Shah Alam

General Climate Overview

Shah Alam, located in the state of Selangor, Malaysia, experiences a tropical rainforest climate (Köppen climate classification Af). This means the city has high humidity, abundant rainfall, and warm temperatures throughout the year. The climate is characterized by two main seasons: the wet season and the dry season.

Seasonal Variations

1. Wet Season (May to October):

   • Rainfall: This period sees the highest rainfall, particularly from May to September. Thunderstorms are common, especially in the afternoons.
   • Humidity: Humidity levels can reach up to 90%, making it feel hotter than it actually is.
   • Temperature: Average daily temperatures range from 24°C to 32°C (75°F to 90°F).

2. Dry Season (November to April):

   • Rainfall: Rainfall decreases significantly, especially from February to April.
   • Humidity: Humidity remains high but is slightly lower than during the wet season.
   • Temperature: Average daily temperatures range from 23°C to 31°C (73°F to 88°F).

Average Temperatures

• January: 23°C - 31°C (73°F - 88°F)
• February: 23°C - 32°C (73°F - 90°F)
• March: 24°C - 32°C (75°F - 90°F)
• April: 24°C - 32°C (75°F - 90°F)
• May: 24°C - 32°C (75°F - 90°F)
• June: 24°C - 32°C (75°F - 90°F)
• July: 24°C - 32°C (75°F - 90°F)
• August: 24°C - 32°C (75°F - 90°F)
• September: 24°C - 32°C (75°F - 90°F)
• October: 24°C - 32°C (75°F - 90°F)
• November: 24°C - 31°C (75°F - 88°F)
• December: 24°C - 31°C (75°F - 88°F)

Humidity Levels

• Average Humidity: Generally ranges from 70% to 90% throughout the year.
• Impact: High humidity can make temperatures feel warmer, so it’s important to stay hydrated and take breaks in air-conditioned spaces.

Practical Considerations for Visitors and Residents

1. Clothing Recommendations:

   • Lightweight Fabrics: Opt for breathable, lightweight clothing made from cotton or linen to stay cool.
   • Rain Gear: During the wet season, carry an umbrella or a light raincoat, as sudden downpours are common.
   • Comfortable Footwear: Wear comfortable shoes suitable for walking, as you may encounter wet surfaces.

2. Activities Suited to the Climate:

   • Indoor Activities: Visit shopping malls, museums, and indoor attractions during the hottest parts of the day or during heavy rain.
   • Outdoor Activities: Early morning or late afternoon is the best time for outdoor activities like jogging, cycling, or visiting parks to avoid the midday heat.

3. Health Considerations:

   • Hydration: Drink plenty of water to stay hydrated, especially during outdoor activities.
   • Sun Protection: Use sunscreen, wear hats, and sunglasses to protect against UV rays, which can be intense even on cloudy days.

4. Transportation Tips:

   • Public Transport: Utilize air-conditioned public transport options like buses and the Light Rail Transit (LRT) to avoid the heat.
   • Taxis and Ride-Sharing: Consider using taxis or ride-sharing services for convenience, especially during heavy rain.

Conclusion

Shah Alam’s tropical climate offers a warm and humid environment year-round, with distinct wet and dry seasons. By understanding the temperature patterns, humidity levels, and practical considerations, visitors and residents can better adapt to the local climate and enjoy their time in this vibrant city.