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Koper weather in April

Weather in Koper: April

Average day temperature: 62.4°F
Average night temperature: 47.5°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 77°F. At the same time the lowest night temperature was 35°F. Day and night temperature averages during April were 62.2°F and 46.8°F.

Sea water temperature in Koper in April, °F

Show year:
2024
2023
2022

The average sea water temperature in April of 2024 was 57.8°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 6.2 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: 7.0.

Best time for vacation in Koper

Sunniest months:
July 23 days
August 23 days
June 20 days
Warmest months:
July 85.0 °F
August 84.9 °F
June 80.3 °F
Warmest sea temp:
August 78.3 °F
July 77.9 °F
September 73.6 °F
Coldest months:
January 45.4 °F
December 47.9 °F
February 48.1 °F
Rainiest months:
November 7 days
May 7 days
September 7 days
Windiest months:
February 6.6 mph
March 6.5 mph
November 6.4 mph

Koper on a weather map

Koper
+68°F
S 1 mph
Feels like: +68°F
Precip.: 0%
Places in Slovenia:
Name
°F
+59°F
+57°F
+68°F
+68°F
+59°F
+64°F
+64°F
+68°F
+68°F
+64°F
+68°F
+59°F
24 Hours Forecast
Koper
Local time: 09:09
April 29, monday
1200
73°F
E
4 mph
1500
72°F
E
4 mph
1800
68°F
E
1 mph
2100
57°F
W
3 mph
April 30, tuesday
0000
55°F
W
3 mph
0300
55°F
W
4 mph
0600
54°F
W
4 mph
0900
72°F
SW
2 mph
Units of measurement: °C / °F