Winters in Lawton are cold and variable, with temperatures often dropping below freezing but occasionally rising into the mid-20s. Spring arrives slowly, with March being a turning point where temperatures start to rise significantly, but April and May still experience some chilly days. Summer is hot, with temperatures frequently reaching over 35°C, although nighttime lows can be quite pleasant. Autumn brings a return to more moderate temperatures, with September often feeling like the beginning of autumn's cooling trend, while October and November see temperatures drop back down into the single digits and teens respectively.