Cambodia Weather by Month: Temperature & Rainfall Guide

In January the weather in Cambodia ranges from good in Banlung to excellent in Siem Reap. The temperatures range from high in Koh Rong Island with 29°C (84°F) to very high in Banlung with 35°C (95°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Cambodia in January here.

In February the weather in Cambodia ranges from mixed in Battambang to excellent in Kep. The temperatures range from high in Koh Rong Island with 29°C (84°F) to extremely high in Banlung with 37°C (99°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Cambodia in February here.

In March the weather in Cambodia ranges from less favorable in Siem Reap to very good in Sihanoukville. The temperatures range from high in Koh Rong Island with 30°C (86°F) to extremely high in Sisophon with 38°C (100°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Cambodia in March here.

In April the weather in Cambodia ranges from less favorable in Siem Reap to good in Sihanoukville. The temperatures range from very high in Koh Rong Island with 30°C (86°F) to extremely high in Banteay Chhmar with 38°C (100°F). On average, this month is one of the warmest months of the year in Cambodia. So be prepared and make sure to dress lightly.

Find more detailed climate information for Cambodia in April here.

In May the weather in Cambodia is generally less favorable. The temperatures range from very high in Koh Rong Island with 30°C (86°F) to extremely high in Battambang with 37°C (99°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Cambodia in May here.

In June the weather in Cambodia ranges from less favorable in Phnom Penh to mixed in Siem Reap. The temperatures range from high in Koh Rong Island with 30°C (86°F) to extremely high in Battambang with 36°C (97°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Cambodia in June here.

In July the weather in Cambodia ranges from less favorable in Sihanoukville to good in Siem Reap. The temperatures range from high in Sen Monorom with 29°C (84°F) to very high in Pursat with 35°C (95°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Cambodia in July here.

In August the weather in Cambodia ranges from less favorable in Sihanoukville to good in Takeo. The temperatures range from high in Sen Monorom with 29°C (84°F) to very high in Pursat with 35°C (95°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Cambodia in August here.

In September the weather in Cambodia is generally less favorable. The temperatures range from high in Koh Rong Island with 29°C (84°F) to very high in Battambang with 34°C (93°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Cambodia in September here.

In October the weather in Cambodia ranges from less favorable in Siem Reap to good in Banteay Chhmar. The temperatures range from high in Koh Rong Island with 29°C (84°F) to very high in Battambang with 33°C (91°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Cambodia in October here.

In November the weather in Cambodia ranges from good in Sihanoukville to very good in Siem Reap. The temperatures range from high in Koh Rong Island with 30°C (86°F) to very high in Banlung with 33°C (91°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Cambodia in November here.

In December the weather in Cambodia ranges from very good in Sihanoukville to excellent in Siem Reap. The temperatures range from high in Sen Monorom with 29°C (84°F) to very high in Banlung with 33°C (91°F). On average, this month is the coldest month of the year in Cambodia.

Find more detailed climate information for Cambodia in December here.