Hatsukaichi

Check the current weather in Hatsukaichi! Below you'll find real-time data, detailed forecasts, and helpful charts to help you plan your day.

The climate in Hatsukaichi, Japan, can be described as temperate with four distinct seasons. The city experiences significant temperature fluctuations throughout the year, which is typical for this climatic zone. Visitors should prepare for a variety of weather conditions depending on the timing of their trip.

Winters in Hatsukaichi (December–February) are quite cool, with average temperatures around 3.8°C - 5.4°C, and nighttime temperatures can drop close to zero. Summers (June–August), by contrast, are warm and humid, with average temperatures reaching 21.1°C - 26.6°C. Spring and autumn are transitional seasons with comfortable temperatures, perfect for walking and sightseeing.

Precipitation is distributed throughout the year; however, there is an increase in both the amount of rainfall and the number of rainy days during the summer months—especially in July, which sees about 10 mm of precipitation and up to 20 rainy days. This indicates a wetter summer period. The driest months are January, November, and December, with minimal precipitation.

The climate in Hatsukaichi is characterized by noticeable seasonal temperature changes. Throughout the year, average temperatures range from cool winter values to warm, and sometimes hot, summers. The coldest month is usually January, when the average temperature is about 3.8°C, and nighttime lows can drop to an average of 0.6°C. Conversely, August is the hottest month, with an average temperature of 26.6°C and daytime highs reaching an average of 29.9°C.

Summer months, especially July and August, are quite warm in Hatsukaichi. Average daytime temperatures during this period stay consistently above 20°C, with peaks around 28–30°C. Nights are also warm, with average minimum temperatures rarely falling below 22–23°C at the height of summer. Winter, from December to February, brings cool weather. Average daytime temperatures hover around 7–8.5°C, while nighttime temperatures often drop close to freezing, especially in January and February, when the average minimums are 0.6°C and 1.0°C, respectively. Moderate diurnal temperature fluctuations are observed throughout the year, usually within a range of 6–8°C between daytime highs and nighttime lows, providing a noticeable difference between daytime warmth and nighttime coolness.

The city of Hatsukaichi experiences distinct seasonality in the distribution of precipitation throughout the year. Overall, there is a wetter summer period and relatively dry winter months. While the total precipitation is not extremely high, the frequency of rain can be significant during certain seasons.

The wettest period in Hatsukaichi is summer, especially July, which sees an average of 10 mm of precipitation and up to 20 rainy days. June and August are also characterized by higher precipitation (8 mm) and a significant number of rainy days (15 and 16 days, respectively). September continues this trend with 7 mm of rainfall and 15 rainy days. During these summer and early autumn months, rain occurs frequently, which is typical of the monsoon influence in Japan.

The lowest amount of precipitation occurs in late autumn and winter. November, December, and January are the driest months in terms of volume, with only 2 mm each. February is only slightly wetter at 3 mm. Despite the low volume, precipitation still occurs: November has about 8 days with precipitation (the lowest in the year), while January, February, and December have 10–11 days. Given the winter temperatures—especially minimums around 0.6°C to 2.3°C in January, December, and February—precipitation during these months can fall not only as rain but also as snow, although the data does not specify the exact amount.

The spring months (March, April, May) and mid-autumn (October) are transitional. In March, April, and May, the amount of precipitation gradually increases from 4 mm to 5 mm, with the number of rainy days ranging from 11 to 13. October, conversely, shows a decrease in precipitation to 4 mm and only 9 rainy days, foreshadowing the drier winter season.

When planning a trip to Hatsukaichi, it's important to consider seasonal weather changes to pack correctly. Generally, the climate here is temperate with four distinct seasons. For comfortable travel around the city and its surroundings at any time of year, you will need comfortable walking shoes. Layering your clothes will also be your best friend, allowing you to adapt to temperature changes throughout the day.

Winter months (December–February) in Hatsukaichi are quite cool, with average temperatures around 3–5°C and nighttime frosts. Be sure to bring warm clothing: sweaters, fleece tops, an insulated jacket (preferably wind- and waterproof), a hat, gloves, and a scarf. Although precipitation is low, about 10–11 days a month can be rainy or snowy, so waterproof outerwear and shoes will come in handy. In spring (March–May), the temperature gradually rises from 9°C in March to 17.5°C in May. You will need a light jacket or trench coat, jumpers, and T-shirts. An umbrella or light raincoat will be useful, as the number of rainy days stays around 11–13 per month.

Summer (June–August) in Hatsukaichi is warm and humid, with average temperatures ranging from 21°C to 26.6°C. June and especially July are the rainiest months, with 15–20 rainy days and the highest levels of precipitation. Bring light, breathable clothing made of natural fabrics, shorts, and T-shirts. A reliable umbrella or raincoat is essential. Also, don't forget sunscreen and a hat for sun protection on clear days. Autumn (September–November) brings a gradual cooling: from a pleasant 23°C in September to 11°C in November. Early autumn is comfortable in light clothing, but by November, you'll need sweaters and a jacket. Precipitation and rainy days decrease, but it's still worth keeping an umbrella with you.