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Sežana

Weather in Сежана by month: what to expect

Photo: Samo Onič, CC BY-SA 4.0

Weather overview

Сежана enjoys a mild climate with distinct seasonal changes, making it a year-round destination with its own charm each season. Winters in Сежана are cool but rarely harsh, with temperatures hovering around 7 °C in January, the coldest month. Spring arrives gradually, bringing warmer days by April when the average reaches 14.2 °C.

Summer in Сежана is warm and pleasant, with July and August offering the highest temperatures, often around 25.6–25.8 °C. This is the driest period of the year, ideal for exploring the region’s landscapes. Autumn cools down gently, with September still feeling summer-like at 21.3 °C, while November marks the transition to cooler weather at 12 °C.

Temperature

The temperature in Сежана varies smoothly throughout the year, with no extreme swings. The coldest months, January and December, see averages of 7–8.4 °C, while nighttime lows can drop to 4.2–6 °C. By March, the air warms to 10.6 °C, and daytime highs reach 14.9 °C, signaling the start of spring.

Summer temperatures peak in July and August, with averages of 25.6–25.8 °C and highs up to 30 °C. Evenings remain comfortable, rarely falling below 21.5 °C. By October, the mercury drops to 16.8 °C, and November brings cooler days at 12 °C, preparing Сежана for the winter ahead.

Average air temperature °C
Average air temperature
Month Minimum Maximum
January 4.2 9.8
February 5.6 11.4
March 6.9 14.9
April 10.5 17.6
May 14.3 21.6
June 19.6 27.6
July 21.5 30
August 21.5 30
September 18.1 25.7
October 13.8 20.3
November 9.5 15.1
December 6 11.3

Precipitation

Rainfall in Сежана is spread across the year, with no truly dry season. The wettest months are September and October, when precipitation reaches 154.2 mm and 105.3 mm respectively. November and December also see significant rainfall, with 128.7 mm and 142.3 mm, making this the rainiest period.

The driest months in Сежана are March and July, with 33 mm and 57.8 mm of rain respectively. While May and June bring moderate showers (134.9 mm and 79.4 mm), the summer months are generally more stable, allowing for outdoor activities without frequent interruptions.

Precipitation amount mm
Precipitation amount
Month Precipitation
January 77.7
February 58.4
March 33
April 72.2
May 134.9
June 79.4
July 57.8
August 96.2
September 154.2
October 105.3
November 128.7
December 142.3

What to pack

For a trip to Сежана in winter, pack layers to stay comfortable in the cool but mild weather. A warm jacket is useful for January and December, when temperatures can dip to 4.2 °C at night. Spring and autumn call for versatile clothing—light sweaters for March and November, and a waterproof layer for occasional rain.

Summer in Сежана is warm, so lightweight, breathable fabrics work best for June through August. A light jacket or shawl is handy for cooler evenings, especially in September when temperatures start to drop. Don’t forget comfortable walking shoes and sunglasses, as sunshine hours peak in June and July at nearly 10 hours per day.

Average monthly wind m/s
Average monthly wind
Month Wind speed
January 2.8
February 2.1
March —
April 2.2
May 2
June 1.6
July 1.9
August 2.1
September 2.5
October 2.3
November 3
December 2.5