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Koper weather in April

Weather in Koper: April

Average day temperature: 62.5°F
Average night temperature: 47.6°F
Sea water temperature: 55.7°F
Number of sunny days: 14 days
Day length: 12.8 - 14.3 hours
Number of rainy days: 5 days
Precipitation totals: 2.8 in.

Air temperature in April, °F

Show year:
2024
2023
2022

The highest day temperature during April of 2024 was 78°F. At the same time the lowest night temperature was 35°F. Day and night temperature averages during April were 63.2°F and 47.4°F.

Sea water temperature in Koper in April, °F

Show year:
2024
2023
2022

The average sea water temperature in April of 2024 was 58.0°F. The highest and lowest sea temperatures during the month were 62.6°F and 54.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in April are sunny but cloudy days are also possible.

Precipitation total in April, in.

Precipitation total value in Koper in April is 3.0 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 6.1 mph It makes April 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 April is: 7.1.

Best time for vacation in Koper

Sunniest months:
July 23 days
August 23 days
June 20 days
Warmest months:
August 85.2 °F
July 85.1 °F
June 80.0 °F
Warmest sea temp:
August 78.5 °F
July 78.1 °F
September 73.7 °F
Coldest months:
January 45.4 °F
December 47.9 °F
February 48.1 °F
Rainiest months:
November 7 days
May 7 days
October 6 days
Windiest months:
February 6.6 mph
March 6.5 mph
November 6.4 mph

Koper on a weather map

Koper
+32°F
SW 6 mph
Feels like: +27°F
Precip.: 0%
Places in Slovenia:
Name
°F
+28°F
+30°F
+32°F
+32°F
+28°F
+30°F
+28°F
+32°F
+32°F
+32°F
+28°F
24 Hours Forecast
Koper
Local time: 03:25
November 15, friday
0600
32°F
SW
6 mph
0900
41°F
W
5 mph
1200
54°F
SW
6 mph
1500
54°F
SW
5 mph
1800
45°F
SW
6 mph
2100
41°F
W
6 mph
November 16, saturday
0000
41°F
W
6 mph
0300
39°F
W
6 mph
Units of measurement: °C / °F