Celebrated in January or February, Chinese New Year is a significant cultural event with vibrant decorations, lion dances, and traditional performances. Many Chinese temples and cultural centres in Subang Jaya hold special events during this period.

This Muslim festival marks the end of Ramadan (fasting month) and is celebrated with open houses, feasting, and traditional Malay cultural performances during Hari Raya Aidilfitri. It typically falls in May or June, depending on the Islamic lunar calendar.

Celebrated by the Indian community, Deepavali is the Festival of Lights, symbolising the victory of light over darkness that is celebrated between October and November. Expect colourful decorations, cultural performances, and special events in neighbourhoods like USJ and areas with a significant Indian population.

Malaysian culture is closely tied to its diverse culinary heritage. Look out for food festivals, bazaars, and markets in Subang Jaya where you can sample traditional Malaysian dishes and delicacies from different cultures.

You might want to avoid the monsoon season typically from March to May and September to November if you’re not okay with experiencing heavy rainfall that can impact outdoor plans and travel. During the dry season from June to August and December to February, you can expect less rainfall and more sunshine that is perfect for outdoor activities. However, be wary of the heat. So, plan your visit based on your tolerance for heat and humidity.

Second option, consider Malaysian school holidays which generally occur in March, June, and November/December if you're visiting with family. During these times, popular attractions and theme parks in nearby areas like Sunway Lagoon may be busier but offer special events and promotions.

Third option, consider visiting during cultural festivals or events such as Chinese New Year (January/February), Hari Raya Aidilfitri (Muslim festival, varies by year), or Deepavali (October/November). These celebrations offer a vibrant atmosphere with cultural activities, markets, and food.

Downtown is the best area to stay in Subang Jaya because you can go to interesting tourist attractions that are usually located in the downtown area at ease and most importantly, access to public transportation. Some of the areas are Subang Jaya City Centre (SS15), Bandar Sunway, USJ (Uptown Subang Jaya) and Taipan Business Centre.

The currency in Subang Jaya is Malaysian Ringgit (RM), just like the rest area in Malaysia. The payments available in Subang Jaya are varied. Major credit cards such as Visa, MasterCard, and American Express are widely accepted in malls, hotels, restaurants, and larger stores. Debit cards with a Visa or MasterCard logo are also commonly accepted.

There are plenty of ATMs in Subang Jaya that allow you withdraw Malaysian Ringgit, even if you are using international debit or credit cards. However, be aware of any fees your bank may charge for international transactions.

Mobile payment or cashless transactions in general are accepted in Subang Jaya. These can be used to pay for meals, shopping, transportation, and more.

Cash payment is also still widely accepted in Subang Jaya, especially for smaller purchases, street vendors, and local markets. It's advisable to carry small denominations for convenience nevertheless. Having cash on hand allows you to make quick transactions, especially in places where card terminals may not be available or reliable.