Weather will likely play an important role when you plan your trip to Beigan, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July, with an average temperature of 27°C, while the coldest months are January and February, with an average of 13°C. The rainiest months in Beigan are June, August, May and July, with each month seeing an average of 259 mm of rainfall.