Weather in Chios

To ensure your journey is comfortable, find out the current weather forecast for the city of Chios. Below, you will find the latest data, temperature charts, and information regarding weather conditions for the coming days.

The climate of the city of Chios can be described as classic Mediterranean, making it an attractive destination for travellers at almost any time of the year. This region is characterised by mild, wet winters and hot, arid summers. Thanks to the influence of the sea, it is rarely extremely cold or unbearably humid here, and the weather generally remains comfortable and predictable.

The summer season, lasting from June to September, is distinguished by an abundance of sunshine and an almost total absence of precipitation. In July and August, rain is a rarity, and the average air temperature hovers around 26°C, reaching a maximum of about 29°C. This is the ideal time for those planning a beach holiday and wishing to enjoy the warm Aegean Sea.

Winter in Chios is mild but rainy. The wettest months fall in December and January, when the number of rainy days can reach 13–14 per month. The temperature during this period usually does not drop below 9°C, ruling out severe frosts. Spring and autumn represent a pleasant transitional period with moderate warmth, when nature comes alive and the weather favours long walks and sightseeing without the summer heat.

The temperature regime on the island of Chios is noted for its smoothness and predictability, characteristic of the Mediterranean climate. The annual cycle begins with the coolest months: in January and February, the average temperature holds at 11°C. Gradual warming begins in March, reaching peak values in the height of summer, when the air warms up to an average of 26°C. This steady rise allows tourists to comfortably plan trips, avoiding sudden climatic surprises.

The summer season in this region of Greece can be characterised as hot and stable. The hottest months are traditionally July and August, when daytime highs reach 29°C. Notably, nights during this period remain very warm, with an average minimum temperature of around 23°C. Such a small difference between daytime and nighttime figures (only about 6 degrees) creates a balmy atmosphere, which is perfect for long evening strolls, although it does not bring significant coolness after sunset.

Winter in Chios is mild and completely devoid of harsh frosts. Even on the coldest nights of January and February, the thermometer rarely drops below 9°C, while during the day the air warms up to a comfortable 13°C. The temperature amplitude in the winter period is minimal, amounting to just 3–4 degrees between day and night. Transitional seasons, such as May and October, delight with pleasant warmth of around 19°C, offering an ideal balance for those who do not like intense heat.

In the city of Chios, a typical Mediterranean precipitation pattern is clearly pronounced, characterised by a noticeable difference between seasons. The main bulk of moisture falls during the winter period, while summer delights travellers with dry and clear weather. Snow here is a fairly rare phenomenon due to mild winter temperatures, so the main form of precipitation is rain.

The rainiest time of the year is considered to be winter. The peak of bad weather usually falls in January, when about 14 rainy days are recorded, and December with 13 days of precipitation. During this period, frequent but often short-lived downpours are possible. In spring, the number of wet days gradually decreases: while in March there are about 9, by May this number falls to 3, heralding the start of the holiday season.

Summer in Chios is a kingdom of the sun. July and August are the driest months of the year: statistics show an almost complete absence of rainy days (0 days). From June to September, the probability of precipitation is minimal, making this period ideal for beach holidays and long walks around the island without fear of getting wet.

Summer in Chios is hot and dry, especially in July and August, when the average maximum temperature reaches 29°C and precipitation is practically absent. For a trip during the high season, be sure to take light clothing made of natural fabrics, such as cotton or linen, to feel comfortable under the Greek sun. Do not forget swimwear, quality sunglasses, a wide-brimmed hat, and high-protection cream (SPF), as the sun here is very active.

Winter on the island is mild, but can be rainy: in January, the number of days with precipitation reaches 14, and the temperature hovers around +11°C. If your trip falls within the period from November to March, your suitcase should contain a waterproof windbreaker, an umbrella, and warm items, for example, a cosy sweater or a fleece jacket. Closed shoes are also necessary for comfortable walks in cool weather.

For the off-season, such as April, May, or October, the best solution will be the principle of layering in clothing. During the day, the air warms up to a pleasant +19...+20°C, but evenings can be cool, so it is handy to have a cardigan or light jacket nearby. Regardless of the season, be sure to pack comfortable and durable walking shoes, as you will surely want to explore the picturesque villages and nature trails of the island.