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Guia, Portugal Weather Averages

. The most daily sunshine hours in Guia are 12 in July. The best month to swim in the sea is in August when the average sea temperature is 22°C (72°F).

Average Daily Sunshine Hours Guia

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Guia

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Guia : Next 24-Hour Weather

Today - 21st August 2025

Sunrise 06:55

Sunrise

Sunset 20:17

Sunset
17:00
Clear
26°C (77°F)
18:00
Clear
28°C (81°F)
19:00
Clear
26°C (78°F)
20:00
Clear
24°C (74°F)
21:00
Clear
22°C (70°F)
22:00
Clear
20°C (68°F)
23:00
Clear
20°C (67°F)

Tomorrow - 22nd August 2025

Sunrise 06:55

Sunrise

Sunset 20:17

Sunset
0:00
Clear
19°C (66°F)
1:00
Clear
19°C (65°F)
2:00
Clear
18°C (64°F)
3:00
Clear
18°C (64°F)
4:00
Clear
18°C (63°F)
5:00
Clear
17°C (63°F)
6:00
Clear
17°C (62°F)
7:00
Clear
17°C (62°F)
8:00
Clear
18°C (64°F)
9:00
Clear
21°C (69°F)
10:00
Clear
23°C (73°F)
11:00
Clear
25°C (77°F)
12:00
Clear
27°C (79°F)
13:00
Clear
28°C (81°F)
14:00
Clear
28°C (82°F)
15:00
Clear
29°C (83°F)
16:00
Clear
29°C (83°F)
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