Weather can make or break a road trip, so here's some data about year-round temperatures in Angk Ta Saom to help you plan yours: The hottest months are usually March and April, with an average temperature of 29°C, while the coldest months are January and February, with an average of 27°C. The rainiest months in Angk Ta Saom are October, September, July and August, with each month seeing an average of 283 mm of rainfall.