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Koper weather in May

Weather in Koper: May

Average day temperature: 70.1°F
Average night temperature: 53.8°F
Sea water temperature: 64.0°F
Number of sunny days: 14 days
Day length: 14.3 - 15.4 hours
Number of rainy days: 7 days
Precipitation totals: 3.9 in.

Air temperature in May, °F

Show year:
2024
2023
2022

The highest day temperature during May of 2024 was 74°F. At the same time the lowest night temperature was 46°F. Day and night temperature averages during May were 68.3°F and 54.4°F.

Sea water temperature in Koper in May, °F

Show year:
2024
2023
2022

The average sea water temperature in May of 2024 was 64.1°F. The highest and lowest sea temperatures during the month were 69.4°F and 59.0°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

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

Wind speed in May, mph

The average wind speed value in May is 5.6 mph

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 May is: 7.6.

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:
May 7 days
November 6 days
October 6 days
Windiest months:
February 6.6 mph
March 6.5 mph
November 6.3 mph

Koper on a weather map

Koper
+43°F
W 2 mph
Feels like: +41°F
Precip.: 0%
Places in Slovenia:
Name
°F
+32°F
+34°F
+43°F
+43°F
+32°F
+34°F
+34°F
+43°F
+43°F
+30°F
+43°F
+32°F
24 Hours Forecast
Koper
Local time: 18:06
December 15, sunday
2100
36°F
W
3 mph
December 16, monday
0000
36°F
W
3 mph
0300
36°F
W
3 mph
0600
36°F
W
3 mph
0900
37°F
W
2 mph
1200
48°F
SE
2 mph
1500
48°F
SE
1 mph
1800
43°F
W
2 mph
Units of measurement: °C / °F