This chart shows a selection of world cities where warm season grasses are often grown. The cities are plotted on the chart by their average temperature, precipitation, and sunshine hours for the month of December.

This should be a great month to grow grass (or holiday) at Bangkok. Next to Cape Town, Bangkok is the sunniest place (on average) in this dataset, the rainfall is minimal, and the temperatures are suitable for active growth of C₄ grasses.