Sežana Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Sežana.

Climate overview of Sežana

Sežana, Slovenia, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in August, while winters cool to 7°C (45°F) in January.

With around 1590 mm (63 in) of annual rain/snowfall, Sežana has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has a distinct rainy season from September to November, with warm summers and cold winters. The wettest month is November. The sunniest month is July, with 9.7 hours of sunshine per day on average.

Sežana Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Sežana - and find the best time to visit.

Monthly Temperature in Sežana

Depending on the time of the year, temperatures range from comfortable to chilly in Sežana. Average daytime temperatures reach a comfortable 27°C (81°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 7°C (45°F).

At night, temperatures range from around 18°C (64°F) in August to 1°C (34°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Sežana

Sežana has a relatively rain/snowy climate with high precipitation levels, averaging 1590 mm (63 in) of rain/snowfall annually. Sežana experiences moderate seasonal variation in rainfall, with monthly averages ranging from 192 mm (7.6 in) in November, the wettest month, and 93 mm (3.7 in) in January, the driest month. For more details, please visit our Sežana Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Sežana

Sežana can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.8 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Triest, Italy (11 KM, 7 Miles).

Daily hours of sunshine

Data from: Triest, Italy (11 KM, 7 Miles).

Water Temperature in Sežana

The mean water temperature over the year ranges from 9°C (48°F) in February to 24°C (75°F) in August.

Water temperature over the year

Data from: Triest, Italy (11 KM, 7 Miles).

Humidity in Sežana by Month

Best Time to Visit Sežana

The most comfortable overall weather for exploring Sežana is usually found in July. Conditions are generally least comfortable in January, February, March, October, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: July
  • Warmest weather: July and August
  • Most sunshine: July
  • Best for swimming: June, July, August and September.
  • Seasonal pattern: A distinct rainy season from September to November, with warm summers and cold winters

Frequently asked questions about the climate in Sežana

What is the best time to visit Sežana?

July typically offers the most optimal weather in Sežana. In contrast, January, February, March, October, November and December tend to have less optimal conditions. Sežana has a distinct rainy season from September to November, with warm summers and cold winters.

What temperatures can I expect in Sežana?

Daytime highs range from 7°C (45°F) in January to 27°C (81°F) in August. Nighttime lows range from 1°C (34°F) to 18°C (64°F). Temperatures vary considerably through the year.

How much rain does Sežana get?

Annual rainfall is around 1590 mm (63 in). November is the wettest month with 192 mm (7.6 in), while January is the driest with 93 mm (3.7 in).

How sunny is Sežana?

Sežana receives around 2,117 hours of sunshine per year. July is the sunniest month with 290 hours, while December is the cloudiest with just 84 hours. Overall, Sežana enjoys abundant sunshine.

Sežana 3-Day Forecast

Sežana 3-Day Forecast

Sežana on the map

Sežana is highlighted - select any city to see its climate.

Popular this month

Where to go in July - average daytime high across popular destinations.

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