Koper Weather Today

Daily Weather Forecast & Temperature in Koper

clear sky
15°
clear sky
H: 15° L: 14°
Feels like 13°
AQI: Fair (2/5)
Humidity
33%
Dew -1°
Wind speed
25.92 km/h
ENE
Pressure
1011 hPa
Visibility
10 km
High Winds
Wind speed is 25.92 km/h. Secure loose objects.
Weather Summary
Currently in Koper, expect varied conditions with mild temperatures around 15°. Winds are strong winds.
Precipitation Probability
0%
20
0%
23
0%
02
0%
05
0%
08
0%
11
0%
14
0%
17
0%
20
0%
23
0%
02
0%
05
0%
08
0%
11
0%
14
0%
17
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
14°
Wed
20:00
13°
 
10°
 
10°
 
10°
Thu
08:00
13°
 
15°
 
15°
 
13°
Thu
20:00
12°
 
11°
 
 
10°
Fri
08:00
15°
 
17°
 
16°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:45
Sunset
Sunset
19:32
Moon Phase
Full Moon (99%)
Timezone: GMT+05:30
Last updated: Apr 1, 2026 9:43 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
45.546940
Longitude
Longitude
13.729440
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More about Koper
Content curated by the NearWeather editorial team · Updated periodically

Exploring the Climate and Weather of Koper, Slovenia

Located on the Adriatic coast of Slovenia, Koper is a city with a sublime blend of Mediterranean and continental climate features. This charming coastal town is renowned for its mild winters and warm summers, influenced markedly by the sea. With its idyllic weather patterns, Koper offers residents and visitors a superb climate that is conducive to outdoor activities and enjoying the natural beauty of the region throughout the year.

Geographical Significance

Koper sits at the northern end of the Istrian peninsula, which extends into the northern Adriatic Sea. This strategic position allows it to enjoy a temperate climate moderated by the sea, with weather patterns that have made it an attractive destination for centuries.

Seasonal Weather Characteristics

Spring in Koper

  • March: The onset of spring, with temperatures gradually rising from an average low of 6°C (42.8°F) to highs around 13°C (55.4°F).
  • April: A transition period where temperatures continue to climb, with average lows of 9°C (48.2°F) and highs of 17°C (62.6°F).
  • May: Pleasantly warm with averages ranging from 13°C (55.4°F) to 22°C (71.6°F), indicating the approach of summer. Rainfall begins to decrease, marking the end of the wetter part of the year.

Summer in Koper

Summertime brings abundant sunshine and warm, balmy weather, a perfect backdrop for Koper's busy tourist season.
  • June: Summer kicks off with average temperatures spanning 17°C (62.6°F) to 26°C (78.8°F).
  • July: The peak of summer with the highest temperatures, averaging between 20°C (68°F) and 29°C (84.2°F).
  • August: Similar to July, August sees persistent warmth with temperatures ranging from 20°C (68°F) to 28°C (82.4°F).

Autumn in Koper

The transition back to cooler conditions is marked by a gradual decrease in temperatures and an increase in precipitation.

  • September: Starting to cool off, with temperatures ranging from 15°C (59°F) to 24°C (75.2°F).
  • October: Further cooling with average temperatures between 11°C (51.8°F) and 19°C (66.2°F).
  • November: Temperatures drop significantly, signaling the approach of winter, with lows of 7°C (44.6°F) and highs around 14°C (57.2°F).

Winter in Koper

While winter is the coldest season, it is generally mild compared to inland locations due to the moderating effect of the Adriatic Sea.
  • December: The beginning of winter, with average lows of 3°C (37.4°F) and highs around 11°C (51.8°F).
  • January: The coldest month of the year, seeing average low temperatures of 2°C (35.6°F) and highs of 9°C (48.2°F).
  • February: Slightly warmer than January, with lows around 3°C (37.4°F) and highs of 10°C (50°F).

Annual Weather Phenomena

Owing to its coastal location, Koper experiences certain weather phenomena that are characteristic of the Adriatic region:

  • Bora Winds: Strong, gusty winds that can occur particularly during the winter months, resulting from the temperature contrast between the land and the sea.
  • Sirocco Winds: Warm, moist winds originating from the Sahara, affecting Koper usually in the autumn and spring. These winds can bring higher temperatures and occasionally rain.

Climate Data and Statistics

Monthly Climate Averages for Koper
Month Average Low (°C) Average High (°C) Precipitation (mm)
January 2 9 75
February 3 10 65
March 6 13 70
April 9 17 75
May 13 22 60
June 17 26 90
July 20 29 60
August 20 28 80
September 15 24 100
October 11 19 130
November 7 14 120
December 3 11 100

Future Climate Predictions

Climate models anticipate a gradual increase in temperatures and a change in precipitation patterns in Koper as a result of global warming. Experts predict that by the end of the century, Koper could experience a noticeable rise in sea levels, warmer winters, and hotter summers. Such changes may impact local agriculture, biodiversity, and the frequency of extreme weather events in the region.

Environmental and Human Impacts

Urbanization and increasing tourism in Koper have led to environmental pressures that can have potential long-term consequences on the local climate. It is vital for city planners and the community to adopt sustainable practices that will help mitigate the impacts of climate change and preserve the natural charm of Koper. These include investing in green infrastructure, protecting coastal areas, and promoting clean energy sources.

Conclusion

In conclusion, Koper's climate offers a comfortable and inviting atmosphere year-round, featuring mild winters and warm summers. However, as with many coastal cities, Koper is susceptible to the broader implications of climate change. It will require proactive measures to ensure that its climate remains a source of enjoyment and prosperity for future generations.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Koper
What is the Latitude and Longitude of Koper?

Koper's Latitude is 45.546940 & Longitude is 13.729440.

What is the weather in Koper today?

Weather in Koper is 15° today.

What is the climatic condition of Koper today?

Climate Conditions in Koper shows clear sky today.

What is the humidity in Koper today?

Humidity in Koper is 33% today.

What is the wind speed in Koper today?

Wind speed in Koper is 25.92 km/h, flowing at 60° ENE wind direction.

What does it feel like in Koper today?

It feels like 13° in Koper today, with 0% cloud cover and 10 km visibility.

Weather in Koper