Weather in Surabaya: July
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Average day temperature: | 90.3°F |
| Average night temperature: | 76.2°F | |
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Sea water temperature: | 83.1°F |
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Number of sunny days: | 24 days |
| Day length: | 11.7 - 11.8 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.5 in. | |
| more information | ||
14 days
forecast
forecast
| Surabaya |
sea water
temperature
temperature
| Surabaya |
Air temperature in July, °F
Show year:
2025
2024
2023
The highest day temperature during July of 2025 was 90°F. At the same time the lowest night temperature was 72°F. Daily and nightly averages during July were 87.5°F and 76.0°F.
Sea water temperature in Surabaya in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 84.2°F and 82.4°F.
Sunny, partly cloudy and cloudy days
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Surabaya in July is 0.5 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 5.7 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 8.6.
Best time for vacation in Surabaya
Surabaya on a weather map
Places in Indonesia:
Name
°F
24 Hours Forecast
Surabaya
Local time: 11:53
December 05, friday
1200
88°F
S
2 mph
2 mph
1500
88°F
S
2 mph
2 mph
1800
84°F
N
4 mph
4 mph
2100
81°F
N
2 mph
2 mph
December 06, saturday
0000
77°F
NE
6 mph
6 mph
0300
79°F
E
2 mph
2 mph
0600
79°F
N
2 mph
2 mph
0900
82°F
NW
2 mph
2 mph
