Sao Joao weather by month

Check out Sao Joao weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Sao Joao (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
16°C maximum daytime temperature in January in Sao Joao16
16°C maximum daytime temperature in February in Sao Joao16
18°C maximum daytime temperature in March in Sao Joao18
19°C maximum daytime temperature in April in Sao Joao19
22°C maximum daytime temperature in May in Sao Joao22
25°C maximum daytime temperature in June in Sao Joao25
27°C maximum daytime temperature in July in Sao Joao27
28°C maximum daytime temperature in August in Sao Joao28
26°C maximum daytime temperature in September in Sao Joao26
22°C maximum daytime temperature in October in Sao Joao22
19°C maximum daytime temperature in November in Sao Joao19
16°C maximum daytime temperature in December in Sao Joao16
Min temperature (night-time)
8°C minimum night-time temperature in January in Sao Joao8
9°C minimum night-time temperature in February in Sao Joao9
9°C minimum night-time temperature in March in Sao Joao9
11°C minimum night-time temperature in April in Sao Joao11
13°C minimum night-time temperature in May in Sao Joao13
15°C minimum night-time temperature in June in Sao Joao15
18°C minimum night-time temperature in July in Sao Joao18
17°C minimum night-time temperature in August in Sao Joao17
17°C minimum night-time temperature in September in Sao Joao17
15°C minimum night-time temperature in October in Sao Joao15
11°C minimum night-time temperature in November in Sao Joao11
9°C minimum night-time temperature in December in Sao Joao9
Heat & Humidity
No heat & humidity in January in Sao Joao0
No heat & humidity in February in Sao Joao0
No heat & humidity in March in Sao Joao0
No heat & humidity in April in Sao Joao0
No heat & humidity in May in Sao Joao0
Low heat & humidity in June in Sao JoaoL
Moderate heat & humidity in July in Sao JoaoM
Moderate heat & humidity in August in Sao JoaoM
Low heat & humidity in September in Sao JoaoL
No heat & humidity in October in Sao Joao0
No heat & humidity in November in Sao Joao0
No heat & humidity in December in Sao Joao0
Sea temperature
16°C sea temperature in January in Sao Joao16
15°C sea temperature in February in Sao Joao15
15°C sea temperature in March in Sao Joao15
16°C sea temperature in April in Sao Joao16
17°C sea temperature in May in Sao Joao17
19°C sea temperature in June in Sao Joao19
20°C sea temperature in July in Sao Joao20
21°C sea temperature in August in Sao Joao21
21°C sea temperature in September in Sao Joao21
20°C sea temperature in October in Sao Joao20
18°C sea temperature in November in Sao Joao18
17°C sea temperature in December in Sao Joao17

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Sao Joao

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Sao Joao10
11 hours of daylight per day in February in Sao Joao11
12 hours of daylight per day in March in Sao Joao12
13 hours of daylight per day in April in Sao Joao13
14 hours of daylight per day in May in Sao Joao14
15 hours of daylight per day in June in Sao Joao15
14 hours of daylight per day in July in Sao Joao14
14 hours of daylight per day in August in Sao Joao14
12 hours of daylight per day in September in Sao Joao12
11 hours of daylight per day in October in Sao Joao11
10 hours of daylight per day in November in Sao Joao10
10 hours of daylight per day in December in Sao Joao10
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Sao Joao2
UV (maximum) index 4 (Moderate) in February in Sao Joao4
UV (maximum) index 5 (Moderate) in March in Sao Joao5
UV (maximum) index 7 (High) in April in Sao Joao7
UV (maximum) index 8 (Very High) in May in Sao Joao8
UV (maximum) index 9 (Very High) in June in Sao Joao9
UV (maximum) index 9 (Very High) in July in Sao Joao9
UV (maximum) index 9 (Very High) in August in Sao Joao9
UV (maximum) index 7 (High) in September in Sao Joao7
UV (maximum) index 5 (Moderate) in October in Sao Joao5
UV (maximum) index 3 (Moderate) in November in Sao Joao3
UV (maximum) index 2 (Low) in December in Sao Joao2

Rainfall in Sao Joao

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
9 days with some rainfall in January in Sao Joao9
11 days with some rainfall in February in Sao Joao11
7 days with some rainfall in March in Sao Joao7
9 days with some rainfall in April in Sao Joao9
5 days with some rainfall in May in Sao Joao5
2 days with some rainfall in June in Sao Joao2
1 day with some rainfall in July in Sao Joao1
1 day with some rainfall in August in Sao Joao1
2 days with some rainfall in September in Sao Joao2
8 days with some rainfall in October in Sao Joao8
10 days with some rainfall in November in Sao Joao10
12 days with some rainfall in December in Sao Joao12
Average monthly rainfall (mm)
97 mm monthly rainfall in January in Sao Joao97
69 mm monthly rainfall in February in Sao Joao69
53 mm monthly rainfall in March in Sao Joao53
41 mm monthly rainfall in April in Sao Joao41
29 mm monthly rainfall in May in Sao Joao29
16 mm monthly rainfall in June in Sao Joao16
1 mm monthly rainfall in July in Sao Joao1
2 mm monthly rainfall in August in Sao Joao2
15 mm monthly rainfall in September in Sao Joao15
53 mm monthly rainfall in October in Sao Joao53
83 mm monthly rainfall in November in Sao Joao83
99 mm monthly rainfall in December in Sao Joao99

More about the Sao Joao

Sao Joao by month

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

Recommended for the Algarve

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The climate guide for Algarve (Sao Joao) 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 Sao Joao?

