- Save up to 20% on Aerotel airport hotel stays
- Discount varies based on how far in advanced
- Travel before 31st December 2026 (inclusive)
Porto Alegre weather by month
Check out Porto Alegre weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Porto Alegre (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) |  29 |  29 |  28 |  25 |  21 |  19 |  19 |  20 |  21 |  24 |  26 |  28 | 
| Min temperature (night-time) |  20 |  20 |  19 |  16 |  13 |  10 |  10 |  11 |  13 |  15 |  17 |  18 | 
| Heat & Humidity |  M |  M |  L |  0 |  0 |  0 |  0 |  0 |  0 |  L |  M |  L | 
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Porto Alegre
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight |  14 |  13 |  12 |  11 |  11 |  10 |  10 |  11 |  12 |  13 |  14 |  14 | 
| UV Index (Maximum) |  11 |  11 |  10 |  7 |  4 |  3 |  3 |  5 |  7 |  10 |  11 |  11 | 
Rainfall in Porto Alegre
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain |  19 |  17 |  18 |  12 |  14 |  17 |  16 |  16 |  18 |  16 |  15 |  16 | 
| Average monthly rainfall (mm) |  104 |  110 |  105 |  92 |  95 |  134 |  125 |  138 |  141 |  116 |  102 |  101 | 
More about Porto Alegre
Porto Alegre by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Brazil
Expires at 23:59 on Thursday 31st Dec 2026 · View all Aerotel offers
The climate guide for Brazil (Porto Alegre) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Porto Alegre?
Porto Alegre has a temperate climate with hot summers and some rainfall in all months.
Porto Alegre weather in January
Expect daytime maximum temperatures of 29°C in Porto Alegre, Brazil in January based on long-term weather averages. There are 8 hours of sunshine per day on average with 19 days with some rainfall and typically 104 mm of rainfall in the month.
- 29°C max day temperature 29 29
- 8 hours of sunshine per day
- 19 days with some rainfall 19 19
- 20°C min night temperature 20 20
- 14 hours of daylight per day 14 14
- Moderate heat & humidity M M
- 104 mm of monthly rainfall 104 104
- 11+ (Extreme) UV index 11 11
Porto Alegre weather in February
Expect daytime maximum temperatures of 29°C in Porto Alegre, Brazil in February based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 110 mm of rainfall in the month.
- 29°C max day temperature 29 29
- 7 hours of sunshine per day
- 17 days with some rainfall 17 17
- 20°C min night temperature 20 20
- 13 hours of daylight per day 13 13
- Moderate heat & humidity M M
- 110 mm of monthly rainfall 110 110
- 11+ (Extreme) UV index 11 11
Porto Alegre weather in March
Expect daytime maximum temperatures of 28°C in Porto Alegre, Brazil in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 105 mm of rainfall in the month.
- 28°C max day temperature 28 28
- 6 hours of sunshine per day
- 18 days with some rainfall 18 18
- 19°C min night temperature 19 19
- 12 hours of daylight per day 12 12
- Low heat & humidity L L
- 105 mm of monthly rainfall 105 105
- 10 (Very High) UV index 10 10
Porto Alegre weather in April
Expect daytime maximum temperatures of 25°C in Porto Alegre, Brazil in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 92 mm of rainfall in the month.
- 25°C max day temperature 25 25
- 6 hours of sunshine per day
- 12 days with some rainfall 12 12
- 16°C min night temperature 16 16
- 11 hours of daylight per day 11 11
- No heat & humidity 0 0
- 92 mm of monthly rainfall 92 92
- 7 (High) UV index 7 7
Porto Alegre weather in May
Expect daytime maximum temperatures of 21°C in Porto Alegre, Brazil in May based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 95 mm of rainfall in the month.
- 21°C max day temperature 21 21
- 5 hours of sunshine per day
- 14 days with some rainfall 14 14
- 13°C min night temperature 13 13
- 11 hours of daylight per day 11 11
- No heat & humidity 0 0
- 95 mm of monthly rainfall 95 95
- 4 (Moderate) UV index 4 4
Porto Alegre weather in June
Expect daytime maximum temperatures of 19°C in Porto Alegre, Brazil in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 134 mm of rainfall in the month.
- 19°C max day temperature 19 19
- 5 hours of sunshine per day
- 17 days with some rainfall 17 17
