Katsushika

Planning your day in Katsushika? Here you will find the most up-to-date weather information, including detailed forecasts and clear charts.

The climate in Katsushika can be described as temperate, with four distinct seasons. Throughout the year, there are significant temperature fluctuations, allowing visitors to experience the unique charm of every season. The city is not prone to extreme weather events, making it an attractive destination year-round, depending on your preferences.

Summer in Katsushika, spanning from June to August, is warm and sunny, with average temperatures rising to 28°C in August. Winters, from December to February, are quite cool but mild, with an average temperature of around 5-7°C. Spring (March–May) and autumn (September–November) offer pleasant, moderate temperatures, ideal for walking and exploring the city.

Precipitation in Katsushika is distributed relatively evenly throughout the year, although the number of rainy days increases slightly from May to October. The highest rainfall (7 mm) and most rainy days (15 days) occur in October, which may indicate a wetter period; however, overall precipitation levels are low. This means that even during "rainy" months, showers are not overly intense, allowing you to plan activities despite the potentially changeable weather.

Katsushika experiences significant seasonal temperature fluctuations throughout the year. The hottest month is typically August, when the average temperature reaches 28.0°C, and daily highs can rise to 31.1°C. Nights in August are also warm, with an average minimum temperature of around 25.0°C. The coldest month is January, with an average temperature of 4.9°C. In January, the average minimum temperature drops to 0.7°C, and the maximum daytime temperature rarely exceeds 9.1°C.

Summer months in Katsushika, especially July and August, are characterized as hot. Daytime temperatures consistently stay above 29°C, with average temperatures of 26.8°C in July and 28.0°C in August. Nights offer only slight relief, remaining quite warm. Conversely, winter is cool. From December to February, average temperatures range from 4.9°C to 7.1°C. Night frosts are possible, particularly in January, when the mercury can drop close to zero. Daytime temperatures in winter usually stay above freezing but rarely rise above 10-11°C.

The transitional seasons, spring and autumn, offer more moderate temperatures. In spring, from March to May, the temperature gradually increases: the average rises from 10.5°C in March to 19.2°C in May. In autumn, from September to November, there is a reverse trend: from a warm average of 24.4°C in September to a cool 13.0°C in November. Regarding diurnal temperature variations, during the winter and early spring months (December to March), the difference between daytime highs and nighttime lows averages 8.3-8.6°C. In other months (April to November), these fluctuations are somewhat smaller, ranging mainly from 5.7°C in September to 7.8°C in April, indicating more stable temperatures throughout the day during the warmer months compared to the colder ones.

In Katsushika, precipitation is distributed throughout the year, though there are noticeably wetter and drier periods. While there is no intense rainy season or completely dry season, rainfall amounts and the number of rainy days vary significantly from month to month. Winter months, such as December and January, are characterized by the lowest amount of precipitation.

The highest rainfall in Katsushika occurs in October, with an average of 7 mm recorded. The summer and early autumn months are also quite wet: June, July, and September each bring about 6 mm of precipitation. The driest month is December, with only 1 mm of rainfall, followed by January and February with 2 mm. Given the temperature patterns, precipitation mostly falls as rain. In winter, with minimum temperatures around 0.7°C to 3.0°C, mixed precipitation is possible, but snow is not a typical occurrence.

The frequency of rainy days also changes. The highest number of days with precipitation occurs in July and October—averaging 15 days each. May, June, and September are also fairly rainy, with approximately 14 rainy days. The fewest rainy days are seen in December and January—only about 6 days per month. This means that even in the driest months, there is still a chance of rain, but it occurs much less frequently than during the peak of the wet season.

When planning a trip to Katsushika, it is important to consider the distinct seasonal changes to pack correctly. In winter (December–February), average temperatures range from 4.9°C to 7.1°C, occasionally dropping to 0.7°C, so warm clothes are essential: sweaters, thermal wear, a warm jacket, a hat, a scarf, and gloves. In spring (March–May) and late autumn (November), the weather becomes milder, with temperatures between 10°C and 19°C. During these transitional periods, layering is ideal—T-shirts, long-sleeve shirts, a fleece, or a light jacket will keep you comfortable as temperatures fluctuate throughout the day.

Summer in Katsushika (June–August) is warm and humid, with average temperatures reaching 22-28°C and highs that can exceed 30°C. Choose light, breathable clothing made from natural fabrics. Since there are quite a few rainy days from May to October (13-15 days per month) and rainfall increases, especially in June, July, and October (up to 6-7 mm), a compact umbrella and a light waterproof jacket will be your best companions. Early autumn (September–October) can also be rainy. Regardless of the season, comfortable walking shoes are an absolute necessity, and don't forget sunscreen for sunny summer days.