Sao Joao has a temperate climate with hot dry summers.

Sao Joao weather in January

Expect daytime maximum temperatures of 16°C in Sao Joao, Algarve in January based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 97 mm of rainfall in the month.

  • 16°C maximum daytime temperature in January in Sao Joao16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in January in Sao Joao9
    9 days with some rainfall
  • 8°C minimum night-time temperature in January in Sao Joao8
    8°C min night temperature
  • 10 hours of daylight per day in January in Sao Joao10
    10 hours of daylight per day
  • No heat & humidity in January in Sao Joao0
    No heat & humidity
  • 97 mm monthly rainfall in January in Sao Joao97
    97 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Sao Joao2
    2 (Low) UV index
  • 16°C sea temperature in January in Sao Joao16
    16°C sea temperature

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Sao Joao weather in February

Expect daytime maximum temperatures of 16°C in Sao Joao, Algarve in February based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 69 mm of rainfall in the month.

  • 16°C maximum daytime temperature in February in Sao Joao16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in February in Sao Joao11
    11 days with some rainfall
  • 9°C minimum night-time temperature in February in Sao Joao9
    9°C min night temperature
  • 11 hours of daylight per day in February in Sao Joao11
    11 hours of daylight per day
  • No heat & humidity in February in Sao Joao0
    No heat & humidity
  • 69 mm monthly rainfall in February in Sao Joao69
    69 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in February in Sao Joao4
    4 (Moderate) UV index
  • 15°C sea temperature in February in Sao Joao15
    15°C sea temperature

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Sao Joao weather in March

Expect daytime maximum temperatures of 18°C in Sao Joao, Algarve in March based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 53 mm of rainfall in the month.

  • 18°C maximum daytime temperature in March in Sao Joao18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in March in Sao Joao7
    7 days with some rainfall
  • 9°C minimum night-time temperature in March in Sao Joao9
    9°C min night temperature
  • 12 hours of daylight per day in March in Sao Joao12
    12 hours of daylight per day
  • No heat & humidity in March in Sao Joao0
    No heat & humidity
  • 53 mm monthly rainfall in March in Sao Joao53
    53 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in March in Sao Joao5
    5 (Moderate) UV index
  • 15°C sea temperature in March in Sao Joao15
    15°C sea temperature

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Sao Joao weather in April

Expect daytime maximum temperatures of 19°C in Sao Joao, Algarve in April based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 41 mm of rainfall in the month.

  • 19°C maximum daytime temperature in April in Sao Joao19
    19°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in April in Sao Joao9
    9 days with some rainfall
  • 11°C minimum night-time temperature in April in Sao Joao11
    11°C min night temperature
  • 13 hours of daylight per day in April in Sao Joao13
    13 hours of daylight per day
  • No heat & humidity in April in Sao Joao0
    No heat & humidity
  • 41 mm monthly rainfall in April in Sao Joao41
    41 mm of monthly rainfall
  • UV (maximum) index 7 (High) in April in Sao Joao7
    7 (High) UV index
  • 16°C sea temperature in April in Sao Joao16
    16°C sea temperature

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Sao Joao weather in May

Expect daytime maximum temperatures of 22°C in Sao Joao, Algarve in May based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 22°C maximum daytime temperature in May in Sao Joao22
    22°C max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in May in Sao Joao5
    5 days with some rainfall
  • 13°C minimum night-time temperature in May in Sao Joao13
    13°C min night temperature
  • 14 hours of daylight per day in May in Sao Joao14
    14 hours of daylight per day
  • No heat & humidity in May in Sao Joao0
    No heat & humidity
  • 29 mm monthly rainfall in May in Sao Joao29
    29 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Sao Joao8
    8 (Very High) UV index
  • 17°C sea temperature in May in Sao Joao17
    17°C sea temperature

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Sao Joao weather in June

Expect daytime maximum temperatures of 25°C in Sao Joao, Algarve in June based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 25°C maximum daytime temperature in June in Sao Joao25
    25°C max day temperature
  • 11 hours of sunshine per day
  • 2 days with some rainfall in June in Sao Joao2
    2 days with some rainfall
  • 15°C minimum night-time temperature in June in Sao Joao15
    15°C min night temperature
  • 15 hours of daylight per day in June in Sao Joao15
    15 hours of daylight per day
  • Low heat & humidity in June in Sao JoaoL
    Low heat & humidity
  • 16 mm monthly rainfall in June in Sao Joao16
    16 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Sao Joao9
    9 (Very High) UV index
  • 19°C sea temperature in June in Sao Joao19
    19°C sea temperature

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Sao Joao weather in July

Expect daytime maximum temperatures of 27°C in Sao Joao, Algarve in July based on long-term weather averages. There are 12 hours of sunshine per day on average.

