Castanhal Weather Year-Round — Best Time to Visit
Castanhal, Brazil has hot weather year-round. The best time to visit is October (score: 84/100). Annual average high: 30.8°C, total rainfall: 2277mm.
When is the best time to visit Castanhal?
84
October is the best month to visit Castanhal with a travel score of 84/100 (Excellent).
Expect highs of 33.3°C, 8 rain days, and 11.7 hours of daily sunshine.
View October weather details →Travel Score by Month
65
Jan
63
Feb
62
Mar
62
Apr
66
May
67
Jun
70
Jul
79
Aug
84
Sep
84
Oct
83
Nov
73
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Castanhal each month?
30.8°C
Avg High
23.2°C
Avg Low
2277mm
Annual Rain
How much rain does Castanhal get?
Castanhal receives 2277mm of rain annually. The wettest month is typically March with 448mm, while September is the driest.
What is the weather like each month in Castanhal?
January
65
30°C
Low: 23°C
26 rain days
Good
February
63
29°C
Low: 23°C
26 rain days
Good
March
62
29°C
Low: 23°C
30 rain days
Good
April
62
29°C
Low: 23°C
29 rain days
Good
May
66
30°C
Low: 23°C
27 rain days
Good
June
67
30°C
Low: 23°C
21 rain days
Good
July
70
30°C
Low: 23°C
18 rain days
Good
August
79
31°C
Low: 23°C
12 rain days
Good
September
84
32°C
Low: 23°C
9 rain days
Excellent
October
Best time to visit84
33°C
Low: 24°C
8 rain days
Excellent
November
83
33°C
Low: 24°C
9 rain days
Excellent
December
73
32°C
Low: 24°C
18 rain days
Good
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What cities are near Castanhal?
Data based on 1994–2024 averages · Last updated: 2024-12-31