Monthly climate in Santa Rosa, Rio Grande do Sul, Brazil

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Santa Rosa features a humid subtropical climate (Cfa). Temperatures typically range between 15 °C (60 °F) and 26 °C (79 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 1476 mm (58.1 inches) and receives 116 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Rosa enjoys an average of 3367 hours of sunshine throughout the year, and daylight varies from 10 hours 23 minutes to 13 hours 51 minutes per day.

Monthly average temperatures in Santa Rosa, Rio Grande do Sul, Brazil §

The warmest months in Santa Rosa are January, February and December, with daily mean temperatures ranging from 25 to 26 °C (77 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 15 to 17 °C (60 - 63 °F) throughout the day. On average each year, Santa Rosa experiences 217 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 Santa Rosa, 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 40°C
(104°F)
38°C
(101°F)
37°C
(100°F)
35°C
(95°F)
33°C
(92°F)
30°C
(87°F)
30°C
(87°F)
36°C
(97°F)
36°C
(96°F)
38°C
(101°F)
38°C
(101°F)
39°C
(103°F)
Mean maximum 36°C
(97°F)
36°C
(96°F)
36°C
(97°F)
33°C
(91°F)
30°C
(86°F)
27°C
(80°F)
29°C
(85°F)
33°C
(92°F)
35°C
(95°F)
35°C
(95°F)
36°C
(96°F)
38°C
(100°F)
Average high 31°C
(89°F)
31°C
(88°F)
30°C
(86°F)
27°C
(81°F)
23°C
(73°F)
21°C
(70°F)
21°C
(70°F)
23°C
(74°F)
26°C
(79°F)
27°C
(81°F)
30°C
(85°F)
32°C
(89°F)
Daily mean 26°C
(79°F)
25°C
(77°F)
24°C
(75°F)
21°C
(71°F)
18°C
(64°F)
16°C
(61°F)
15°C
(60°F)
17°C
(63°F)
20°C
(69°F)
22°C
(72°F)
24°C
(75°F)
26°C
(79°F)
Average low 22°C
(71°F)
20°C
(69°F)
19°C
(67°F)
17°C
(63°F)
14°C
(58°F)
12°C
(54°F)
11°C
(52°F)
12°C
(54°F)
16°C
(60°F)
17°C
(63°F)
18°C
(65°F)
20°C
(68°F)
Mean minimum 17°C
(62°F)
14°C
(58°F)
13°C
(56°F)
11°C
(51°F)
7°C
(45°F)
3°C
(38°F)
2°C
(35°F)
3°C
(38°F)
9°C
(48°F)
11°C
(52°F)
13°C
(55°F)
15°C
(59°F)
Minimum 15°C
(59°F)
11°C
(53°F)
12°C
(54°F)
7°C
(45°F)
5°C
(41°F)
1°C
(34°F)
-0°C
(32°F)
0°C
(32°F)
6°C
(43°F)
9°C
(48°F)
11°C
(52°F)
12°C
(53°F)

Compare climate in Santa Rosa with other places

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

Monthly average precipitation in Santa Rosa, Rio Grande do Sul, Brazil §

Santa Rosa usually has the most precipitation in January, May and October, with an average of 12 rainy days and 173 mm (6.8 inches) of precipitation per month. The driest months in Santa Rosa are July, August and December. On average, 86 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santa Rosa, 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) 148 (5.8) 104 (4.1) 115 (4.5) 113 (4.5) 198 (7.8) 126 (5.0) 98 (3.9) 77 (3.0) 116 (4.5) 174 (6.9) 124 (4.9) 83 (3.3)
Average precipitation days (≥ 1 mm) 13 13 10 7 11 9 7 6 9 12 9 10

Monthly sunshine hours in Santa Rosa, Rio Grande do Sul, Brazil §

The sunniest months in Santa Rosa are March, November and December, when the sun shines an average of 10 hours 50 minutes a day. Least sunny months in Santa Rosa: May, June and July receive an average of 7 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santa Rosa, 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 260 306 307 273 233 219 250 274 263 287 318 370
Mean daily daylight hours 13h 39m 13h 1m 12h 12m 11h 23m 10h 42m 10h 23m 10h 33m 11h 9m 11h 56m 12h 45m 13h 29m 13h 51m

Solar UV radiation in Santa Rosa, Rio Grande do Sul, Brazil §

Santa Rosa 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 Santa Rosa UV Index data.

Average daily maximum UV levels by month for Santa Rosa, 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) 15 14 12 10 6 5 6 7 10 13 14 14

Detailed Monthly Weather Insights for Santa Rosa, Rio Grande do Sul, Brazil

Discover in-depth weather details for every month in Santa Rosa. 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 Santa Rosa'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.