Weather in Saga

Find out everything about the current weather in the city of Saga. In this section, you will find up-to-date summaries, detailed forecasts, and visual weather charts to help plan your day.

The city of Saga, located in Japan, is characterised by a humid subtropical climate. This means that four seasons are clearly defined here: a warm and humid summer is followed by a mild and drier winter. The weather generally offers diverse conditions throughout the year, allowing you to plan your trip depending on your preferences.

The summer months, especially from June to August, are the hottest, with average temperatures reaching 27-28°C in July and August. This period is also the wettest: for example, July sees the highest amount of rainfall for the year (10 mm) and the highest number of rainy days – up to 20 days. Winter, on the contrary, is quite mild, with average temperatures in January and December hovering around 6-8°C, and the amount of precipitation and number of rainy days (8-10 days) are significantly lower than in summer. Spring (March-May) and autumn (September-November) are pleasant transitional seasons with gradual temperature changes and moderate rainfall, making them a comfortable time to visit Saga.

The climate in the city of Saga is characterised by noticeable seasonal temperature changes. Throughout the year, residents and guests of the city can observe the transition from a cool winter to a hot summer. The coldest month is typically January, with an average temperature of about 6.5°C, when nightly lows can drop to 3.7°C, and daily highs rarely exceed 9.2°C. Conversely, August is the peak of summer; it is the hottest month with an average temperature of 27.9°C, with daytime heat often reaching 30.8°C, while nights remain very warm, around 25.1°C.

Summer months in Saga, especially July and August, are distinguished by hot and rather humid weather. Average daytime temperatures during this period confidently stay above 29°C, and in August can exceed 30°C. June is a transitional month to summer heat, with average temperatures around 22.9°C, but already with perceptible warming. Summer nights are also warm, with temperatures rarely falling below 20°C in June and remaining above 24°C in July and August. The high number of days with precipitation in the summer months also contributes to the sensation of humidity.

Winter in Saga, covering December, January, and February, is generally mild and cool. Average temperatures range from 6.5°C to 7.8°C. Night frosts occur, but average minimum temperatures remain above freezing, in the range of 3.7°C - 5.1°C. During the day, the temperature usually rises to 9-10°C. Spring (March-May) and autumn (September-November) represent comfortable transitional seasons with a gradual rise or fall in temperature. For example, in April the average temperature is a pleasant 15.0°C, and in October – a comfortable 19.0°C. Diurnal temperature fluctuations exist, but they are moderate; usually the difference between the daily maximum and nightly minimum is about 5-7°C, which is typical for the region.

In the city of Saga, a pronounced seasonality in the distribution of precipitation is observed throughout the year. The greatest amount of rain falls during the summer months, forming a distinct wet season, while late autumn and winter are characterised by significantly less precipitation. Given the average monthly temperatures, precipitation falls predominantly in the form of rain.

The wettest period in Saga is summer. July stands out as the month with the highest amount of precipitation, reaching an average of 10 mm, and the highest number of rainy days – about 20. This means that it rains quite often in July. June is also a rainy month with 9 mm of precipitation and approximately 15 rainy days, while August brings about 8 mm of precipitation and 16 days with rain. May and September are also characterised by increased humidity: about 6 mm of precipitation falls in May (13 rainy days), and 6 mm in September (14 rainy days).

The driest months in Saga are November, December, and January. During this period, the amount of precipitation is minimal and amounts to only about 2 mm per month. The number of rainy days also decreases, averaging 8 days in November and December, and 10 days in January. Precipitation in these months is generally not abundant. February and October are transitional, with slightly more precipitation (3 mm) and 9-10 rainy days, but still remaining relatively dry compared to the summer peak. The spring months, March and April, bring a moderate amount of precipitation, about 4 mm, with 12 and 9 rainy days respectively.

When planning a trip to Saga, it is important to consider the change of seasons, as the weather here changes noticeably throughout the year. Regardless of the time of your visit, comfortable walking shoes will be your best companion for exploring the city. Given that Saga has quite a few days with precipitation all year round, even if the amount of precipitation itself is small, a compact umbrella or a light raincoat will be very handy. The principle of layering in clothing will help you easily adapt to temperature changes during the day, especially in transitional seasons.

The summer months in Saga, from June to August, are characterised by warm and humid weather, with temperatures reaching an average of 23-28°C, and sometimes exceeding 30°C. This period also sees the highest amount of precipitation, especially in June and July, when the number of rainy days can reach 15-20. Therefore, be sure to bring light, breathable clothing made from natural fabrics, sunscreen, a hat, and sunglasses. A reliable umbrella or a good raincoat is simply essential. Spring (March-May) brings gradual warming, with average temperatures rising from 11°C to 19°C. A light jacket and the ability to remove or add a layer of clothing will be very useful.

In autumn (September-November), the weather becomes cooler, with average temperatures dropping from 24°C in September to 13-14°C in November. Rainfall decreases, but an umbrella may still come in handy. It is recommended to bring jumpers, a light jacket, and trousers. Winter in Saga (December-February) is quite cool, with average temperatures around 6-8°C, sometimes dropping to 3-4°C. You will need warm clothing: sweaters, a warm jacket, perhaps a hat, scarf, and gloves, especially for evening walks. Although there is little precipitation in winter, light waterproof outerwear will not be amiss.