  • 27°C maximum daytime temperature in July in Sao Joao27
    27°C max day temperature
  • 12 hours of sunshine per day
  • 1 day with some rainfall in July in Sao Joao1
    1 day with some rainfall
  • 18°C minimum night-time temperature in July in Sao Joao18
    18°C min night temperature
  • 14 hours of daylight per day in July in Sao Joao14
    14 hours of daylight per day
  • Moderate heat & humidity in July in Sao JoaoM
    Moderate heat & humidity
  • 1 mm monthly rainfall in July in Sao Joao1
    1 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Sao Joao9
    9 (Very High) UV index
  • 20°C sea temperature in July in Sao Joao20
    20°C sea temperature

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Sao Joao weather in August

Expect daytime maximum temperatures of 28°C in Sao Joao, Algarve in August based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 28°C maximum daytime temperature in August in Sao Joao28
    28°C max day temperature
  • 11 hours of sunshine per day
  • 1 day with some rainfall in August in Sao Joao1
    1 day with some rainfall
  • 17°C minimum night-time temperature in August in Sao Joao17
    17°C min night temperature
  • 14 hours of daylight per day in August in Sao Joao14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Sao JoaoM
    Moderate heat & humidity
  • 2 mm monthly rainfall in August in Sao Joao2
    2 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Sao Joao9
    9 (Very High) UV index
  • 21°C sea temperature in August in Sao Joao21
    21°C sea temperature

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Sao Joao weather in September

Expect daytime maximum temperatures of 26°C in Sao Joao, Algarve in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 26°C maximum daytime temperature in September in Sao Joao26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in September in Sao Joao2
    2 days with some rainfall
  • 17°C minimum night-time temperature in September in Sao Joao17
    17°C min night temperature
  • 12 hours of daylight per day in September in Sao Joao12
    12 hours of daylight per day
  • Low heat & humidity in September in Sao JoaoL
    Low heat & humidity
  • 15 mm monthly rainfall in September in Sao Joao15
    15 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Sao Joao7
    7 (High) UV index
  • 21°C sea temperature in September in Sao Joao21
    21°C sea temperature

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Sao Joao weather in October

Expect daytime maximum temperatures of 22°C in Sao Joao, Algarve in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 53 mm of rainfall in the month.

  • 22°C maximum daytime temperature in October in Sao Joao22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in October in Sao Joao8
    8 days with some rainfall
  • 15°C minimum night-time temperature in October in Sao Joao15
    15°C min night temperature
  • 11 hours of daylight per day in October in Sao Joao11
    11 hours of daylight per day
  • No heat & humidity in October in Sao Joao0
    No heat & humidity
  • 53 mm monthly rainfall in October in Sao Joao53
    53 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in October in Sao Joao5
    5 (Moderate) UV index
  • 20°C sea temperature in October in Sao Joao20
    20°C sea temperature

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Sao Joao weather in November

Expect daytime maximum temperatures of 19°C in Sao Joao, Algarve in November based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 83 mm of rainfall in the month.

  • 19°C maximum daytime temperature in November in Sao Joao19
    19°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in November in Sao Joao10
    10 days with some rainfall
  • 11°C minimum night-time temperature in November in Sao Joao11
    11°C min night temperature
  • 10 hours of daylight per day in November in Sao Joao10
    10 hours of daylight per day
  • No heat & humidity in November in Sao Joao0
    No heat & humidity
  • 83 mm monthly rainfall in November in Sao Joao83
    83 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in November in Sao Joao3
    3 (Moderate) UV index
  • 18°C sea temperature in November in Sao Joao18
    18°C sea temperature

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Sao Joao weather in December

Expect daytime maximum temperatures of 16°C in Sao Joao, Algarve in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 99 mm of rainfall in the month.

  • 16°C maximum daytime temperature in December in Sao Joao16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in December in Sao Joao12
    12 days with some rainfall
  • 9°C minimum night-time temperature in December in Sao Joao9
    9°C min night temperature
  • 10 hours of daylight per day in December in Sao Joao10
    10 hours of daylight per day
  • No heat & humidity in December in Sao Joao0
    No heat & humidity
  • 99 mm monthly rainfall in December in Sao Joao99
    99 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Sao Joao2
    2 (Low) UV index
  • 17°C sea temperature in December in Sao Joao17
    17°C sea temperature

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More about the Sao Joao

Sao Joao by month

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

Recommended for the Algarve

  • Explore latest special offers & online deals from TUI
  • Free child places & £0 deposits with direct debit available
  • Book summer & winter sun holidays in 2026/2027

TUITUI deal finder

The climate guide for Algarve (Sao Joao) 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.

Compare Sao Joao weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Sao Joao, Algarve, Portugal and the UK (London).

Maximum daytime temperature (°C)

Sao Joao, Algarve, Portugal
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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