Weather in Matsuyama

Planning your day in the city of Matsuyama? In this section, you will find the latest information on weather conditions, including current data, forecasts, and useful charts to make your trip as comfortable as possible.

The climate in Matsuyama, located in Japan, can be characterized as temperate with four distinct seasons. The city enjoys warm, and at times hot, humid summers and relatively mild, cool winters. Spring and autumn are transitional seasons with pleasant temperatures.

Winter in Matsuyama (December-February) is cool, with average temperatures around 5-7°C. Spring (March-May) brings gradual warming, and by May, the average temperature reaches a comfortable 17.5°C. Summer (June-August) is the warmest period, with average temperatures rising to 25-27°C and maximum values approaching 29°C. Autumn (September-November) is characterized by a gradual decrease in temperature from warm September days to cooler November weather.

Regarding precipitation, it is distributed throughout the year; however, there is a noticeable increase in the amount and number of rainy days during the summer months, especially in June and July, when 8-9 mm of precipitation falls and there are 15-18 rainy days. This indicates a wetter summer season. Winter months, conversely, are the driest, with precipitation of just 2-3 mm.

The climate in Matsuyama is characterized by noticeable seasonal temperature changes. The annual range of average temperatures extends from a cool 5.6°C in January to a warm 26.7°C in August. Accordingly, January is the coldest month, when the average minimum temperature drops to 3.3°C, and the maximum daytime temperature usually does not exceed 8.0°C. In contrast, August is the hottest month, with an average maximum temperature reaching 29.0°C and an average minimum night-time temperature of around 24.3°C.

The summer months in Matsuyama, especially July and August, bring quite hot weather. Average daytime temperatures during this period consistently stay above 25°C, and in August, they can approach 30°C. Nights also remain warm, with average minimum values above 23°C in July and August. June is somewhat milder, with an average temperature of 21.3°C, but the approach of summer warmth is already felt. Overall, summer in Matsuyama can be described as warm and humid, also considering the number of days with precipitation.

Winter in Matsuyama, covering December, January, and February, is comparatively mild. Average temperatures during these months fluctuate between 5.6°C and 7.1°C. Night frosts are rare, as average minimum temperatures usually remain above 3°C. Daytime highs during the winter period are most often in the range of 8-9.5°C. Temperature differences between day and night throughout the year are not too great, usually amounting to about 4-6 degrees, indicating relatively stable daily temperature conditions.

In the city of Matsuyama, there is marked seasonality in the distribution of precipitation throughout the year. In general, summer is a wetter period, while winter is characterized by less precipitation. Despite fluctuations, rainy days occur throughout the year, but their frequency and intensity vary.

The wettest month in Matsuyama is usually July, when an average of 9 mm of precipitation falls, and there are about 18 rainy days. June is also distinguished by increased humidity with 8 mm of precipitation and approximately 15 days with rain. During these summer months, precipitation can be more frequent, creating the sensation of a rainy season, although the total amount of moisture falling remains moderate. August and September are also quite wet, with 6 mm of precipitation and roughly 16 rainy days in each.

The driest months are typically January, November, and December. In each of these months, only about 2 mm of precipitation falls. November stands out with the fewest rainy days – on average 9. In January and December, despite the low volume of precipitation, there are about 11 rainy days. Winter precipitation, considering the temperature regime, most likely falls in the form of rain.

The spring (March, April, May) and autumn (October) months represent transitional periods. In March, precipitation amounts to about 4 mm with 13 rainy days; in April and October – 5 mm with 10 rainy days; and in May – 6 mm with 11 rainy days. This indicates a gradual increase in humidity towards summer and its decrease towards winter.

When planning a trip to Matsuyama, it is important to consider the peculiarities of the local climate to make your holiday as comfortable as possible. Regardless of the time of year, comfortable walking shoes are an absolute necessity, as the city and its surroundings are perfect for long walks. Given the temperature fluctuations and the likelihood of precipitation, the principle of layering your clothes will become your best ally. Also, do not forget to take an umbrella or a light raincoat with you, as rainy days occur throughout the year, although the amount of precipitation varies.

The winter months (December-February) in Matsuyama are quite cool, with an average temperature of around 5-8°C. During this period, you will need warm clothes: sweaters, fleece tops, an insulated jacket, as well as a hat, scarf, and gloves. In early spring (March) and late autumn (November), the weather remains fresh, with average temperatures from 9°C to 16°C, so warm layers of clothing, such as a light jacket or a thick cardigan, will be very useful. The small amount of precipitation during these periods still suggests the presence of an umbrella.

From April to October, warmer weather settles in Matsuyama. In April, May, and October, the average temperature ranges from 13°C to 20°C, which is ideal for T-shirts, light jumpers, and windbreakers. Summer (June-August) is the hottest season with average temperatures of 21-29°C. For this time of year, choose light and breathable clothing made from natural fabrics, and do not forget sunscreen, a hat, and sunglasses. June and July stand out with the highest amount of precipitation and number of rainy days (15-18 days per month), so a compact umbrella or light raincoat will be especially useful during this period.