Weather in Surabaya Today
Current temperature in Surabaya: 28°C (82°F). Overcast. Today's high 32°C (90°F), low 25°C (77°F).
Today's Daylight Forecast
Moon & Islamic Calendar
Very high UV today. Limit sun exposure around midday. Apply SPF 30+ every 2 hours and seek shade.
5-Day Weather Forecast
Full 15-Day ForecastAtmospheric Details
Today vs Normal
The long-term average high for today is 34°C.
4 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running below normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.
Health & Activity Advice
UV index is 9 today — very high. Limit sun exposure around midday, apply SPF 30+ every two hours, and seek shade when possible.
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.
Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.
Nearby Regional Outlook
Surabaya Weather Radar
Live precipitation · Cloud cover · Wind
Frequently Asked Questions
What is the hottest month in Surabaya?
The hottest month in Surabaya is typically October, with daytime highs averaging around 32.7°C (91°F), based on 10 years of historical weather data. Overnight lows during this period average near 25°C (77°F).
What is the coldest month in Surabaya?
The coldest month in Surabaya is typically July, with overnight lows averaging around 23.8°C (75°F) and daytime highs near 30.7°C (87°F), based on 10 years of historical weather data.
Does Surabaya have a rainy season?
Surabaya doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. February is the wettest month on average (about 326 mm), while August is the driest (about 12 mm).
What's the best time of year to visit Surabaya?
The best time to visit Surabaya is typically June to September, when daytime highs average a comfortable 31.2°C (88°F). Rainfall during this window averages around 31 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.
Is Surabaya's air quality safe right now?
As of the latest reading, Surabaya's air quality index (AQI) is 117, rated "Unhealthy for Sensitive Groups", based on the nearest monitoring station. Sensitive groups children, older adults, and those with respiratory conditions should limit prolonged outdoor exertion.