Winter in Okaya is cold and variable, with temperatures often dropping below freezing, averaging around 0°C in January. As the season progresses into February, temperatures begin to rise, but still experience significant fluctuations between -10°C and 20°C. Spring arrives in March, bringing warmer temperatures that steadily increase throughout the month, eventually reaching up to 25°C on average. Summer months of June, July, and August are hot, with temperatures consistently above 24°C, occasionally reaching highs of over 35°C. Autumn sees a return to more moderate temperatures, with September averaging around 20°C before dropping back down in October, which still experiences some warm days amidst the cooler averages.