Shima

Planning your day or a trip to Sima? Here you will find the most up-to-date weather information, including detailed forecasts and visual charts to help you prepare for any whims of nature.

The city of Sima, located in Japan, is characterized by a temperate climate with four distinct seasons. Visitors can expect a significant temperature range throughout the year, from cool winters to hot and potentially humid summers. Overall, the weather here offers a variety of conditions suitable for different types of activities depending on the timing of your trip.

Summer in Sima (June to August) is the warmest period, with average temperatures in August reaching 28.1°C. This season also features the highest number of rainy days, particularly from June to October, when the number of days with precipitation ranges from 15 to 19 per month, indicating a pronounced wet season. Peak rainfall in millimeters occurs in June and October. In contrast, winters (December to February) are quite mild and drier, with average temperatures around 7-9°C and the lowest rainfall and fewest rainy days. Spring (March-May) and autumn (September-November) are comfortable transitional periods with gradual temperature changes and moderate precipitation.

The climate in the city of Sima is characterized by distinct seasonal temperature changes. The annual temperature range is quite wide: the coldest month, January, has an average temperature of 7.1°C, with minimum night temperatures around 4.5°C and daytime highs up to 9.6°C. In contrast, August is the hottest month, with the average temperature reaching 28.1°C, while daytime highs often exceed 30°C (averaging 30.5°C), and nights remain very warm, with a minimum temperature of about 25.8°C.

Summer months in Sima, especially July and August, are marked by hot weather. Average daytime temperatures consistently stay above 29°C, and nights bring only slight relief, remaining warm. June is also warm, with an average temperature of 22.6°C. Given the high number of days with precipitation during the summer period (16-18 days in June-August), it can be assumed that the summer heat is often accompanied by high humidity, creating rather sweltering conditions.

Winter in Sima, spanning December, January, and February, brings cool weather but without severe frosts. Average temperatures range from 7.1°C in January to 9.1°C in December. At night, the temperature drops to an average of 4.5-6.5°C, and during the day it rises to 9.6-11.6°C. Temperature fluctuations between day and night throughout the year are moderate, usually ranging from 4.3°C to 6.7°C, which means there are no sharp drops. The transitional seasons, spring and autumn, are characterized by gradual temperature changes, offering comfortable conditions for visiting.

The city of Sima experiences noticeable seasonal variations in precipitation patterns. Generally, the winter months are the driest, while summer and early autumn bring more rain. Given the temperature regime, precipitation throughout the year falls predominantly as rain.

The lowest amount of precipitation in Sima occurs in January and December, when only about 2 mm falls, and the number of rainy days does not exceed six. These months can be considered the driest. With the arrival of spring, starting in March (5 mm of precipitation and 12 rainy days), the amount and frequency of rain gradually increase, peaking in the summer-autumn period.

The wettest months by rainfall volume are June and October, each receiving an average of 10 mm. However, September leads in terms of the frequency of rainy days, with rain falling on average 19 days that month. July and August are also characterized by high humidity, counting 18 rainy days each, although the total precipitation in these months is slightly lower (7 mm each). By November (4 mm of precipitation and 8 rainy days), the amount and frequency of rain decrease significantly, signaling the onset of the drier winter season.

When planning a trip to Sima, it is important to consider the variable weather throughout the year to ensure your luggage is packed correctly. In winter (December-February) and early spring (March), average temperatures range from 7°C to 11°C, with lows around 4-8°C. During this time, it is recommended to bring warm clothing: sweaters, fleece layers, an insulated jacket, as well as a hat and gloves, especially for evening walks. Although rainfall in these months is relatively low (2-5 mm), the frequency of rainy days (6 to 12 per month) makes a lightweight waterproof jacket—which can also protect against the wind—or an umbrella a useful addition to your wardrobe.

From April to May and October to November, the weather in Sima becomes milder, with average temperatures from 15°C to 19°C. During these transitional periods, as well as the warmer and more humid summer months (June-September) when average temperatures rise to 22-28°C (with highs above 30°C), layering becomes the key principle. In summer (June-September), light, breathable clothing made of natural fabrics is preferred. This period also features the highest rainfall (up to 10 mm per month) and the maximum number of rainy days (16 to 19 days per month), so a reliable umbrella or a light raincoat that can also provide some wind protection is absolutely essential. Don't forget sunscreen and a hat for sun protection, especially during the summer months.

Regardless of the season, comfortable walking shoes are your best companion for exploring Sima. The principle of layering your clothes will allow you to easily adapt to temperature changes throughout the day and when moving from air-conditioned indoors to the street. A compact umbrella will come in handy for most of the year, especially from March to October, given the number of rainy days. Sunglasses are also relevant for sunny days in spring, summer, and autumn.