Barreiro Weather Year-Round — Best Time to Visit
Barreiro, Portugal has mild weather year-round. The best time to visit is August (score: 94/100). Annual average high: 20.5°C, total rainfall: 528mm.
When is the best time to visit Barreiro?
94
August is the best month to visit Barreiro with a travel score of 94/100 (Excellent).
Expect highs of 27.5°C, 1 rain days, and 12.6 hours of daily sunshine.
View August weather details →Travel Score by Month
65
Jan
70
Feb
76
Mar
78
Apr
85
May
92
Jun
94
Jul
94
Aug
89
Sep
79
Oct
70
Nov
65
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Barreiro each month?
20.5°C
Avg High
14°C
Avg Low
528mm
Annual Rain
How much rain does Barreiro get?
Barreiro receives 528mm of rain annually. The wettest month is typically December with 78mm, while July is the driest.
What is the weather like each month in Barreiro?
January
65
14°C
Low: 9°C
8 rain days
Good
February
70
15°C
Low: 9°C
7 rain days
Good
March
76
17°C
Low: 11°C
7 rain days
Good
April
78
19°C
Low: 13°C
8 rain days
Good
May
85
22°C
Low: 15°C
6 rain days
Excellent
June
92
25°C
Low: 17°C
3 rain days
Excellent
July
94
27°C
Low: 18°C
1 rain days
Excellent
August
Best time to visit94
28°C
Low: 19°C
1 rain days
Excellent
September
89
25°C
Low: 18°C
4 rain days
Excellent
October
79
22°C
Low: 16°C
9 rain days
Good
November
70
18°C
Low: 13°C
9 rain days
Good
December
65
15°C
Low: 10°C
9 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31