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Monthly climate in Arroio Grande, Rio Grande do Sul, Brazil

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Arroio Grande features a humid subtropical climate (Cfa). Temperatures typically range between 13 °C (55 °F) and 24 °C (76 °F) through the year, but rarely can drop to 2 °C (36 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1246 mm (49.0 inches) and receives 114 rainy days on the 1 mm (0.04 inches) threshold annually. Arroio Grande enjoys an average of 3330 hours of sunshine throughout the year, and daylight varies from 10 hours 3 minutes to 14 hours 12 minutes per day.

Monthly average temperatures in Arroio Grande, Rio Grande do Sul, Brazil §

The warmest months in Arroio Grande are January, February and December, with daily mean temperatures ranging from 22 to 24 °C (72 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 13 to 14 °C (55 - 57 °F) throughout the day. On average each year, Arroio Grande experiences 124 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 Arroio Grande, Rio Grande do Sul, 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 37°C
(99°F)		 35°C
(95°F)		 35°C
(95°F)		 32°C
(90°F)		 29°C
(85°F)		 26°C
(78°F)		 27°C
(81°F)		 30°C
(86°F)		 30°C
(86°F)		 31°C
(89°F)		 34°C
(93°F)		 34°C
(94°F)
Mean maximum 34°C
(93°F)		 33°C
(91°F)		 32°C
(90°F)		 30°C
(85°F)		 27°C
(81°F)		 22°C
(72°F)		 26°C
(79°F)		 27°C
(81°F)		 28°C
(82°F)		 30°C
(86°F)		 32°C
(91°F)		 33°C
(91°F)
Average high 28°C
(83°F)		 28°C
(82°F)		 26°C
(80°F)		 24°C
(75°F)		 20°C
(68°F)		 18°C
(64°F)		 17°C
(63°F)		 18°C
(65°F)		 19°C
(67°F)		 22°C
(72°F)		 25°C
(77°F)		 27°C
(81°F)
Daily mean 24°C
(76°F)		 23°C
(74°F)		 22°C
(72°F)		 20°C
(68°F)		 16°C
(61°F)		 14°C
(57°F)		 13°C
(55°F)		 14°C
(57°F)		 16°C
(61°F)		 18°C
(64°F)		 20°C
(69°F)		 22°C
(72°F)
Average low 20°C
(69°F)		 20°C
(68°F)		 18°C
(65°F)		 17°C
(62°F)		 13°C
(55°F)		 11°C
(52°F)		 10°C
(49°F)		 10°C
(51°F)		 13°C
(55°F)		 14°C
(58°F)		 16°C
(61°F)		 18°C
(65°F)
Mean minimum 15°C
(60°F)		 15°C
(59°F)		 14°C
(57°F)		 11°C
(53°F)		 7°C
(45°F)		 4°C
(40°F)		 3°C
(37°F)		 4°C
(39°F)		 7°C
(45°F)		 9°C
(48°F)		 10°C
(51°F)		 13°C
(56°F)
Minimum 14°C
(58°F)		 13°C
(56°F)		 12°C
(54°F)		 9°C
(49°F)		 5°C
(41°F)		 4°C
(39°F)		 2°C
(36°F)		 2°C
(37°F)		 4°C
(40°F)		 8°C
(46°F)		 9°C
(49°F)		 10°C
(51°F)

Compare climate in Arroio Grande with other places

Compare temperature, precipitation, sunshine, UV index in Arroio Grande, Rio Grande do Sul, Brazil with other places around the world.

Monthly average precipitation in Arroio Grande, Rio Grande do Sul, Brazil §

Arroio Grande usually has the most precipitation in January, September and October, with an average of 11 rainy days and 141 mm (5.5 inches) of precipitation per month. The driest months in Arroio Grande are March, April and December. On average, 75 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Arroio Grande, Rio Grande do Sul, 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) 135 (5.3) 98 (3.9) 74 (2.9) 79 (3.1) 88 (3.5) 101 (4.0) 112 (4.4) 119 (4.7) 153 (6.0) 135 (5.3) 80 (3.1) 72 (2.9)
Average precipitation days (≥ 1 mm) 11 11 10 9 9 9 9 8 11 11 8 8

Monthly sunshine hours in Arroio Grande, Rio Grande do Sul, Brazil §

The sunniest months in Arroio Grande are March, November and December, when the sun shines an average of 11 hours 10 minutes a day. Least sunny months in Arroio Grande: June, July and September receive an average of 7 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Arroio Grande, Rio Grande do Sul, 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 283 315 320 266 237 214 227 242 234 281 334 373
Mean daily daylight hours 13h 58m 13h 12m 12h 14m 11h 14m 10h 26m 10h 3m 10h 15m 10h 58m 11h 54m 12h 53m 13h 46m 14h 12m

Solar UV radiation in Arroio Grande, Rio Grande do Sul, Brazil §

Arroio Grande experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Arroio Grande UV Index data.

Average daily maximum UV levels by month for Arroio Grande, Rio Grande do Sul, 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) 14 13 12 8 5 4 4 6 9 11 13 14

Detailed Monthly Weather Insights for Arroio Grande, Rio Grande do Sul, Brazil

Discover in-depth weather details for every month in Arroio Grande. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Arroio Grande's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.