Climate and monthly weather forecast
Izola, Slovenia

The dominating climate in Izola, Slovenia, is Marine west coast, warm summer climate, also known as the Köppen climate classification of Cfb. The position of Izola along the Adriatic coast of Slovenia grants it a distinct climate with discernible variations in the sea temperature and daylight hours throughout the year.

Owing to its location, Izola experiences mild, yet varied, weather conditions throughout the year. The sea temperatures fluctuate from a low 9.3°C (48.7°F) in the winter months to an inviting 24.8°C (76.6°F) during the peak of summer. Daylight hours also exhibit variations, ranging from shorter spans of roughly 8.8 hours in winter to extended durations of 15.6 hours in the heart of the summer.

A significant characteristic of Izola’s climate is the consistent increase in sea temperature and daylight hours as winter transitions to summer. These parameters peak between June and August before gradually declining towards the end of the year. No month is entirely devoid of rainfall, and there are no excessively hot or frigid months, marking the nature of Izola's moderate climate.

The optimal period for visiting Izola generally falls between June to August. During these months, the sea temperature reaches a peak, with averages hovering around 24.8°C (76.6°F), combined with consumption of robust daylight hours, averaging at 15.3 hours. Visitors can benefit from extended days and enjoy warm seawater suitable for outdoor aquatic activities.

Visiting Izola can be less appealing during the winter months, specifically from November to January. During this time, the sea temperatures dip down to lows, averaging between 13.2°C (55.8°F) to 10.3°C (50.5°F), accompanied by limited daylight hours, from 9.2 to 8.8 hours on average, potentially posing as a hindrance to outdoor activities.

Spring in Izola is marked by the gradual increase in sea temperature from a cool 10.1°C (50.2°F) in March to a mild 18°C (64.4°F) by May. Correspondingly, daylight hours also expand significantly, averaging from 11.9 hours in March to 14.9 hours in May.

The summer season in Izola offers the warmest sea temperatures of the year, peaking at 24.8°C (76.6°F) in July and August. This period also enjoys the longest daylight hours, reaching an average of 15.6 hours in June, before slightly receding to 15.3 hours in July and 14.1 hours in August.

Autumn in Izola is characterized by a steady decline in sea temperature and daylight hours. Sea temperatures drop from 23.3°C (73.9°F) in September to 16.1°C (61°F) in November, while daylight hours shrink from an average of 12.5 hours in September to 9.5 hours by November.

Winter weather in Izola is marked by cooler sea temperatures and the shortest daylight hours of the year, averaging from 13.2°C (55.8°F) to 10.3°C (50.5°F) and 9.2 to 8.8 hours respectively. Despite the seasonal drop, the sea temperature remains above freezing, maintaining some appeal for adventurous visitors.

As January unfolds, Izola, Slovenia confronts its coldest sea temperatures, plummeting to 9.3°C (48.7°F). Daylights remain limited, preserving the chill. Typically, January is cooler than December, known for its icy sting, but it is marginally milder than February that follows. Weather in January »

February ushers in the chilliest sea temperatures, making it the coldest month in Izola, Slovenia. The city pulsates with winter's grip, shifting towards marginally milder conditions in the next month, March. Severe weather patterns, including icy winds and occasional snowfall, continue throughout February. Weather in February »

In March, Izola, Slovenia experiences a rise in sea temperatures, displaying a thaw at 10.1°C (50.2°F). The weather dynamics tilt towards gentler conditions as gusts of spring bring a visible shift from February's deep freeze. The town begins to shrug off winter's layer, manifesting the early signs of spring. Weather in March »

An expected upsurge in sea temperatures to 13.1°C (55.6°F) marks the arrival of April in Izola, Slovenia. The landscape drenched in pleasant spring warmth is a stark contrast from the chilly March. April carries the legacy of longer days, illuminating the town in abundant sunlight. Weather in April »

May signifies the transition from spring to early summer in Izola, Slovenia, with sea temperatures mounting to 18°C (64.4°F). As the breath of summer gently replaces the crispness of spring, May serves as a bridge between the two seasons. Weather in May »

June, typically, is when the summer unwraps itself in Izola, Slovenia, and sea temperatures peak to 22.8°C (73°F). Noticeably warmer than May, June heightens the summer experience further with the longest daylight hours. The city dresses in its summer best, with clear blue skies, swaying palm trees, and sun-drenched beaches painting the perfect summer portrait. In Izola, in June, the average water temperature is 22.8°C (73°F). Note: The allure of a swim in 22.8°C (73°F) waters can be influenced by your feelings towards the cold, today's sunshine, the wind's touch, and the ambient warmth. Weather in June »

July brings the high point of summer to Izola, Slovenia, with sea temperatures soaring to their zenith at 24.8°C (76.6°F). The city is submerged in the most potent summer heat, the zenith from June leading into the equally hot August. Weather in July »

August mirrors July, maintaining the highest sea temperatures in Izola, Slovenia at 24.8°C (76.6°F). While offering similar weather patterns as July, August edges into a subtle decline towards the end of the month, hinting at the onset of autumn. Weather in August »

The fall breezes hint at their arrival in Izola, Slovenia as September sea temperatures drop to 23.3°C (73.9°F). The weather tends to nudge towards cooling after the constant August heat, giving residents a reprieve. As daylight hours shrink, the sun-soaked city begins a slow transition, wrapping up the vibrant hues of summer and revealing more sober autumn shades. In Izola, the average seawater temperature in September is 23.3°C (73.9°F). Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. Weather in September »

October shadows Izola, Slovenia with the quintessential autumnal colors of changing foliage. The plunge in sea temperatures from September levels provides a cooler maritime climate, further solidifying the season's presence. October's shorter daylight period sets the stage for the early arrival of evening twilight, paving the way for November's chill. In Izola, the average seawater temperature in October is 19°C (66.2°F). Note: Swimming is not a pleasant activity for most individuals in 19°C (66.2°F). Weather in October »

Izola, Slovenia begins to encounter the creeping cold as November unfolds, seeing a considerable drop in sea temperatures. Despite the chill, the weather maintains a comfortable balance, avoiding the harsh cold that December incites. Weather in November »

December heralds the advent of winter in Izola, Slovenia, accompanied by a steep drop in sea temperatures to 13.2°C (55.8°F) in contrast to November. Short daylight hours dominate the cityscape, with the sun setting early and casting a chilly shadow over the city. Weather in December »