Rio Grande do Sul weather in July
July is one of the least pleasant months in Rio Grande do Sul: highs of 18°C (65°F) and about 149 mm (5.9 in) of rain on average. Nights average 9°C (48°F) and cloud cover 58% (NASA POWER, 2001–2025 averages). It is the 3rd wettest month of the year and the coolest. Compared with June, it is cooler and wetter; August brings highs of 20°C (69°F) and 116 mm (4.6 in) of rain.
Figures are long-term averages for Porto Alegre, the largest city in Rio Grande do Sul. See below for other places.
Is July a good time to visit Rio Grande do Sul?
least pleasant month Weather score 59/100.
July is one of the least pleasant months for weather in Rio Grande do Sul. For better conditions, consider Feb–May, Aug, Nov–Dec.
Does it rain a lot in Rio Grande do Sul in July?
Some rain is normal: about 149 mm (5.9 in) falls in an average July. It is the 3rd wettest month of the year.
How warm is Rio Grande do Sul in July?
Days average 18°C (65°F) and nights 9°C (48°F).
Rio Grande do Sul weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 29°C (85°F) | 20°C (67°F) | 120 mm | 58% | fair |
| February | 30°C (85°F) | 20°C (68°F) | 103 mm | 55% | best |
| March | 28°C (83°F) | 18°C (65°F) | 103 mm | 56% | best |
| April | 26°C (78°F) | 16°C (60°F) | 98 mm | 56% | best |
| May | 21°C (70°F) | 12°C (54°F) | 112 mm | 60% | best |
| June | 19°C (66°F) | 10°C (50°F) | 113 mm | 62% | fair |
| July | 18°C (65°F) | 9°C (48°F) | 149 mm | 58% | least pleasant |
| August | 20°C (69°F) | 10°C (50°F) | 116 mm | 56% | best |
| September | 22°C (71°F) | 12°C (53°F) | 157 mm | 62% | least pleasant |
| October | 24°C (75°F) | 14°C (57°F) | 155 mm | 63% | least pleasant |
| November | 26°C (79°F) | 16°C (60°F) | 110 mm | 54% | best |
| December | 28°C (83°F) | 18°C (64°F) | 110 mm | 55% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Rio Grande do Sul in July
Weather can differ a lot within Rio Grande do Sul: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Porto Alegre | 18°C (65°F) | 9°C (48°F) | 149 mm | least pleasant |
| Caxias do Sul | 17°C (62°F) | 7°C (44°F) | 155 mm | least pleasant |
| Pelotas | 16°C (61°F) | 8°C (47°F) | 101 mm | least pleasant |
| Canoas | 18°C (65°F) | 9°C (48°F) | 149 mm | least pleasant |
| Santa Maria | 18°C (64°F) | 7°C (44°F) | 131 mm | fair |
| Gravataí | 18°C (65°F) | 9°C (48°F) | 149 mm | least pleasant |
| Novo Hamburgo | 18°C (64°F) | 9°C (47°F) | 156 mm | least pleasant |
| Viamão | 18°C (65°F) | 9°C (48°F) | 149 mm | least pleasant |
| Passo Fundo | 18°C (64°F) | 7°C (44°F) | 137 mm | fair |
| São Leopoldo | 18°C (65°F) | 9°C (48°F) | 149 mm | least pleasant |
| Rio Grande | 15°C (59°F) | 12°C (53°F) | 116 mm | least pleasant |
| Alvorada | 18°C (65°F) | 9°C (48°F) | 149 mm | least pleasant |