Current sea water temperature:
+85.6°F
| Minimum sea water temperature in December: | 88.7°F |
| Maximum sea water temperature in December: | 83.8°F |
| Average sea water temperature in December: | 85.9°F |
| more information | |
14 days
forecast
forecast
| Surabaya |
monthly
weather
weather
| Surabaya |
Sea water temperature for the last 10 days:
| December 23 | 85.6°F | December 18 | 86.5°F |
| December 22 | 85.8°F | December 17 | 86.5°F |
| December 21 | 85.8°F | December 16 | 85.1°F |
| December 20 | 86.0°F | December 15 | 85.1°F |
| December 19 | 86.2°F | December 14 | 85.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Surabaya?
Based on the data about daily sea water temperature for the last three years the warmest sea in Surabaya was noticed in November, April and December.
Monthly Sea Temperatures in Surabaya, °F
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 87.6°F and 85.6°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 85.9°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.1°F.
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.1°F.
current
weather
weather
| Surabaya |
weather in
December
December
| Surabaya |
Best time for vacation in Surabaya
Surabaya on a weather map
Places in Indonesia:
Name
°F
24 Hours Forecast
Surabaya
Local time: 09:47
December 24, wednesday
1200
86°F
E
9 mph
9 mph
1500
86°F
SE
6 mph
6 mph
1800
82°F
SE
7 mph
7 mph
2100
79°F
E
6 mph
6 mph
December 25, thursday
0000
79°F
NE
4 mph
4 mph
0300
79°F
NE
2 mph
2 mph
0600
77°F
E
3 mph
3 mph
0900
82°F
E
2 mph
2 mph
