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Monthly climate in Porto Real, Rio de Janeiro, Brazil

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Porto Real features a humid subtropical climate (Cfa).Temperatures typically range between 18 °C (64 °F) and 24 °C (76 °F) through the year, but rarely can drop to 5 °C (42 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1418 mm (55.8 inches) and receives 155 rainy days on the 1 mm (0.04 inches) threshold annually.Porto Real enjoys an average of 3337 hours of sunshine throughout the year, and daylight varies from 10 hours 46 minutes to 13 hours 28 minutes per day.

Monthly average temperatures in Porto Real, Rio de Janeiro, Brazil §

The warmest months in Porto Real are January, February and March, with daily mean temperatures ranging from 24 to 24 °C (75 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 18 to 19 °C (64 - 66 °F) throughout the day. On average each year, Porto Real experiences 222 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 Porto Real, Rio de Janeiro, Brazil.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 34°C
(94°F)		 35°C
(95°F)		 33°C
(92°F)		 33°C
(91°F)		 30°C
(86°F)		 31°C
(87°F)		 29°C
(85°F)		 32°C
(89°F)		 35°C
(95°F)		 36°C
(97°F)		 34°C
(93°F)		 33°C
(92°F)
Mean maximum 33°C
(92°F)		 33°C
(92°F)		 32°C
(90°F)		 31°C
(88°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 31°C
(88°F)		 34°C
(93°F)		 34°C
(93°F)		 33°C
(91°F)		 32°C
(91°F)
Average high 29°C
(85°F)		 28°C
(83°F)		 29°C
(84°F)		 26°C
(80°F)		 25°C
(77°F)		 25°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 27°C
(82°F)		 27°C
(81°F)		 26°C
(80°F)		 28°C
(82°F)
Daily mean 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 22°C
(71°F)		 19°C
(67°F)		 19°C
(66°F)		 18°C
(64°F)		 18°C
(65°F)		 21°C
(71°F)		 22°C
(72°F)		 22°C
(71°F)		 23°C
(74°F)
Average low 20°C
(69°F)		 20°C
(68°F)		 19°C
(67°F)		 18°C
(64°F)		 15°C
(59°F)		 14°C
(58°F)		 12°C
(54°F)		 13°C
(56°F)		 16°C
(61°F)		 18°C
(65°F)		 18°C
(65°F)		 19°C
(67°F)
Mean minimum 18°C
(65°F)		 18°C
(64°F)		 16°C
(61°F)		 13°C
(56°F)		 9°C
(49°F)		 11°C
(51°F)		 8°C
(47°F)		 9°C
(48°F)		 12°C
(54°F)		 14°C
(58°F)		 14°C
(57°F)		 16°C
(61°F)
Minimum 16°C
(62°F)		 17°C
(62°F)		 14°C
(57°F)		 12°C
(54°F)		 6°C
(43°F)		 8°C
(47°F)		 5°C
(42°F)		 6°C
(42°F)		 11°C
(51°F)		 13°C
(56°F)		 12°C
(55°F)		 13°C
(56°F)

Compare climate in Porto Real with other places

Compare temperature, precipitation, sunshine, UV index in Porto Real, Rio de Janeiro, Brazil with other places around the world.

Monthly average precipitation in Porto Real, Rio de Janeiro, Brazil §

Porto Real usually has the most precipitation in January, February and December, with an average of 19 rainy days and 221 mm (8.7 inches) of precipitation per month.The driest months in Porto Real are June, July and August. On average, 31 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Porto Real, Rio de Janeiro, Brazil.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) 193 (7.6) 208 (8.2) 177 (7.0) 76 (3.0) 54 (2.1) 24 (0.9) 22 (0.9) 49 (1.9) 53 (2.1) 111 (4.4) 190 (7.5) 261 (10.3)
Average precipitation days (≥ 1 mm) 16 19 17 12 7 6 4 7 8 18 19 22

Monthly sunshine hours in Porto Real, Rio de Janeiro, Brazil §

The sunniest months in Porto Real are March, July and September, when the sun shines an average of 9 hours 45 minutes a day.Least sunny months in Porto Real: January, February and November receive an average of 8 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Porto Real, Rio de Janeiro, Brazil.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 242 257 299 285 284 277 299 276 297 267 265 284
Mean daily daylight hours 13h 18m 12h 49m 12h 10m 11h 32m 11h 1m 10h 46m 10h 54m 11h 21m 11h 58m 12h 36m 13h 10m 13h 28m

Solar UV radiation in Porto Real, Rio de Janeiro, Brazil §

Porto Real experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure.May, June and July are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Porto Real UV Index data.

Average daily maximum UV levels by month for Porto Real, Rio de Janeiro, Brazil.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) 16 16 13 11 8 7 8 10 12 13 14 16