Last updated: March 2, 2024
The weather in Surabaya, Indonesia, during May is characterized by an average temperature of 29°C (85°F). Highs can soar to 33°C (92°F), while lows may dip to 25°C (78°F). Typically, the humidity level in Surabaya throughout May hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Surabaya averages 69 mm (2.7 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 11 hours 45 minutes of daylight, with the sun shining for approximately 9 hours 45 minutes each day. Additionally, there is a 43% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Surabaya reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 2 | 4 | 8 | 11 | 12 | 12 | 10 | 6 | 3 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||