Yaizu

Stay up to date with the latest weather conditions in Yaizu. Below you will find current data, forecasts, and helpful weather charts.

The climate in Yaizu, Japan, can be described as temperate and humid, with clearly defined seasons. The city experiences significant temperature fluctuations throughout the year, as well as a notable amount of rainfall, particularly during the summer months.

Winters in Yaizu (December–February) are relatively mild, with average temperatures around 6–8°C and minimal precipitation. Spring (March–May) brings gradual warming, with average temperatures rising to 10–18°C and an increasing number of rainy days. Summer (June–August) is the hottest and most humid period. Average temperatures range from 21–27°C, with highs sometimes approaching 30°C. This season is also characterized by the highest rainfall and most frequent rainy days, indicating a distinct summer monsoon influence.

Autumn (September–November) brings a gradual cool-down and a decrease in precipitation compared to summer, although September can still be quite rainy. Average temperatures during this period range from 24°C in September to 13°C in November. Overall, the weather in Yaizu offers diverse conditions depending on the season, featuring warm, humid summers and cool, drier winters.

The climate in Yaizu is characterized by noticeable seasonal temperature changes throughout the year. January is typically the coldest month, with an average temperature of around 6.0°C; minimum night temperatures can drop to 2.7°C, while daytime highs reach 9.3°C. In contrast, the peak heat occurs in August, with an average temperature of 26.7°C; during this month, daytime temperatures often rise to 29.3°C, and night temperatures rarely fall below 24.0°C. The annual temperature cycle shows a smooth transition between seasons.

Summer months in Yaizu, from June to August, feature warm and occasionally hot weather. In June, the average temperature is 21.2°C, gradually rising to 26.7°C in August. Daytime highs at the peak of summer (July–August) hover around 28.0–29.3°C. Nights also remain very warm, with minimum temperatures ranging from 18.2°C in June to 24.0°C in August. The relatively small difference between day and night temperatures in summer indicates consistently warm weather, which can feel quite humid, especially in July and August.

The winter period, from December to February, is cool in Yaizu but without severe frosts. Average monthly temperatures during this time range from 6.0°C in January to 7.9°C in December. During the day, the thermometer usually reads between 9.3°C and 11.3°C, while at night, temperatures drop to around 2.7°C–4.5°C. Winter months show a more significant temperature fluctuation between day and night compared to summer: daytime warmth is replaced by a noticeable evening and nighttime chill.

The city of Yaizu sees a distinct seasonality in precipitation throughout the year. The summer months bring the most moisture, creating a prominent wet season, while winter is characterized by significantly lower rainfall, marking a drier period for the region.

Rainfall in Yaizu peaks during the summer. June and July are the wettest in terms of precipitation volume, averaging about 12 mm each. However, the highest number of rainy days occurs in August—around 22 days—as well as in July and September, which see about 21 rainy days per month. Precipitation during this period tends to be more intense and frequent.

The driest months of the year are December and January, with only about 2 mm of precipitation and a minimum number of rainy days (approximately 7–8). Spring (March to May) and autumn (October to November) see a gradual shift in rainfall amounts and frequency, bridging the gap between the dry winter and wet summer periods. Given the average monthly temperatures, precipitation in Yaizu occurs primarily as rain throughout the year.

When planning a trip to Yaizu, it’s important to account for the year-round weather variations to ensure you pack correctly. Layered clothing should be the foundation of your wardrobe, as temperatures can shift noticeably. Regardless of the season, comfortable walking shoes are essential, as Yaizu and its surroundings are perfect for exploring on foot. Given the number of rainy days, especially from May to September when rainfall peaks, an umbrella or a lightweight waterproof jacket is an indispensable accessory.

During the summer months (June to August), when average temperatures rise to 25–27°C and the number of humid days peaks (up to 22 days in August), prioritize light, breathable clothing made from natural fabrics. Don’t forget sunscreen, a hat, and sunglasses. In spring (March–May) and autumn (September–November), the weather is milder but still quite damp. During these periods, you’ll need a mix of light items and sweaters or fleece jackets, along with a windbreaker or a light coat. For instance, in May, the average temperature is around 18°C but with frequent rain, while October sees similar temperatures (around 18.4°C) and regular precipitation.

In winter (December to February), Yaizu is cool, with average temperatures hovering around 6–7°C and dropping to 2–3°C at night. Although there is less rain in winter, you will definitely need warm clothes: sweaters, heavy trousers, a winter jacket, a hat, a scarf, and gloves. Despite the lower precipitation, windy conditions can make it feel much colder outside, so wind protection will come in handy.