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Monthly climate in Uruguaiana, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Uruguaiana features a humid subtropical climate (Cfa). Temperatures typically range between 14 °C (57 °F) and 26 °C (80 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 41 °C (105 °F). The average annual precipitation amounts to about 1297 mm (51.1 inches) and receives 96 rainy days on the 1 mm (0.04 inches) threshold annually. Uruguaiana enjoys an average of 3377 hours of sunshine throughout the year, and daylight varies from 10 hours 14 minutes to 14 hours 0 minutes per day.

Monthly average temperatures in Uruguaiana, Brazil

The warmest months in Uruguaiana are January, February and December, with daily mean temperatures ranging from 25 to 26 °C (78 - 80 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 14 to 16 °C (57 - 60 °F) throughout the day. On average each year, Uruguaiana experiences 194 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 Uruguaiana. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(105°F)		39°C
(103°F)		39°C
(102°F)		35°C
(94°F)		32°C
(89°F)		30°C
(86°F)		30°C
(87°F)		36°C
(96°F)		35°C
(95°F)		38°C
(101°F)		38°C
(102°F)		39°C
(102°F)
Mean maximum37°C
(99°F)		36°C
(98°F)		35°C
(96°F)		32°C
(90°F)		29°C
(84°F)		26°C
(78°F)		29°C
(85°F)		32°C
(91°F)		33°C
(92°F)		35°C
(95°F)		36°C
(97°F)		37°C
(99°F)
Average high32°C
(89°F)		31°C
(88°F)		29°C
(85°F)		26°C
(80°F)		22°C
(71°F)		20°C
(68°F)		19°C
(67°F)		22°C
(71°F)		23°C
(74°F)		26°C
(79°F)		29°C
(84°F)		31°C
(88°F)
Daily mean26°C
(80°F)		25°C
(78°F)		24°C
(75°F)		21°C
(70°F)		17°C
(63°F)		15°C
(59°F)		14°C
(57°F)		16°C
(60°F)		18°C
(65°F)		20°C
(69°F)		23°C
(74°F)		25°C
(78°F)
Average low22°C
(71°F)		20°C
(68°F)		18°C
(66°F)		17°C
(62°F)		13°C
(56°F)		11°C
(52°F)		10°C
(50°F)		11°C
(51°F)		14°C
(57°F)		15°C
(60°F)		17°C
(63°F)		19°C
(67°F)
Mean minimum16°C
(61°F)		13°C
(57°F)		13°C
(55°F)		10°C
(50°F)		6°C
(43°F)		2°C
(37°F)		1°C
(34°F)		2°C
(37°F)		7°C
(45°F)		9°C
(48°F)		12°C
(54°F)		13°C
(56°F)
Minimum15°C
(59°F)		11°C
(52°F)		11°C
(52°F)		7°C
(44°F)		4°C
(39°F)		1°C
(34°F)		-0°C
(32°F)		1°C
(34°F)		5°C
(41°F)		8°C
(47°F)		9°C
(49°F)		10°C
(51°F)

Compare climate in Uruguaiana with other places

Compare temperature, precipitation, sunshine, UV index in Uruguaiana, Brazil with other places around the world.

Monthly average precipitation in Uruguaiana, Brazil

Uruguaiana usually has the most precipitation in January, May and October, with an average of 10 rainy days and 146 mm (5.8 inches) of precipitation per month. The driest months in Uruguaiana are February, July and August. On average, 71 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Uruguaiana. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)167 (6.6)71 (2.8)105 (4.1)125 (4.9)135 (5.3)90 (3.6)60 (2.4)83 (3.3)132 (5.2)137 (5.4)108 (4.3)84 (3.3)
Average precipitation days (≥ 1 mm)11988976691076

Monthly sunshine hours in Uruguaiana, Brazil

The sunniest months in Uruguaiana are March, November and December, when the sun shines an average of 11 hours 5 minutes a day. Least sunny months in Uruguaiana: May, June and July receive an average of 7 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Uruguaiana. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours268316316272226209232280258291327376
Mean daily daylight hours13h 47m13h 5m12h 13m11h 19m10h 36m10h 14m10h 26m11h 4m11h 55m12h 49m13h 36m14h 0m

Solar UV radiation in Uruguaiana, Brazil

Uruguaiana experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Uruguaiana UV Index data.

Average daily maximum UV levels by month for Uruguaiana. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151412965579121414