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Slovenia weather in May

Slovenia in May averages 16°C (61°F), 114 mm of rain and 7.6 hours of sun a day.

Of the twelve months in Slovenia, May is the fifth warmest, the sixth driest and the fourth sunniest.

Slovenia
Average temp
16°C (61°F)

11–22°C · 51–71°F

Rainfall
114 mm

Showers likely

Sunshine
7.6 h

hours per day

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What is Slovenia like in May?

Daytime

Days are mild.

Rain

Some rain is likely; pack for showers.

Evening

Evenings are cooler. A layer helps after sunset.

What should I pack for Slovenia in May?

  • A light rain jacket

    About 114 mm falls this month — showers rather than washouts.

  • A warm mid-layer

    Nights drop to around 11°C (51°F).

May compared with April and June

May in Slovenia is 4.5°C warmer than April and 18 mm wetter than it, which averages 12°C (53°F).

May in Slovenia is 3.8°C cooler than June and 12 mm drier than it, which averages 20°C (68°F).

Daylight in Slovenia in May

On 15 May the sun is up for 14 hours 59 minutes in Slovenia, rising about 05:27 and setting about 20:26 local time.

May ends 1 hour 8 minutes longer than it begins, so the last week of the month is a different length of day from the first.

That is 46 minutes short of June, the longest-lit month here.

Travel guides for Slovenia

What to read before you book.

All travel guides in Slovenia

Slovenia weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 1 Oct 2026358 places covered

How May compares with the rest of the year

May is highlighted. Every other month links to its own page.

Slovenia weather by month: average temperature, rainfall, sunshine for each month, from 1991–2020 climate normals
MonthAverageRainfall
January1°C / 34°F67 mm
February3°C / 37°F85 mm
March7°C / 45°F82 mm
April12°C / 53°F96 mm
May16°C / 61°F114 mm
June20°C / 68°F126 mm
July22°C / 72°F121 mm
August22°C / 71°F124 mm
September17°C / 62°F159 mm
October12°C / 54°F150 mm
November7°C / 44°F138 mm
December2°C / 35°F105 mm

Similar weather in May

Other destinations whose May averages sit close to this one.

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FAQs about Slovenia in May

May climate averages for Slovenia, 1991–2020.

Slovenia averages 16°C (61°F) in May, ranging from about 11°C (51°F) at night to 22°C (71°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.

Some. About 114 mm falls across May, enough to need a light jacket but not enough to reshape a trip.

No. May averages 16°C (61°F) against 20°C (68°F) in June — 3.8°C cooler.

May is 4.5°C warmer than April, and 18 mm wetter.

Yes. May falls inside the most comfortable stretch of the year here, April to September, on temperature and rainfall together.

About 7.6 hours of sun a day on the 1991–2020 average.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.

About 14 hours 59 minutes of daylight in mid-May, against 15 hours 45 minutes in June and 8 hours 39 minutes in December.

On 15 May, sunrise is about 05:27 and sunset about 20:26 local time. Both shift across the month — the month ends 1 hour 8 minutes longer than it starts.