18.05
mon
mon
Day
90°F
SW 3 mph
Precip.
87%
87%
Night
73°F
W 5 mph
Precip.
100%
100%
19.05
tue
tue
Day
88°F
SW 4 mph
Precip.
0%
0%
Night
75°F
W 6 mph
Precip.
100%
100%
20.05
wed
wed
Day
88°F
SW 4 mph
Precip.
0%
0%
Night
75°F
W 6 mph
Precip.
0%
0%
21.05
thu
thu
Day
88°F
SW 4 mph
Precip.
100%
100%
Night
75°F
W 6 mph
Precip.
100%
100%
22.05
fri
fri
Day
86°F
SW 4 mph
Precip.
100%
100%
Night
73°F
W 5 mph
Precip.
76%
76%
23.05
sat
sat
Day
82°F
SW 5 mph
Precip.
100%
100%
Night
73°F
W 4 mph
Precip.
0%
0%
24.05
sun
sun
Day
82°F
SW 6 mph
Precip.
0%
0%
Night
75°F
W 5 mph
Precip.
100%
100%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 83.8°F. The highest and lowest sea temperatures during the month were 84.9°F and 83.1°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 84.9°F and 83.7°F.
Air temperature in Belem, °F
Precipitation total in Belem, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Belem
Belem on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Belem
Local time: 07:10
May 18, monday
0900
81°F
W
5 mph
5 mph
1200
90°F
SW
3 mph
3 mph
1500
84°F
W
6 mph
6 mph
1800
77°F
W
6 mph
6 mph
2100
75°F
W
4 mph
4 mph
May 19, tuesday
0000
73°F
W
5 mph
5 mph
0300
73°F
W
4 mph
4 mph
0600
73°F
W
4 mph
4 mph
