May Weather in Surabaya

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%.

25°C (78°F)

Minimum temperature

29°C (85°F)

Average temperature

33°C (92°F)

Maximum temperature

81%

Humidity

Precipitation and Sunshine hours

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.

69 mm (2.7 inches)

Precipitation

12 rainy days

Rainy days

9 hours 45 minutes

Sunshine hours

43%

Chance of sun

UV Index

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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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

Compare Surabaya's Climate with Cities Worldwide