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Sežana Weather in April

April in Sežana averages 16°C (61°F) during the day and 8°C (46°F) at night. Quite a bit of rainfall is typical this month, with around 122 mm (4.8 in) on average. An umbrella is a good idea.

Rainfall in Sežana in April

Climate statistics over the past 30 years suggest around 15 days of rain, with 122 mm (4.8 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Sežana in April

Daytime highs in Sežana in April reach 16°C (61°F), with nights around 8°C (46°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Sežana in April

The area experiences a moderate amount of sunshine, with approximately 178 hours of sunlight expected. This means a decent mix of sun and overcast.

Average water temperature in April

At 13°C (55°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

If you prefer enjoying temperate temperatures and rain-free days, July typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Slovenia, check out our Sežana's climate page.

Sežana Temperature in April

Min TemperatureMin Temperature 8°C (46°F)  
Max TemperatureMax Temperature 16°C (61°F)  
Water TemperatureWater Temperature 13°C (55°F) *  
Chance of RainChance of Rain 48%  
PrecipitationPrecipitation 122 mm (4.8 in)  
Rainy daysRainy days 15 days  
HumidityHumidity 63% *  
SunshineSunshine 178 hours *  
Percentage SunshinePercentage Sunshine 46% *  
* Data from: Triest, Italy (11 KM, 7 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Sežana typically stay consistent throughout April, with daily highs averaging around 16°C (61°F). Nights are cool, with lows typically ranging from 7°C (45°F) to 10°C (50°F).

Average temperatures in April

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in April

Historical weather for Sežana in April

Browse day-by-day weather records for Sežana spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Sežana historical weather extremes in April

Based on weather observations in Sežana between 1976 and 2026, these are the recorded extremes during April.

  • The warmest day in April was on April 28, 2012, with a maximum of 29°C (84°F).
  • The lowest daytime temperature in April was 6°C (43°F), recorded on April 18, 1991.
  • Nighttime temperatures dropped to -5°C (23°F) on April 7, 2021, marking the coldest April night on record.

Best Places in Slovenia in April

Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in April →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Sežana in April

For Sežana in April, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. The water temperature sits at about 13°C (55°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Sežana in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Slovenia, check out our Sežana's climate page.

More climate data for Sežana