Temperature
Pleasant by day, brisk at night.
76°Ftypical October high
Typical range
October climate
October in Porto Alegre
Brazil · South America
Warm days with cooler nights and some sun.
Some tradeoffs
Daytime high
76°F
Lows around 60°F
Rain
Several rainy days
Sun
8.5 h/day
Air feel
Comfortable
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 12 wet days, more than in most months.
39%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
8.6 hOctober sunshine
Heat & humidity by month
LowOctober Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In October, afternoons feel about 73° and nights feel near 60°.
ColdCoolComfortableWarmHotNight hours
Clear sky
Mostly cloudy skies this month.
36%October Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in October.
7 mphOctober Light breeze
More detailIncludes daypart comfort
Typical October day
October late afternoons are around 74°F, easing to about 67°F in early evening.
Avg temp Typical range
Morning68°F
Rain22%
Cloud66%
Humid airLow
Sun intensityModerate
Midday74°F
Rain23%
Cloud70%
Humid airModerate
Sun intensityStrong
Late afternoon74°F
Rain22%
Cloud67%
Humid airModerate
Sun intensityModerate
Early evening67°F
Rain18%
Cloud59%
Humid airLow
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 85 | 69 | 5.4 | 14 | 11.0 | 75 |
| Feb | 85 | 69 | 5.0 | 14 | 10.7 | 77 |
| Mar | 83 | 67 | 4.4 | 12 | 9.8 | 78 |
| Apr | 78 | 62 | 4.1 | 10 | 8.6 | 80 |
| May | 71 | 56 | 4.2 | 9 | 7.7 | 83 |
| Jun | 67 | 52 | 4.5 | 10 | 6.7 | 84 |
| Jul | 66 | 50 | 5.5 | 10 | 6.9 | 83 |
| Aug | 70 | 52 | 4.7 | 10 | 8.0 | 81 |
| Sep | 71 | 55 | 5.8 | 11 | 7.9 | 80 |
| Oct | 76 | 60 | 6.6 | 12 | 8.6 | 78 |
| Nov | 80 | 63 | 4.9 | 11 | 10.4 | 75 |
| Dec | 84 | 67 | 4.9 | 12 | 11.1 | 74 |
Similar climates
Similar
Similar travel styleRio de JaneiroBrazilSimilar travel styleBuenos AiresArgentinaSimilar travel styleArtigasUruguaySimilar travel styleAsunciónParaguay
Want a side-by-side climate view? Compare Porto Alegre with Rio de Janeiro.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 26, 2026
Data & methodology