Surabaya — Water Temperature in April
Water Temperature Range
28°C
minimum
30°C
average
32°C
maximum
Water Temperature Chart for Month
The chart shows the average daily water temperature for each day of the month based on historical data.
Table of Water Temperatures by Day of the Month for Previous Years
| Day | 2026 | 2025 | 2024 | 2023 |
|---|---|---|---|---|
| APR 1 | -10°C | 30°C | 30°C | 31°C |
| APR 2 | 30°C | 30°C | 29°C | 30°C |
| APR 3 | 30°C | 30°C | 29°C | 30°C |
| APR 4 | 30°C | 30°C | 29°C | 30°C |
| APR 5 | 30°C | 31°C | 30°C | 31°C |
| APR 6 | 30°C | 30°C | 30°C | 30°C |
| APR 7 | 30°C | 30°C | 30°C | 30°C |
| APR 8 | 30°C | 30°C | 30°C | 30°C |
| APR 9 | 31°C | 30°C | 30°C | 30°C |
| APR 10 | 31°C | 30°C | 30°C | 30°C |
| APR 11 | 31°C | 30°C | 30°C | 30°C |
| APR 12 | 31°C | 30°C | 30°C | 30°C |
| APR 13 | 31°C | 30°C | 31°C | 30°C |
| APR 14 | 30°C | 30°C | 31°C | 30°C |
| APR 15 | 31°C | 30°C | 31°C | 30°C |
| APR 16 | 31°C | 30°C | 30°C | 30°C |
| APR 17 | 31°C | 30°C | 30°C | 30°C |
| APR 18 | 31°C | 31°C | 31°C | 30°C |
| APR 19 | 31°C | 30°C | 30°C | 30°C |
| APR 20 | 31°C | 30°C | 30°C | 30°C |
| APR 21 | 31°C | 30°C | 29°C | 30°C |
| APR 22 | 31°C | 30°C | 30°C | 30°C |
| APR 23 | 31°C | 31°C | 30°C | 30°C |
| APR 24 | 31°C | 31°C | 30°C | 30°C |
| APR 25 | 31°C | 31°C | 30°C | 31°C |
| APR 26 | 31°C | 31°C | 30°C | 31°C |
| APR 27 | 31°C | 31°C | 30°C | 31°C |
| APR 28 | 31°C | 31°C | 31°C | 30°C |
| APR 29 | 31°C | 30°C | 30°C | 30°C |
| APR 30 | 31°C | 30°C | 30°C | 30°C |
April: Climate and Swimming Opportunities
Average Night Air Temperature
25°C
Average Day Air Temperature
31°C
Precipitation Amount per Month
181 mm
Number of Rainy Days
17
Daylight per Day
12 hrs
Sunshine per Day
9 hrs
Average Wind Speed
8 km/h
Average Humidity
80%
At such water and air temperatures, swimming feels truly comfortable and relaxing. The warm water won’t cool you down, so you can stay in for a long time without getting chilled.