Climate guide for Lake Bohinj, Slovenia

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Lake Bohinj

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About Lake Bohinj

Lake Bohinj is a nature and wildlife destination in Slovenia. Its setting includes Glacial alpine lake in Triglav National Park. Use the monthly scores to plan outdoor time around temperature, rainfall, humidity, daylight and sunny days.

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Travel Tips

Best time to visit Lake Bohinj
Check seasonal weather curves and book accommodations early for Lake Bohinj.

Things to do in Lake Bohinj

Lake Bohinj, Slovenia. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Lake Bohinj: the short answer

The best time to visit Lake Bohinj is June, followed by July, August. Those months combine the most usable temperatures with the fewest lost days to rain: June averages 16°C with 145 mm of rain and about 24 sunny days. The months to avoid unless you have a specific reason are January, December. If budget matters more than perfect weather, February is the strongest of the low-rate months at 3.5/10.

Across the year Lake Bohinj swings from -3°C in January to 19°C in July, a 22-degree spread, while rainfall ranges from 67 mm in February to 212 mm in September. That is the whole planning problem in one sentence: Lake Bohinj is not equally good year-round, and the difference between the best and worst month here is 5.8 points on a 10-point scale.

Warmest month: July (19°C). Coolest: January (-3°C). Driest: February (67 mm). Wettest: September (212 mm).

Lake Bohinj month by month

January in Lake Bohinj — the hardest end of the year

Hardest · 2.2/10

January averages -3°C (26°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 90 mm, so plan one flexible day in three; you still get about 0 sunny days and 8.8 hours of daylight.

It scores 2.2/10 here, 12th of 12 months, against 8/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

If your dates are flexible, June is materially better in Lake Bohinj — 5.8 points higher on the same scale.

February in Lake Bohinj — the hardest end of the year

Hardest · 3.5/10

February averages 0°C (31°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 67 mm, so plan one flexible day in three; you still get about 1 sunny days and 10 hours of daylight.

It scores 3.5/10 here, 9th of 12 months, against 8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

If your dates are flexible, June is materially better in Lake Bohinj — 4.5 points higher on the same scale.

March in Lake Bohinj — workable with trade-offs

Trade-offs · 5/10

March averages 3°C (37°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 100 mm, so plan one flexible day in three; you still get about 9 sunny days and 11.6 hours of daylight.

It scores 5/10 here, 7th of 12 months, against 8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

If your dates are flexible, June is materially better in Lake Bohinj — 3 points higher on the same scale.

April in Lake Bohinj — workable with trade-offs

Trade-offs · 6.3/10

April averages 6°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 104 mm this is a genuinely wet month: about 14 sunny days in total, and outdoor plans need an indoor fallback.

It scores 6.3/10 here, 5th of 12 months, against 8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, June is materially better in Lake Bohinj — 1.7 points higher on the same scale.

May in Lake Bohinj — reliably good (4th best month)

Good · 7/10

May averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 169 mm this is a genuinely wet month: about 16 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7/10 here, 4th of 12 months, against 8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.

June in Lake Bohinj — the year's strongest window

Best window · 8/10

June averages 16°C (62°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

At 145 mm this is a genuinely wet month: about 24 sunny days in total, and outdoor plans need an indoor fallback.

On our climate-comfort scale this is the top-ranked month of the year for Lake Bohinj at 8/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.

July in Lake Bohinj — reliably good (2nd best month)

Good · 7.9/10

July averages 19°C (66°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

At 191 mm this is a genuinely wet month: about 28 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.9/10 here, 2nd of 12 months, against 8/10 in the destination's best month.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.

August in Lake Bohinj — reliably good (3rd best month)

Good · 7.9/10

August averages 19°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

At 156 mm this is a genuinely wet month: about 21 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.9/10 here, 3rd of 12 months, against 8/10 in the destination's best month.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.

September in Lake Bohinj — workable with trade-offs

Trade-offs · 6.1/10

September averages 13°C (56°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

212 mm of rain puts this in monsoon territory — about 10 sunny days across the whole month, and multi-day washouts are normal.

It scores 6.1/10 here, 6th of 12 months, against 8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, June is materially better in Lake Bohinj — 1.9 points higher on the same scale.

October in Lake Bohinj — the hardest end of the year

Hardest · 4.5/10

October averages 11°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

208 mm of rain puts this in monsoon territory — about 2 sunny days across the whole month, and multi-day washouts are normal.

It scores 4.5/10 here, 8th of 12 months, against 8/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, June is materially better in Lake Bohinj — 3.5 points higher on the same scale.

November in Lake Bohinj — the hardest end of the year

Hardest · 3.3/10

November averages 3°C (37°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

At 111 mm this is a genuinely wet month: about 0 sunny days in total, and outdoor plans need an indoor fallback.

It scores 3.3/10 here, 10th of 12 months, against 8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, June is materially better in Lake Bohinj — 4.7 points higher on the same scale.

December in Lake Bohinj — the hardest end of the year

Hardest · 2.3/10

December averages -1°C (30°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

At 119 mm this is a genuinely wet month: about 0 sunny days in total, and outdoor plans need an indoor fallback.

It scores 2.3/10 here, 11th of 12 months, against 8/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, June is materially better in Lake Bohinj — 5.7 points higher on the same scale.

Frequently asked

When is the best time to visit Lake Bohinj, Slovenia?
In Ideal Weather mode, the best months to visit Lake Bohinj are June. June is the single peak month with an Ideal Weather score of 8.0/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Lake Bohinj year-round?
Lake Bohinj has a climate profile suited to nature and wildlife travel. Average monthly temperatures range from -3°C in January to 19°C in July, with Ideal Weather scores between 2.2 and 8.0 out of 10.
Which months should I avoid in Lake Bohinj?
The lowest Ideal Weather-scoring months in Lake Bohinj are January (2.2/10), December (2.3/10), November (3.3/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Lake Bohinj?
September is the wettest month in Lake Bohinj, averaging about 212 mm of rainfall. February is the driest, at roughly 67 mm.
Which is the sunniest month in Lake Bohinj?
July sees the most sun in Lake Bohinj, with about 28 sunny days on average - ideal for outdoor plans.
Is Lake Bohinj a good destination for nature and wildlife travel?
Lake Bohinj is well suited to nature and wildlife travel. Its highest Ideal Weather window (June) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Lake Bohinj calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Lake Bohinj: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for nature and wildlife travel.

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