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Monthly climate in Araruama, Rio de Janeiro, Brazil

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Araruama features a tropical savanna climate (Aw).Temperatures typically range between 21 °C (70 °F) and 26 °C (80 °F) through the year, but rarely can drop to 14 °C (58 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 1267 mm (49.9 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually.Araruama enjoys an average of 3586 hours of sunshine throughout the year, and daylight varies from 10 hours 44 minutes to 13 hours 30 minutes per day.

Monthly average temperatures in Araruama, Rio de Janeiro, Brazil §

The warmest months in Araruama are January, February and March, with daily mean temperatures ranging from 26 to 26 °C (79 - 80 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 21 to 22 °C (70 - 72 °F) throughout the day. On average each year, Araruama experiences 230 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 Araruama, 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 33°C
(92°F)		 33°C
(92°F)		 33°C
(91°F)		 33°C
(91°F)		 32°C
(89°F)		 31°C
(88°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(91°F)		 33°C
(92°F)		 33°C
(91°F)		 31°C
(89°F)
Mean maximum 33°C
(91°F)		 32°C
(89°F)		 32°C
(90°F)		 32°C
(90°F)		 30°C
(87°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 31°C
(88°F)		 31°C
(89°F)		 31°C
(88°F)		 31°C
(88°F)
Average high 29°C
(85°F)		 28°C
(83°F)		 29°C
(84°F)		 27°C
(81°F)		 26°C
(78°F)		 25°C
(78°F)		 24°C
(76°F)		 24°C
(76°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(78°F)		 27°C
(81°F)
Daily mean 26°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)		 24°C
(76°F)		 23°C
(73°F)		 22°C
(72°F)		 21°C
(70°F)		 21°C
(70°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 25°C
(77°F)
Average low 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(72°F)		 20°C
(68°F)		 19°C
(67°F)		 18°C
(65°F)		 18°C
(66°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(71°F)		 23°C
(73°F)
Mean minimum 22°C
(72°F)		 22°C
(71°F)		 21°C
(71°F)		 19°C
(67°F)		 17°C
(63°F)		 17°C
(63°F)		 16°C
(60°F)		 16°C
(60°F)		 18°C
(64°F)		 18°C
(65°F)		 18°C
(65°F)		 19°C
(67°F)
Minimum 21°C
(69°F)		 21°C
(69°F)		 20°C
(68°F)		 18°C
(65°F)		 16°C
(61°F)		 16°C
(61°F)		 14°C
(58°F)		 14°C
(58°F)		 16°C
(61°F)		 17°C
(62°F)		 17°C
(63°F)		 18°C
(65°F)

Compare climate in Araruama with other places

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

Monthly average precipitation in Araruama, Rio de Janeiro, Brazil §

Araruama usually has the most precipitation in March, November and December, with an average of 16 rainy days and 182 mm (7.2 inches) of precipitation per month.The driest months in Araruama are June, July and September. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Araruama, 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) 102 (4.0) 156 (6.1) 172 (6.8) 80 (3.1) 72 (2.9) 43 (1.7) 32 (1.3) 68 (2.7) 61 (2.4) 107 (4.2) 192 (7.6) 181 (7.1)
Average precipitation days (≥ 1 mm) 11 16 16 12 10 9 7 9 8 15 16 17

Monthly sunshine hours in Araruama, Rio de Janeiro, Brazil §

The sunniest months in Araruama are March, November and December, when the sun shines an average of 10 hours 25 minutes a day.Least sunny months in Araruama: January, February and June receive an average of 9 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Araruama, 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 286 280 321 303 287 283 294 288 304 296 304 333
Mean daily daylight hours 13h 20m 12h 50m 12h 11m 11h 31m 10h 59m 10h 44m 10h 52m 11h 20m 11h 57m 12h 37m 13h 12m 13h 30m

Solar UV radiation in Araruama, Rio de Janeiro, Brazil §

Araruama experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 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 Araruama UV Index data.

Average daily maximum UV levels by month for Araruama, 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 14 13 11 8 6 7 9 11 13 14 15