Yokotemachi's winters are cold and snowy, with January temperatures averaging around -1°C and February slightly warmer at 0°C. Spring arrives in March, bringing mild temperatures that rise to an average of 6°C, but can still drop to just above freezing. Summer months see a significant increase in temperature, with July and August averages reaching a high of 25°C, although occasional heatwaves can push temperatures into the mid-30s. Autumn brings slightly cooler temperatures, averaging around 9°C in November, before dropping again for winter. Overall, the region experiences moderate seasonal changes, but temperatures can fluctuate significantly from month to month.