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The months of July and August are the high season of Portugal, where summer shows temperatures of up to 30 °C, the prices of the resorts and the beaches are at their peak. The suffocating climates are normal however the oceans are at a warm temperature.
There are two intermediate seasons, from April to June and from September to November. Wild flowers and gentle days are excellent for outdoor activities. In June the festivities begin, with an average number of visitors.
With short and rainy days, the low season (December to March) has from very cold temperatures to moderate increases, with low prices and few visitors. However, you can especially enjoy the center of Portugal, because of the sun's inclination and the winter winds.
Your travel to Portugal has about 37% the climate impact as your entire yearly budget of CO₂ emissions. This "yearly climate-compatible budget" sets the limit of emissions any person should produce in order to keep global warming to below 2C at about 2 tons of CO2. It includes anything from heating to stay warm and cosy in winter, your daily hot showers, the annoying commute to work, any traveling you do, the production of your yummy food and products you buy – and much more you emit by living your life.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day
temperature
17°
17°
17°
18°
20°
22°
25°
26°
25°
22°
20°
18°
Night
temperature
12°
11°
12°
12°
13°
15°
17°
18°
17°
16°
14°
12°
Days of
rain
20
18
19
14
14
12
10
10
14
18
19
20
Hours
sun
3h
3h
4h
5h
5h
5h
6h
7h
6h
4h
3h
3h
Water
temperature
15°
15°
15°
16°
17°
18°
19°
20°
20°
19°
17°
16°
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day
temperature
15°
16°
18°
20°
22°
25°
28°
28°
26°
22°
19°
16°
Night
temperature
9°
10°
11°
13°
14°
18°
20°
20°
19°
16°
13°
10°
Days of
rain
7
6
8
5
3
1
0
0
2
4
7
7
Hours
sun
5h
6h
7h
9h
11h
11h
12h
12h
9h
7h
5h
6h
Water
temperature
15°
15°
15°
16°
17°
18°
19°
20°
20°
19°
17°
16°
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day
temperature
15°
16°
18°
20°
22°
25°
28°
28°
26°
22°
19°
16°
Night
temperature
9°
10°
11°
13°
14°
18°
20°
20°
19°
16°
13°
10°
Days of
rain
7
6
8
5
3
1
0
0
2
4
7
7
Hours
sun
5h
6h
7h
9h
11h
11h
12h
12h
9h
7h
5h
6h
Water
temperature
15°
15°
15°
16°
17°
18°
19°
20°
20°
19°
17°
16°
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day
temperature
19°
19°
19°
20°
21°
22°
24°
25°
25°
24°
22°
20°
Night
temperature
13°
13°
14°
14°
15°
18°
19°
20°
19°
18°
16°
14°
Days of
rain
7
6
7
4
2
1
0
1
2
7
7
7
Hours
sun
5h
6h
6h
7h
8h
9h
9h
9h
7h
6h
5h
5h
Water
temperature
18°
17°
17°
17°
18°
20°
21°
22°
23°
22°
20°
19°
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day
temperature
17°
17°
17°
18°
20°
22°
25°
26°
25°
22°
19°
18°
Night
temperature
12°
12°
13°
13°
14°
17°
18°
20°
19°
17°
15°
13°
Days of
rain
13
13
12
9
9
6
6
7
10
12
14
13
Hours
sun
3h
4h
4h
5h
6h
6h
8h
8h
6h
5h
4h
3h
Water
temperature
17°
16°
16°
16°
17°
19°
22°
24°
23°
21°
18°
17°
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day
temperature
14°
15°
17°
20°
21°
25°
27°
28°
26°
22°
17°
15°
Night
temperature
8°
8°
10°
12°
13°
15°
17°
17°
17°
14°
11°
9°
Days of
rain
15
12
14
10
10
5
2
2
6
9
13
15
Hours
sun
5h
7h
7h
9h
10h
11h
12h
12h
9h
7h
6h
5h
Water
temperature
14°
14°
14°
15°
16°
17°
18°
19°
19°
18°
16°
15°
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day
temperature
19°
19°
19°
20°
21°
22°
24°
25°
25°
24°
22°
20°
Night
temperature
13°
13°
14°
14°
15°
18°
19°
20°
19°
18°
16°
14°
Days of
rain
7
6
7
4
2
1
0
1
2
7
7
7
Hours
sun
5h
6h
6h
7h
8h
9h
9h
9h
7h
6h
5h
5h
Water
temperature
18°
17°
17°
17°
18°
20°
21°
22°
23°
22°
20°
19°
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day
temperature
17°
17°
17°
18°
20°
22°
25°
26°
25°
22°
20°
18°
Night
temperature
12°
11°
12°
12°
13°
15°
17°
18°
17°
16°
14°
12°
Days of
rain
20
18
19
14
14
12
10
10
14
18
19
20
Hours
sun
3h
3h
4h
5h
5h
5h
6h
7h
6h
4h
3h
3h
Water
temperature
15°
15°
15°
16°
17°
18°
19°
20°
20°
19°
17°
16°
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day
temperature
13°
14°
16°
18°
20°
23°
25°
25°
24°
21°
17°
14°
Night
temperature
5°
5°
8°
9°
11°
13°
15°
15°
14°
11°
8°
5°
Days of
rain
18
15
17
13
13
7
5
7
11
15
18
18
Hours
sun
5h
6h
6h
8h
9h
10h
11h
10h
8h
6h
5h
4h
Water
temperature
14°
14°
14°
15°
17°
17°
17°
18°
18°
18°
17°
16°