Weather can make or break a road trip, so we've gathered some data about year-round temperatures in Tiom to help you plan yours. The hottest months are usually May and October, with an average temperature of 16°C, while the coldest months are August and July, with an average of 15°C. The rainiest months in Tiom are March, April, February and January, with each month seeing an average of 683 mm of rainfall.