Other facts from our historical weather data: When is summer in Wendover?The hottest season / summer takes place in June, July, August and September. Which is the warmest month in Wendover? July has an average maximum temperature of 34°C (93°F) and is the warmest month of the year. Which is the coldest month in Wendover? The coldest month is January with an average maximum temperature of 2°C (36°F). Which is the wettest month in Wendover? May tops the wettest month list with 22mm (0.9 in) of rainfall. Which is the driest month in Wendover? February is the driest month with 6mm (0.2 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.