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°C maximum daytime temperature in January in Porto Alegre29
29°C maximum daytime temperature in February in Porto Alegre29
28°C maximum daytime temperature in March in Porto Alegre28
25°C maximum daytime temperature in April in Porto Alegre25
21°C maximum daytime temperature in May in Porto Alegre21
19°C maximum daytime temperature in June in Porto Alegre19
19°C maximum daytime temperature in July in Porto Alegre19
20°C maximum daytime temperature in August in Porto Alegre20
21°C maximum daytime temperature in September in Porto Alegre21
24°C maximum daytime temperature in October in Porto Alegre24
26°C maximum daytime temperature in November in Porto Alegre26
28°C maximum daytime temperature in December in Porto Alegre28
Min temperature (night-time)
20°C minimum night-time temperature in January in Porto Alegre20
20°C minimum night-time temperature in February in Porto Alegre20
19°C minimum night-time temperature in March in Porto Alegre19
16°C minimum night-time temperature in April in Porto Alegre16
13°C minimum night-time temperature in May in Porto Alegre13
10°C minimum night-time temperature in June in Porto Alegre10
10°C minimum night-time temperature in July in Porto Alegre10
11°C minimum night-time temperature in August in Porto Alegre11
13°C minimum night-time temperature in September in Porto Alegre13
15°C minimum night-time temperature in October in Porto Alegre15
17°C minimum night-time temperature in November in Porto Alegre17
18°C minimum night-time temperature in December in Porto Alegre18
Heat & Humidity
Moderate heat & humidity in January in Porto AlegreM
Moderate heat & humidity in February in Porto AlegreM
Low heat & humidity in March in Porto AlegreL
No heat & humidity in April in Porto Alegre0
No heat & humidity in May in Porto Alegre0
No heat & humidity in June in Porto Alegre0
No heat & humidity in July in Porto Alegre0
No heat & humidity in August in Porto Alegre0
No heat & humidity in September in Porto Alegre0
Low heat & humidity in October in Porto AlegreL
Moderate heat & humidity in November in Porto AlegreM
Low heat & humidity in December in Porto AlegreL

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 hours of daylight per day in January in Porto Alegre14
13 hours of daylight per day in February in Porto Alegre13
12 hours of daylight per day in March in Porto Alegre12
11 hours of daylight per day in April in Porto Alegre11
11 hours of daylight per day in May in Porto Alegre11
10 hours of daylight per day in June in Porto Alegre10
10 hours of daylight per day in July in Porto Alegre10
11 hours of daylight per day in August in Porto Alegre11
12 hours of daylight per day in September in Porto Alegre12
13 hours of daylight per day in October in Porto Alegre13
14 hours of daylight per day in November in Porto Alegre14
14 hours of daylight per day in December in Porto Alegre14
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Porto Alegre11
UV (maximum) index 11+ (Extreme) in February in Porto Alegre11
UV (maximum) index 10 (Very High) in March in Porto Alegre10
UV (maximum) index 7 (High) in April in Porto Alegre7
UV (maximum) index 4 (Moderate) in May in Porto Alegre4
UV (maximum) index 3 (Moderate) in June in Porto Alegre3
UV (maximum) index 3 (Moderate) in July in Porto Alegre3
UV (maximum) index 5 (Moderate) in August in Porto Alegre5
UV (maximum) index 7 (High) in September in Porto Alegre7
UV (maximum) index 10 (Very High) in October in Porto Alegre10
UV (maximum) index 11+ (Extreme) in November in Porto Alegre11
UV (maximum) index 11+ (Extreme) in December in Porto Alegre11

Rainfall in Porto Alegre

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
19 days with some rainfall in January in Porto Alegre19
17 days with some rainfall in February in Porto Alegre17
18 days with some rainfall in March in Porto Alegre18
12 days with some rainfall in April in Porto Alegre12
14 days with some rainfall in May in Porto Alegre14
17 days with some rainfall in June in Porto Alegre17
16 days with some rainfall in July in Porto Alegre16
16 days with some rainfall in August in Porto Alegre16
18 days with some rainfall in September in Porto Alegre18
16 days with some rainfall in October in Porto Alegre16
15 days with some rainfall in November in Porto Alegre15
16 days with some rainfall in December in Porto Alegre16
Average monthly rainfall (mm)
104 mm monthly rainfall in January in Porto Alegre104
110 mm monthly rainfall in February in Porto Alegre110
105 mm monthly rainfall in March in Porto Alegre105
92 mm monthly rainfall in April in Porto Alegre92
95 mm monthly rainfall in May in Porto Alegre95
134 mm monthly rainfall in June in Porto Alegre134
125 mm monthly rainfall in July in Porto Alegre125
138 mm monthly rainfall in August in Porto Alegre138
141 mm monthly rainfall in September in Porto Alegre141
116 mm monthly rainfall in October in Porto Alegre116
102 mm monthly rainfall in November in Porto Alegre102
101 mm monthly rainfall in December in Porto Alegre101

More about Porto Alegre

Porto Alegre by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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 maximum daytime temperature in January in Porto Alegre29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 19 days with some rainfall in January in Porto Alegre19
    19 days with some rainfall
  • 20°C minimum night-time temperature in January in Porto Alegre20
    20°C min night temperature
  • 14 hours of daylight per day in January in Porto Alegre14
    14 hours of daylight per day
  • Moderate heat & humidity in January in Porto AlegreM
    Moderate heat & humidity
  • 104 mm monthly rainfall in January in Porto Alegre104
    104 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Porto Alegre11
    11+ (Extreme) UV index

