dominican Republic.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 9 11 13 13 13 12 13 13 12 11 9 8