Weather in May
May signifies the transition from spring to early summer in
Izola,
Slovenia, with sea temperatures mounting to 18°C (64.4°F). As the breath of summer gently replaces the crispness of spring, May serves as a bridge between the two seasons. It brings longer daylight hours, laying the ground for the long, radiant days of the oncoming
June.
Sea temperature
In Izola, the average seawater temperature in May is 18°C (64.4°F).
Note: In water with a temperature of 18°C (64.4°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.
Daylight
In May, the average length of the day is 14h and 55min.
On the first day of May, sunrise is at 05:52 and sunset at 20:12. On the last day of the month, sunrise is at 05:20 and sunset at 20:46 CEST.
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