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Best Time to Visit Slovenia
Climate based on Ljubljana • 2015–2024
The best overall weather in Slovenia is in July, with average highs around 28°C. The single best 14-day window: Jul 19 - Aug 1. The hottest month is July (28°C highs) and the coolest is January (5°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
1
5
10
15
20
25
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
- Freezingbelow 0°C
- Very Cold0–5°C
- Cold5–12°C
- Fresh12–18°C
- Comfortable18–25°C
- Warm25–30°C
- Very Warm30–39°C
- Smoking Hot39°C+
Best 14-day travel windows
Top pick
Jul 19 - Aug 1
14-day window • Avg 23°C • Warm
Alternative 1
Aug 5 - Aug 18
14-day window • Avg 22°C • Warm
Alternative 2
Jun 29 - Jul 12
14-day window • Avg 22°C • Warm
Month-by-month breakdown
January
Cold1°Cavg
- 5°C / -3°C
- 81mm total
- 5.1h sun/day
February
Cold3°Cavg
- 8°C / -2°C
- 86mm total
- 6.0h sun/day
March
Cold6°Cavg
- 12°C / 1°C
- 73mm total
- 8.2h sun/day
April
Fresh10°Cavg
- 16°C / 4°C
- 83mm total
- 9.8h sun/day
May
Comfortable14°Cavg
- 19°C / 9°C
- 139mm total
- 10.1h sun/day
June
Warm20°Cavg
- 25°C / 14°C
- 92mm total
- 12.2h sun/day
July
Warm22°Cavg
- 28°C / 16°C
- 91mm total
- 12.6h sun/day
August
Warm22°Cavg
- 27°C / 16°C
- 89mm total
- 11.6h sun/day
September
Comfortable17°Cavg
- 22°C / 12°C
- 148mm total
- 9.3h sun/day
October
Fresh12°Cavg
- 17°C / 7°C
- 120mm total
- 7.1h sun/day
November
Cold7°Cavg
- 10°C / 3°C
- 131mm total
- 4.7h sun/day
December
Cold2°Cavg
- 6°C / -2°C
- 96mm total
- 4.4h sun/day
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