Weather in Semarang Today
Current temperature in Semarang: 32°C (90°F). Mainly Clear. Today's high 36°C (97°F), low 25°C (77°F).
Today's Daylight Forecast
Moon & Islamic Calendar
AQI 152 Unhealthy for sensitive groups. Wear a mask if going outside for extended periods.
5-Day Weather Forecast
Full 15-Day ForecastAtmospheric Details
Today vs Normal
The long-term average high for today is 35°C.
3 of the last 19 days with published data ran above normal.
That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.
Red = above normal, blue = at or below · last 12 days
Air Quality
Health effects can be immediately felt by sensitive groups. Healthy individuals may experience difficulty breathing and throat irritation with prolonged exposure. Limit outdoor activity.
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.
Health effects can be immediately felt by sensitive groups. Healthy individuals may experience difficulty breathing and throat irritation with prolonged exposure. Limit outdoor activity.
Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.
It will feel notably hot outside — pace yourself and drink water if you're outdoors for long periods.
Nearby Regional Outlook
Semarang Weather Radar
Live precipitation · Cloud cover · Wind
Frequently Asked Questions
What is the hottest month in Semarang?
The hottest month in Semarang is typically August, with daytime highs averaging around 33.5°C (92°F), based on 10 years of historical weather data. Overnight lows during this period average near 23.9°C (75°F).
What is the coldest month in Semarang?
The coldest month in Semarang is typically July, with overnight lows averaging around 23.8°C (75°F) and daytime highs near 32.8°C (91°F), based on 10 years of historical weather data.
Does Semarang have a rainy season?
Semarang 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 286 mm), while July is the driest (about 35 mm).
What's the best time of year to visit Semarang?
The best time to visit Semarang is typically May to September, when daytime highs average a comfortable 32.7°C (91°F). Rainfall during this window averages around 65 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.
Is Semarang's air quality safe right now?
As of the latest reading, Semarang's air quality index (AQI) is 152, rated "Unhealthy", based on the nearest monitoring station. Everyone may begin to notice health effects; sensitive groups should avoid prolonged outdoor exertion.