Slovenia weather in May 2025
Slovenia weather in May 2025
Day
22 °C
Night
14 °C
Sea
17 °C
Precipitation
88 mm
in month
Rainy days
10 days
in month
Daylight
15 hours
average
Sunshine
7 hours
average
Humidity
67 %
Day
22 °C
Night
14 °C
Sea
17 °C
Precipitation
88 mm
in month
Rainy days
10 days
in month
Daylight
15 hours
average
Sunshine
7 hours
average
Humidity
67 %
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Weather overview and FAQs
Weather overview
In May in Slovenia, the average air temperature ranges from 22 °C (71 °F) during the day to 14 °C (57 °F) at night. There are 10 days of rain on average, where the rainfall is 88 mm (3.46 in).
Are there good conditions to visit in Slovenia in May?
There are good conditions for visiting in May in Slovenia. Especially for non-beach activities, such as hiking or sightseeing. The temperature during the day will be nice 22 °C (71 °F). The temperature of 14 °C (57 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What temperature can I expect during the day in Slovenia in May?
In May in Slovenia, the average daily temperatures will be 22 °C (71 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.
What is the night temperature in May in Slovenia?
The average night temperature in Slovenia in May is 14 °C (57 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.
What is the sea temperature in Slovenia in May?
The temperature of the sea in Slovenia in May is 17 °C (63 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.
How many days of precipitation on average can I expect in Slovenia in May?
There are 10 days, which are rainy in Slovenia in May, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.3 days of the week, or in general - 34 % days.
Is there a dry season in Slovenia in May?
No, May is not a dry month in Slovenia, expect rain approximately 10 days in a month.
How heavy is the precipitation in Slovenia in May?
In May in Slovenia, there is 88 mm (3.46 in) rainfall, which means on average 3 mm (0.11 in) rainfall per day.
How long is the day (from dawn till dusk) in Slovenia in May?
The length of daylight in Slovenia in May is 15 hours.
How many sunny hours can I expect in May in Slovenia?
There is an average length of sunshine of 7 hours per day in Slovenia in May.
What is the humidity in Slovenia in May?
In May in Slovenia, expect humidity around 67 %.
What is the temperature trend in Slovenia in May?
Over the course of May in Slovenia, the temperatures are rising from 19 °C (66 °F) at the beginning of the month to 23 °C (74 °F) at the end of the month.
How does the sea temperature evolve during the month in May in Slovenia?
The sea temperature during May in Slovenia has an increasing tendency from 15 °C (59 °F) at the beginning of the month to 20 °C (67 °F) at the end of the month.