Porto Alegre weather by month & the best time to visit
Brazil · major city break · humid subtropical climate
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The best time to visit Porto Alegre is April — its sunniest month (Sunshine Score 74/100), with February and March close behind. Porto Alegre averages about 2,283 hours of sunshine a year. Daytime highs around 26°C / 79°F and roughly 98 mm of rain in April.
When is the best time to visit Porto Alegre?
For sunshine, the best time to visit Porto Alegre is April, then February and March. The dullest month is July (59/100, 149 mm of rain). The full month-by-month picture is in the table below.
How sunny is Porto Alegre?
Porto Alegre gets a moderate 2,283 hours of sunshine a year. Conditions barely change through the year — only 15 Sunshine Score points separate April from July. It ranks #95 of 131 destinations in Brazil for annual sunshine, below the national median of 2,486 hours. The year's 1,446 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 70 | 30° / 86°F | 20° / 68°F | 120 mm | 10 |
| February | 73 | 30° / 86°F | 20° / 68°F | 103 mm | 10 |
| March | 73 | 28° / 82°F | 19° / 66°F | 103 mm | 8 |
| April | 74 | 26° / 79°F | 16° / 61°F | 98 mm | 6 |
| May | 72 | 21° / 70°F | 12° / 54°F | 112 mm | 4 |
| June | 66 | 19° / 66°F | 10° / 50°F | 113 mm | 3 |
| July | 59 | 19° / 66°F | 9° / 48°F | 149 mm | 3 |
| August | 71 | 20° / 68°F | 10° / 50°F | 116 mm | 4 |
| September | 65 | 22° / 72°F | 12° / 54°F | 157 mm | 5 |
| October | 65 | 24° / 75°F | 14° / 57°F | 155 mm | 7 |
| November | 72 | 26° / 79°F | 16° / 61°F | 110 mm | 9 |
| December | 72 | 28° / 82°F | 18° / 64°F | 110 mm | 10 |
Nearest destinations
Head-to-head
How Porto Alegre compares month by month: Porto Alegre vs Montevideo · Porto Alegre vs Florianópolis · Porto Alegre vs Chapecó · Porto Alegre vs Navegantes · all comparisons
Porto Alegre: questions and answers
What kind of destination is Porto Alegre?
Porto Alegre is a major city break in Brazil with a humid subtropical climate.
How many hours of sunshine does Porto Alegre get a year?
Porto Alegre gets about 2,283 hours of sunshine a year, at its best around April.
When is the best time to visit Porto Alegre?
The sunniest time to visit Porto Alegre is April, when the Sunshine Score peaks at 74/100 (with February and March close behind). Expect daytime highs around 26°C / 79°F.
What is the least sunny month in Porto Alegre?
July is the least sunny month in Porto Alegre, scoring 59/100 with about 149 mm of rain.
How strong is the sun in Porto Alegre?
The typical midday UV index in Porto Alegre peaks around 10 (very high) in January, easing to about 3 (moderate) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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