Sintra Weather Year-Round — Best Time to Visit
Sintra, Portugal has mild weather year-round. The best time to visit is August (score: 90/100). Annual average high: 17.9°C, total rainfall: 600mm.
When is the best time to visit Sintra?
90
August is the best month to visit Sintra with a travel score of 90/100 (Excellent).
Expect highs of 22.7°C, 1 rain days, and 12.5 hours of daily sunshine.
View August weather details →Travel Score by Month
63
Jan
68
Feb
72
Mar
73
Apr
79
May
85
Jun
89
Jul
90
Aug
85
Sep
75
Oct
66
Nov
62
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Sintra each month?
17.9°C
Avg High
13.3°C
Avg Low
600mm
Annual Rain
How much rain does Sintra get?
Sintra receives 600mm of rain annually. The wettest month is typically December with 89mm, while July is the driest.
What is the weather like each month in Sintra?
January
63
13°C
Low: 9°C
9 rain days
Good
February
68
14°C
Low: 10°C
8 rain days
Good
March
72
15°C
Low: 11°C
8 rain days
Good
April
73
16°C
Low: 12°C
8 rain days
Good
May
79
18°C
Low: 14°C
6 rain days
Good
June
85
21°C
Low: 16°C
3 rain days
Excellent
July
89
22°C
Low: 17°C
1 rain days
Excellent
August
Best time to visit90
23°C
Low: 18°C
1 rain days
Excellent
September
85
22°C
Low: 17°C
5 rain days
Excellent
October
75
20°C
Low: 15°C
9 rain days
Good
November
66
16°C
Low: 12°C
10 rain days
Good
December
62
14°C
Low: 10°C
10 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31