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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 maximum daytime temperature in February in Porto Alegre29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in February in Porto Alegre17
    17 days with some rainfall
  • 20°C minimum night-time temperature in February in Porto Alegre20
    20°C min night temperature
  • 13 hours of daylight per day in February in Porto Alegre13
    13 hours of daylight per day
  • Moderate heat & humidity in February in Porto AlegreM
    Moderate heat & humidity
  • 110 mm monthly rainfall in February in Porto Alegre110
    110 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in February in Porto Alegre11
    11+ (Extreme) UV index

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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 maximum daytime temperature in March in Porto Alegre28
    28°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in March in Porto Alegre18
    18 days with some rainfall
  • 19°C minimum night-time temperature in March in Porto Alegre19
    19°C min night temperature
  • 12 hours of daylight per day in March in Porto Alegre12
    12 hours of daylight per day
  • Low heat & humidity in March in Porto AlegreL
    Low heat & humidity
  • 105 mm monthly rainfall in March in Porto Alegre105
    105 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in March in Porto Alegre10
    10 (Very High) UV index

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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 maximum daytime temperature in April in Porto Alegre25
    25°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in April in Porto Alegre12
    12 days with some rainfall
  • 16°C minimum night-time temperature in April in Porto Alegre16
    16°C min night temperature
  • 11 hours of daylight per day in April in Porto Alegre11
    11 hours of daylight per day
  • No heat & humidity in April in Porto Alegre0
    No heat & humidity
  • 92 mm monthly rainfall in April in Porto Alegre92
    92 mm of monthly rainfall
  • UV (maximum) index 7 (High) in April in Porto Alegre7
    7 (High) UV index

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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 maximum daytime temperature in May in Porto Alegre21
    21°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in May in Porto Alegre14
    14 days with some rainfall
  • 13°C minimum night-time temperature in May in Porto Alegre13
    13°C min night temperature
  • 11 hours of daylight per day in May in Porto Alegre11
    11 hours of daylight per day
  • No heat & humidity in May in Porto Alegre0
    No heat & humidity
  • 95 mm monthly rainfall in May in Porto Alegre95
    95 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Porto Alegre4
    4 (Moderate) UV index

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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 maximum daytime temperature in June in Porto Alegre19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in June in Porto Alegre17
    17 days with some rainfall
  • 10°C minimum night-time temperature in June in Porto Alegre10
    10°C min night temperature
  • 10 hours of daylight per day in June in Porto Alegre10
    10 hours of daylight per day
  • No heat & humidity in June in Porto Alegre0
    No heat & humidity
  • 134 mm monthly rainfall in June in Porto Alegre134
    134 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in June in Porto Alegre3
    3 (Moderate) UV index

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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 maximum daytime temperature in July in Porto Alegre19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in July in Porto Alegre16
    16 days with some rainfall
  • 10°C minimum night-time temperature in July in Porto Alegre10
    10°C min night temperature
  • 10 hours of daylight per day in July in Porto Alegre10
    10 hours of daylight per day
  • No heat & humidity in July in Porto Alegre0
    No heat & humidity
  • 125 mm monthly rainfall in July in Porto Alegre125
    125 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in July in Porto Alegre3
    3 (Moderate) UV index

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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 maximum daytime temperature in August in Porto Alegre20
    20°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in August in Porto Alegre16
    16 days with some rainfall
  • 11°C minimum night-time temperature in August in Porto Alegre11
    11°C min night temperature
  • 11 hours of daylight per day in August in Porto Alegre11
    11 hours of daylight per day
  • No heat & humidity in August in Porto Alegre0
    No heat & humidity
  • 138 mm monthly rainfall in August in Porto Alegre138
    138 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Porto Alegre5
    5 (Moderate) UV index

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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 maximum daytime temperature in September in Porto Alegre21
    21°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in September in Porto Alegre18
    18 days with some rainfall
  • 13°C minimum night-time temperature in September in Porto Alegre13
    13°C min night temperature
  • 12 hours of daylight per day in September in Porto Alegre12
    12 hours of daylight per day
  • No heat & humidity in September in Porto Alegre0
    No heat & humidity
  • 141 mm monthly rainfall in September in Porto Alegre141
    141 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Porto Alegre7
    7 (High) UV index

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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 maximum daytime temperature in October in Porto Alegre24
    24°C max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in October in Porto Alegre16
    16 days with some rainfall
  • 15°C minimum night-time temperature in October in Porto Alegre15
    15°C min night temperature
  • 13 hours of daylight per day in October in Porto Alegre13
    13 hours of daylight per day
  • Low heat & humidity in October in Porto AlegreL
    Low heat & humidity
  • 116 mm monthly rainfall in October in Porto Alegre116
    116 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in October in Porto Alegre10
    10 (Very High) UV index

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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 maximum daytime temperature in November in Porto Alegre26
    26°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in November in Porto Alegre15
    15 days with some rainfall
  • 17°C minimum night-time temperature in November in Porto Alegre17
    17°C min night temperature
  • 14 hours of daylight per day in November in Porto Alegre14
    14 hours of daylight per day
  • Moderate heat & humidity in November in Porto AlegreM
    Moderate heat & humidity
  • 102 mm monthly rainfall in November in Porto Alegre102
    102 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in November in Porto Alegre11
    11+ (Extreme) UV index

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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 maximum daytime temperature in December in Porto Alegre28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in December in Porto Alegre16
    16 days with some rainfall
  • 18°C minimum night-time temperature in December in Porto Alegre18
    18°C min night temperature
  • 14 hours of daylight per day in December in Porto Alegre14
    14 hours of daylight per day
  • Low heat & humidity in December in Porto AlegreL
    Low heat & humidity
  • 101 mm monthly rainfall in December in Porto Alegre101
    101 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Porto Alegre11
    11+ (Extreme) UV index

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More about Porto Alegre

Porto Alegre by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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)

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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)

Porto Alegre, Brazil
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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