Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.

Health & Activity Advice

⚠ Take Precautions

UV index is 7 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).

Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.

High humidity (99%) combined with the heat means it will feel more uncomfortable than the air temperature alone suggests — stay hydrated if you're active outside.

Nearby Regional Outlook

Johor Bahru Weather Radar

Live precipitation · Cloud cover · Wind

View live radar →

Frequently Asked Questions

What is the hottest month in Johor Bahru?

The hottest month in Johor Bahru is typically March, with daytime highs averaging around 30.7°C (87°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 Johor Bahru?

The coldest month in Johor Bahru is typically January, with overnight lows averaging around 23.6°C (74°F) and daytime highs near 29°C (84°F), based on 10 years of historical weather data.

Does Johor Bahru have a rainy season?

Johor Bahru doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. November is the wettest month on average (about 361 mm), while February is the driest (about 117 mm).

What's the best time of year to visit Johor Bahru?

The best time to visit Johor Bahru is typically February, when daytime highs average a comfortable 30°C (86°F). Rainfall during this window averages around 117 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Is Johor Bahru's air quality safe right now?

As of the latest reading, Johor Bahru's air quality index (AQI) is 94, rated "Moderate", based on the nearest monitoring station. Air quality is acceptable, though unusually sensitive individuals may notice minor effects.

Atmospheric Details

Wind

3 km/h

SE · Light Breeze · Max 10 km/h

Humidity

99 %

High · feels muggy

UV Index

Very High

Visibility

10 km

Excellent

Pressure

1008 hPa

Stable

Dew Point

25°C

Very humid

Today vs Normal

30°C+1° above normal

The long-term average high for today is 29°C.

19 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

Red = above normal, blue = at or below · last 12 days

Air Quality

Unhealthy for Sensitive Groups

Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.

Health & Activity Advice

⚠ Take Precautions

UV index is 7 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).

Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.

High humidity (99%) combined with the heat means it will feel more uncomfortable than the air temperature alone suggests — stay hydrated if you're active outside.