18.05
mon
mon
Day
90°F
SW 2 mph
Precip.
100%
100%
Night
79°F
W 3 mph
Precip.
100%
100%
19.05
tue
tue
Day
88°F
W 6 mph
Precip.
0%
0%
Night
79°F
W 4 mph
Precip.
100%
100%
20.05
wed
wed
Day
88°F
W 9 mph
Precip.
84%
84%
Night
79°F
NW 4 mph
Precip.
63%
63%
21.05
thu
thu
Day
88°F
W 8 mph
Precip.
0%
0%
Night
79°F
W 6 mph
Precip.
100%
100%
22.05
fri
fri
Day
88°F
W 8 mph
Precip.
69%
69%
Night
79°F
NW 4 mph
Precip.
73%
73%
23.05
sat
sat
Day
88°F
W 4 mph
Precip.
0%
0%
Night
79°F
N 2 mph
Precip.
100%
100%
24.05
sun
sun
Day
90°F
W 2 mph
Precip.
100%
100%
Night
79°F
NW 4 mph
Precip.
0%
0%
sea water
temperature
temperature
| Surabaya |
monthly
weather
weather
| Surabaya |
current
weather
weather
| Surabaya |
14 days
forecast
forecast
| Surabaya |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 86.5°F. The highest and lowest sea temperatures during the month were 87.1°F and 86.0°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 85.0°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.8°F.
Air temperature in Surabaya, °F
Precipitation total in Surabaya, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Surabaya
Surabaya on a weather map
Places in Indonesia:
Name
°F
24 Hours Forecast
Surabaya
Local time: 20:38
May 18, monday
2100
79°F
SW
1 mph
1 mph
May 19, tuesday
0000
79°F
W
3 mph
3 mph
0300
77°F
NW
3 mph
3 mph
0600
77°F
N
4 mph
4 mph
0900
84°F
NW
6 mph
6 mph
1200
88°F
W
6 mph
6 mph
1500
88°F
W
5 mph
5 mph
1800
82°F
W
6 mph
6 mph