- 10°C min night temperature 10 10
- 10 hours of daylight per day 10 10
- No heat & humidity 0 0
- 134 mm of monthly rainfall 134 134
- 3 (Moderate) UV index 3 3
Porto Alegre weather in July
Expect daytime maximum temperatures of 19°C in Porto Alegre, Brazil in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 125 mm of rainfall in the month.
- 19°C max day temperature 19 19
- 5 hours of sunshine per day
- 16 days with some rainfall 16 16
- 10°C min night temperature 10 10
- 10 hours of daylight per day 10 10
- No heat & humidity 0 0
- 125 mm of monthly rainfall 125 125
- 3 (Moderate) UV index 3 3
Porto Alegre weather in August
Expect daytime maximum temperatures of 20°C in Porto Alegre, Brazil in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 138 mm of rainfall in the month.
- 20°C max day temperature 20 20
- 5 hours of sunshine per day
- 16 days with some rainfall 16 16
- 11°C min night temperature 11 11
- 11 hours of daylight per day 11 11
- No heat & humidity 0 0
- 138 mm of monthly rainfall 138 138
- 5 (Moderate) UV index 5 5
Porto Alegre weather in September
Expect daytime maximum temperatures of 21°C in Porto Alegre, Brazil in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 141 mm of rainfall in the month.
- 21°C max day temperature 21 21
- 5 hours of sunshine per day
- 18 days with some rainfall 18 18
- 13°C min night temperature 13 13
- 12 hours of daylight per day 12 12
- No heat & humidity 0 0
- 141 mm of monthly rainfall 141 141
- 7 (High) UV index 7 7
Porto Alegre weather in October
Expect daytime maximum temperatures of 24°C in Porto Alegre, Brazil in October based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 116 mm of rainfall in the month.
- 24°C max day temperature 24 24
- 7 hours of sunshine per day
- 16 days with some rainfall 16 16
- 15°C min night temperature 15 15
- 13 hours of daylight per day 13 13
- Low heat & humidity L L
- 116 mm of monthly rainfall 116 116
- 10 (Very High) UV index 10 10
Porto Alegre weather in November
Expect daytime maximum temperatures of 26°C in Porto Alegre, Brazil in November based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 102 mm of rainfall in the month.
- 26°C max day temperature 26 26
- 7 hours of sunshine per day
- 15 days with some rainfall 15 15
- 17°C min night temperature 17 17
- 14 hours of daylight per day 14 14
- Moderate heat & humidity M M
- 102 mm of monthly rainfall 102 102
- 11+ (Extreme) UV index 11 11
Porto Alegre weather in December
Expect daytime maximum temperatures of 28°C in Porto Alegre, Brazil in December based on long-term weather averages. There are 8 hours of sunshine per day on average with 16 days with some rainfall and typically 101 mm of rainfall in the month.
- 28°C max day temperature 28 28
- 8 hours of sunshine per day
- 16 days with some rainfall 16 16
- 18°C min night temperature 18 18
- 14 hours of daylight per day 14 14
- Low heat & humidity L L
- 101 mm of monthly rainfall 101 101
- 11+ (Extreme) UV index 11 11
More about Porto Alegre
Porto Alegre by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Brazil
- Latest flight offers & special deals from Lufthansa
- Flights to Germany (including Frankfurt & Munich)
- Plus destinations across Europe and around the world
The climate guide for Brazil (Porto Alegre) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Brazil
Compare Porto Alegre with the UK
Below the Porto Alegre chart shows average maximum daytime temperature for Porto Alegre, Brazil and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Porto Alegre weather >>
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holiday destinations
- Beach holidays
- City breaks
- Family holidays
- Half term holidays
- Spring holidays
- Summer holidays
- Autumn holidays
- Winter sun holidays
- Honeymoons
- Coolcations
- Compare places
- Ski resorts
Save with latest deals & discounts
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- TUI
- Jet2holidays
- Neilson
- Marella Cruises
- Roamless eSIMs
- Confused.com
- Pierre & Vacances
- Caledonian Travel
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport









 
			 
			 
			 
			

 
				 
				 
				 
				 
				 
				