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Koper weather in November

Weather in Koper: November

Average day temperature: 55.2°F
Average night temperature: 45.5°F
Sea water temperature: 61.3°F
Number of sunny days: 12 days
Day length: 9.0 - 10.1 hours
Number of rainy days: 6 days
Precipitation totals: 4.1 in.

Air temperature in November, °F

Show year:
2025
2024
2023

The highest day temperature during November of 2025 was 63°F. At the same time the lowest night temperature was 30°F. Daily and nightly averages during November were 54.0°F and 43.2°F.

Sea water temperature in Koper in November, °F

Show year:
2025
2024
2023

The average sea water temperature in November of 2025 was 60.9°F. The highest and lowest sea temperatures during the month were 63.0°F and 56.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in November are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in November, in.

Precipitation total value in Koper in November is 4.3 in. Other months of the year show relatively similar values.

Wind speed in November, mph

The average wind speed value in November is 5.9 mph It makes November one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in November is: 4.9.

Best time for vacation in Koper

Sunniest months:
August 23 days
July 22 days
June 20 days
Warmest months:
August 85.0 °F
July 84.8 °F
June 80.2 °F
Warmest sea temp:
August 78.4 °F
July 78.1 °F
September 73.8 °F
Coldest months:
January 45.6 °F
December 47.8 °F
February 48.1 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
March 6.6 mph
February 6.5 mph
November 6.2 mph

Koper on a weather map

Koper
+52°F
SW 5 mph
Feels like: +50°F
Precip.: 0%
Places in Slovenia:
Name
°F
+41°F
+50°F
+52°F
+37°F
+41°F
+41°F
+52°F
+50°F
+50°F
+41°F
+48°F
24 Hours Forecast
Koper
Local time: 10:53
December 05, friday
1200
52°F
SW
5 mph
1500
50°F
SW
6 mph
1800
45°F
SW
7 mph
2100
41°F
SW
6 mph
December 06, saturday
0000
43°F
SW
7 mph
0300
43°F
SW
6 mph
0600
43°F
W
5 mph
0900
46°F
SW
4 mph
Units of measurement: °C / °F