Other facts from our historical weather data: Which months have the greatest rainfall in Little River? Most rainfall (rainy season) is seen in March and December. Does Little River have a dry season? Yes, the months of June, July, August and September are very dry. Which is the warmest month in Little River? August has an average maximum temperature of 18°C (64°F) and is the warmest month of the year. Which is the coldest month in Little River? The coldest month is January with an average maximum temperature of 13°C (55°F). Which is the wettest month in Little River? December tops the wettest month list with 200mm (7.9 in) of rainfall. Which is the driest month in Little River? August is the driest month with 2mm (0.1 in) of precipitation. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.