January in Klagenfurt — off-season conditions
Hardest · 2.8/10January averages -2°C (28°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 87 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 8.8 hours of daylight.
It scores 2.8/10 here, 11th of 12 months, against 7.5/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? June scores 4.7 points higher here — enough to change the trip.
February in Klagenfurt — the hardest end of the year
Hardest · 4.4/10February averages 1°C (33°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 52 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with about 1 days with 6+ hours of sunshine and 10 hours of daylight.
It scores 4.4/10 here, 9th of 12 months, against 7.5/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? June scores 3.1 points higher here — enough to change the trip.
March in Klagenfurt — workable with trade-offs
Trade-offs · 5.2/10At 4°C (39°F) this is proper winter weather in March: layer up and split the day between outdoor highlights and indoor stops.
Budget for roughly 83 mm of rain this month — a flexible day or two helps — with about 9 days with 6+ hours of sunshine and 11.6 hours of daylight to work around it.
That is 5.2/10 on the same scale — 7th of 12 months, versus 7.5/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
If your dates are flexible, June is materially better in Klagenfurt — 2.3 points higher on the same scale.
April in Klagenfurt: mixed conditions, plan around the weather
Trade-offs · 6.1/10April averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 94 mm, so plan one flexible day in three; you still get about 15 days with 6+ hours of sunshine and 13.3 hours of daylight.
It scores 6.1/10 here, 5th of 12 months, against 7.5/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
May in Klagenfurt — middling scores, decent value
Trade-offs · 6.4/10Temperatures hover around 13°C (55°F) — the kind of month where neither heat nor cold forces the schedule.
156 mm of rain signals a properly wet month, with only about 19 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 6.4/10 on the same scale — 4th of 12 months, versus 7.5/10 for the best month here.
Budget for 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.
June in Klagenfurt — the year's strongest window
Best window · 7.5/10June averages 17°C (63°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Monthly rainfall reaches 131 mm — wet for this destination — but about 26 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
On our climate-comfort scale this is the top-ranked month of the year for Klagenfurt at 7.5/10 — the reference point every other month on this page is measured against.
Plan for peak pricing, with crowds are moderate. 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.
July in Klagenfurt — reliably good (3rd best month)
Good · 7.1/10July averages 20°C (67°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Monthly rainfall reaches 183 mm — wet for this destination — but about 28 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.1/10 here, 3rd of 12 months, against 7.5/10 in the destination's best month.
Figure on peak pricing, with 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 light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
August holds up well in Klagenfurt — 2nd best month
Good · 7.3/10At 20°C (67°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
145 mm of rain makes this a wet month here, though with about 21 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.3/10 on the same scale — 2nd of 12 months, versus 7.5/10 for the best month here.
Budget for 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 light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
September in Klagenfurt: mixed conditions, plan around the weather
Trade-offs · 5.8/10Temperatures hover around 14°C (57°F) — the kind of month where neither heat nor cold forces the schedule.
193 mm of rain signals a properly wet month, with only about 11 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5.8/10 on the same scale — 6th of 12 months, versus 7.5/10 for the best month here.
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.
If your dates are flexible, June is materially better in Klagenfurt — 1.7 points higher on the same scale.
October in Klagenfurt — the hardest end of the year
Hardest · 4.5/10October averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 167 mm this is a genuinely wet month: about 2 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 4.5/10 here, 8th of 12 months, against 7.5/10 in the destination's best month.
Plan for low-season pricing, with 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.
Flexible dates? June scores 3 points higher here — enough to change the trip.
November in Klagenfurt — off-season conditions
Hardest · 3.7/10November averages 3°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 95 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 9.1 hours of daylight.
It scores 3.7/10 here, 10th of 12 months, against 7.5/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? June scores 3.8 points higher here — enough to change the trip.
December in Klagenfurt — off-season conditions
Hardest · 2.7/10At -1°C (31°F) this is proper winter weather in December: layer up and split the day between outdoor highlights and indoor stops.
102 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 8.4 hours of daylight.
That is 2.7/10 on the same scale — 12th of 12 months, versus 7.5/10 for the best month here.
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.
If your dates are flexible, June is materially better in Klagenfurt — 4.8 points higher on the same scale.
