Klagenfurt, nestled beside Lake Wörthersee in southern Austria, features a temperate continental climate with warm, sunny summers and cold, snowy winters. The city experiences distinct seasonal changes, moderate rainfall, and frequent sunshine. With long daylight hours in summer and a festive winter atmosphere, Klagenfurt is a year-round destination for outdoor activities, culture, and relaxation.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Klagenfurt’s climate is characterised by four distinct seasons and moderate temperature swings. Summers (June–August) are warm and pleasant, with average highs of 24–26°C and lows of 12–14°C. July is typically the hottest month, and heatwaves can occasionally push temperatures above 30°C. Rainfall is moderate but peaks in June, July, and August (100–130 mm monthly), often as brief thunderstorms. Sunshine is abundant, with 7–8.5 hours per day and up to 16 hours of daylight at the solstice. Humidity is comfortable, and gentle breezes from the lake provide relief on hot days.
Winters (December–February) are cold and can be snowy, with average highs of 1–3°C and lows of -5 to -7°C. January is the coldest month, and snow is common, especially from December to February, creating a picturesque winter scene. The city averages 50–60 cm of snow annually, with January being the snowiest month. Rainfall is lowest in winter, with 27–50 mm per month. Days are short, with just 2–3 hours of sunshine and about 8–9 hours of daylight. Spring (March–May) and autumn (September–November) are transitional, with mild to warm temperatures (10–19°C in May/September), frequent showers, and vibrant natural scenery. Winds are generally light to moderate, averaging 2–3 m/s, but can be brisk during storms. Klagenfurt receives about 900–950 mm of precipitation annually and enjoys 1,900–2,050 hours of sunshine per year, supporting lush parks and outdoor events.
| Average climate data for Klagenfurt, Austria | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 1 | 2 | 7 | 13 | 17 | 21 | 23 | 23 | 18 | 13 | 7 | 2 | 23 |
| Average minimum temperature (°C) | -6 | -6 | -2 | 2 | 5 | 9 | 10 | 10 | 7 | 4 | 1 | -4 | -6 |
| Average precipitation (mm) | 26 | 44 | 41 | 43 | 70 | 68 | 65 | 63 | 56 | 37 | 66 | 31 | 610 |
| Average rainfall days (days) | 7 | 9 | 11 | 14 | 18 | 16 | 18 | 15 | 12 | 10 | 13 | 8 | 152 |
| Average snowfall (mm) | 100 | 162 | 66 | 13 | 0 | 0 | 0 | 0 | 0 | 3 | 51 | 72 | 467 |
| Average snowfall days (days) | 8 | 9 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 29 |
| Average relative humidity (%) | 85 | 88 | 83 | 76 | 79 | 77 | 77 | 79 | 83 | 85 | 88 | 83 | 82 |
| Average wind speed (km/h) | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 5 | 5 | 6 |
| Average daily daylight hours (h) | 9 | 10 | 11 | 13 | 15 | 15 | 15 | 14 | 12 | 10 | 9 | 8 | 12 |
| Average daily sunshine hours (h) | 5 | 4 | 7 | 9 | 9 | 10 | 10 | 10 | 8 | 6 | 4 | 5 | 7 |
| Average cloud coverage (%) | 46 | 57 | 48 | 43 | 47 | 39 | 35 | 36 | 45 | 46 | 55 | 42 | 45 |
| Average UV index | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 4 | 3 | 2 | 1 | 2 | 3 |
The best time to visit Klagenfurt is from June to September, when temperatures are warmest (20–26°C), days are longest, and the city is lively with festivals, lake activities, and outdoor events. These months offer ideal conditions for swimming, hiking, and exploring the vibrant city and surrounding nature.
The least favourable time to visit is from December to February, when temperatures are lowest, days are shortest, and frequent snow or rain can limit outdoor activities. While winter is atmospheric and perfect for snow sports, the cold, damp, and sometimes cloudy conditions may not appeal to all travellers.
Klagenfurt has a temperate continental climate with warm, sunny summers and cold, snowy winters. Rain falls year-round, with peaks in summer. Winters are chilly and often snowy, creating a festive atmosphere.
The best time to visit Klagenfurt is from June to September, when the weather is warm, days are long, and the city is vibrant with outdoor activities and festivals. Early autumn is also pleasant for sightseeing.
Yes, snow is common from December to February, with January being the snowiest month. The city averages 50–60 cm of snow annually, creating a picturesque winter scene and supporting winter sports.
Klagenfurt receives about 900–950 mm of precipitation annually. Rain falls throughout the year, with the wettest months in June, July, and August. Showers are frequent but often brief, especially in summer.
Summer highs in Klagenfurt typically reach 24–26°C, with July being the warmest month. Heatwaves above 30°C are possible, but evenings are usually cool and comfortable for outdoor activities.
Winds in Klagenfurt are generally light to moderate (2–3 m/s), but can be brisk during storms, especially in spring and autumn. The city’s lakeside location means breezy conditions are common, particularly during unsettled weather.
Pack layers for cool mornings and evenings, a rain jacket for showers, and sun protection for summer. In winter, bring warm clothing, a hat, gloves, and waterproof shoes for cold, wet, or snowy conditions.
The warmest month, with the highest average maximum temperature, is July (23.4 °C). The month with the lowest average maximum temperature is January (0.7 °C). Overall, the average maximum temperature over the whole year is 12.2 °C.
The month with the highest average minimum temperature is August (10.4 °C). The coldest month, with the lowest average minimum temperature, is January (-6.1 °C). Overall, the average minimum temperature over the whole year is 2.5 °C.
The wettest month, with the highest amount of precipitation, is May (69.9 mm). The driest month, with the least amount of precipitation, is January (25.8 mm). Over the whole year there are 609.7 mm of rainfall on average.
The month with the most days of rain is May (18.3 days). The month with the fewest days of rain is January (7.3 days). Over the whole year there are 152.3 days of rain on average.
The month with the most snowfall is February (161.8 mm). The months with the least snowfall are May, June, July, August and September (0 mm). Over the whole year there are 467.1 mm of snowfall on average.
The month with the most days of snowfall is February (9.1 days). The months with the fewest days of snowfall are June, August and September (0 days). Over the whole year there are 28.9 days of snowfall on average.
The month with the highest average relative humidity is November (88.4 %). The month with the lowest average relative humidity is April (76.1 %). The overall average relative humidity over the whole year is 81.9 %.
The windiest month, with the highest average wind speed, is March (6.3 km/h). The calmest month, with the lowest average wind speed, is August (5 km/h). The overall average wind speed over the whole year is 5.6 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is February (56.5 %). The month with the clearest skies, so the lowest cloud coverage, is July (35.1 %). Over the whole year there is an average cloud coverage of 44.8 %.
The month with the longest days, so the most daylight, is June (Average daylight: 15.1 h). The month with the shortest days, so the least daylight, is December (Average daylight: 8.1 h). Over the whole year there are 11.8 h of daylight per day on average.
The month with the most sunshine per day is July (Average sunshine: 10.2 h). The month with the least sunshine per day is February (Average sunshine: 3.9 h). Over the whole year there are 7.3 h of sunlight per day on average.
The months with the highest average UV index are June and July (UV index: 5). The month with the lowest average UV index is November (UV index: 1). Over the whole year the average UV index is 2.8.
