Winters in Omura are cool and variable, with temperatures often below freezing in January and December, but occasionally rising into the mid-teens. Spring is a gradual warming trend, with temperatures increasing by around 8 degrees Celsius from March to May. Summer is hot and humid, with little variation in temperature from June to August, averaging highs of around 35-37°C. Autumn brings a return to cooler temperatures, with September being the warmest month before temperatures drop again in October and November. Overall, Omura's climate is mild, with no extreme cold or heat periods outside of the summer months.