June in Los Alamos is the warmest month of the year. In June, the weather in Los Alamos is typically warm. Average daily high temperature in June is about 25 degrees above zero. On average, Los Alamos has 20 sunny and 10 partly cloudy days in June. June as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Los Alamos.