When is the best time to visit Slovenia?

March, April and June. Across Slovenia's 4 destinations, June averages 70/100 for climate comfort with mean highs of 25.9°C and 122 mm of rain.

What is the worst month to visit Slovenia?

January, averaging 56/100 — mean highs of 5.9°C and 88 mm of rain across the country's destinations.

What is the hottest month in Slovenia?

July, with mean daily highs of 27.5°C averaged across 4 destinations.

What is the wettest month in Slovenia?

September, averaging 182 mm of rain.

Best time to visit Slovenia

The best time to visit Slovenia is March, April and June, when its 4 destinations average 70/100 for climate comfort — January is the weakest month, at 56/100.

Updated September 2026 · averaged over 4 Slovenia destinations · climate normals from ERA5 reanalysis

🇸🇮 Slovenia, month by month

best June

Average comfort out of 100 · open a month for where to go in it

Slovenia climate comfort by month

Month	Comfort	Avg high	Rain	Pick of the month
January	56	5.9°C	88 mm	Kranjska Gora 82
February	62	8.5°C	96 mm	Kranjska Gora 78
March	66	12°C	99 mm	Ljubljana 69
April	67	16.2°C	110 mm	Ljubljana 79
May	64	19.8°C	169 mm	Ljubljana 83
June	70	25.9°C	122 mm	Piran 88
July	66	27.5°C	138 mm	Piran 93
August	66	27.2°C	144 mm	Piran 90
September	66	22.1°C	182 mm	Ljubljana 85
October	60	17.2°C	140 mm	Ljubljana 72
November	59	10.8°C	155 mm	Kranjska Gora 67
December	57	6.6°C	109 mm	Kranjska Gora 84

Comfort is SeasonMap's 0–100 score, averaged across every Slovenia destination in the dataset. Each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. Averages from ERA5 reanalysis normals, not forecasts.

All 4 destinations in Slovenia

Slovenia — FAQ

When is the best time to visit Slovenia?: March, April and June. Across Slovenia's 4 destinations, June averages 70/100 for climate comfort with mean highs of 25.9°C and 122 mm of rain.
What is the worst month to visit Slovenia?: January, averaging 56/100 — mean highs of 5.9°C and 88 mm of rain across the country's destinations.
What is the hottest month in Slovenia?: July, with mean daily highs of 27.5°C averaged across 4 destinations.
What is the wettest month in Slovenia?: September, averaging 182 mm of rain.