Climate and monthly weather forecastKlagenfurt, Austria

Climate and monthly weather forecast

The climate of Klagenfurt

Geographically nestled in Austria, the city of Klagenfurt experiences a Dfb climate classification under the Köppen scheme. Essentially, it entails a humid continental climate with no distinct dry season and summer months that lend themselves to warmth. Throughout the year, the weather parameters depict quite a variation, distinguished by this city's location.

The mercury level fluctuates between the annual high of 23.4°C (74.1°F) in July to 0.7°C (33.3°F) recorded in January. A similar trend is observed in the low temperatures as it migrates from a frigid -6.2°C (20.8°F) in January to a tolerable 10.3°C (50.5°F) in August. Throughout the year, the relative humidity ranges between 76% to 89%.

Annual appreciable rainfall accounts for 668mm (26.3"), evenly distributed throughout the year, with 69mm (2.72") in May marking the peak and 26mm (1.02") in January being the lowest. The city experiences frequent snowfall from 71mm (2.8") to 100mm (3.94") between December and February, with almost no snow from May to September. Winter months also witness a decreased daylight period of 8.6 hours as compared to a more substantial 15.8 hours during the elusive months of summer.

Wind speed is relatively constant, ranging around 5.5km/h (3.4mph), while the pressure fluctuates modestly from 1015.2mb to 1020.4mb during the year. Uniquely, the city has optimum visibility all year round, rendering the climate favorable for tourists and visitors.

The best time to visit Klagenfurt

Owing to its temperate climate, the recommended period to visit Klagenfurt extends from late spring to early autumn, specifically between May to September.
During this time, the daily high temperatures hover around 16.7°C (62.1°F) to 23.4°C (74.1°F), which are pleasant for outdoor activities. These months also bring more sunshine, providing nearly 10 hours of daylight each day, offering ample daylight for sightseeing and exploration. The city's rainfall manages to attain a balance, providing the grounds with enough moisture without causing any severe disruptions to travelers' plans or outdoor events.

The worst time to visit Klagenfurt

The period from late November to early March might not be highly recommended for visits to Klagenfurt due to the harsh winter conditions. During this time, the city experiences an average low temperature that dips down to -6.2°C (20.8°F) in January, with an average high temperature reaching only 1.7°C (35.1°F) during February.
In addition, the city observes a marked increase in snowfall during these months, reaching a peak of 100mm (3.94") in January, further amplifying the harshness of winter. It coincides with the shortest daylight durations ranging from 8.6h to 10.3h, limiting the time available for sightseeing and outdoor activities.

Spring weather in Klagenfurt

Spring in Klagenfurt is distinguished by a pleasant rise in temperature, witnessed from March to May. The city experiences an upswing in its average daily high temperature during this period, moving from 7.1°C (44.8°F) in March to a comfortable 16.7°C (62.1°F) by May.
Accompanying this rise in temperature is an uptick in rainfall with an average of 42mm (1.65") in April to a high of 69mm (2.72") in May. Humidity too sees a slight dip during these months, fostering congenial conditions conducive to outdoor activities.

Summer weather in Klagenfurt

Summers in Klagenfurt, spanning June to August, are warm and memorable. The city witnesses a high temperature average of 21.2°C (70.2°F) in June, peaking at 23.4°C (74.1°F) in July. Despite consistent rainfall from 64mm (2.52") to 69mm (2.72"), the humidity remains rather constant at around 78%, maintaining a balance between the heat and moisture.
Daylight hours are generous, clocking in at approximately 15 hours a day, while sunshine lasts for nearly 10 hours, offering abundant opportunity for outdoor exploration and activities.

Autumn weather in Klagenfurt

Autumn descends upon Klagenfurt between September and November, bringing colder temperatures. The average high temperature drops from 17.5°C (63.5°F) in September to a cooler 7.1°C (44.8°F) by November. Rainfall also sees fluctuation, with 57mm (2.24") in September increasing to 66mm (2.6") in November. Outdoor activities might be curtailed during this period due to shorter daylight hours, averaging 12.6 hours in September and decreasing to 9.4 hours in November.

Winter weather in Klagenfurt

Winter in Klagenfurt is characterized by its chill, enveloping the city from December to February. During this period, the temperature averages drop significantly with the high temperatures ranging from 2.3°C (36.1°F) in December to 0.7°C (33.3°F) in January and low temperatures hitting a chilling low of -6.2°C (20.8°F) in January. Compounded by significantly increased snowfall amounts of 71mm (2.8") in December to 100mm (3.94") in January, winter’s grip over Klagenfurt tightens. With reduced daylight hours, about 8.6 hours in December and 9.1 hours in January, the city transforms into a winter wonderland.

Weather in January

Klagenfurt, Austria, introduces the New Year with cold weather and significant snowfall. January features the lowest average temperatures, reaching a meager 0.7°C (33.3°F) during the day and dipping to -6.2°C (20.8°F) at night. Weather in January »

Weather in February

The Wörthersee region's residents associate February with the cold snap's end as temperatures slightly increase, declining snowfall, and the winter sun appearing more frequently. However, February reports the highest monthly snowfall amounting to 160mm (6.3"). Weather in February »

Weather in March

In Klagenfurt weather transitions towards spring throughout March. Temperature ranges experience a significant jump, with the highs around 7.1°C (44.8°F) and lows around -1.8°C (28.8°F). The weather pattern evolves, with significant shifts like snowfall almost vanishing, replaced by increased rainfall, making the environment vibrant and awash with spring colors. Weather in March »

Weather in April

April's weather brings with it a welcoming warmth for the city's residents. Both daytime and nighttime temperatures increase, creating a more comfortable atmosphere. Rainfall occurrences hold steady, offering sunny days and clear visibility for sightseeing around the famous monuments like Lindwurm and Maria Loretto Castle. Weather in April »

Weather in May

The pleasant spring weather continues into May, but with peaks of heat, hinting at the upcoming summer season. With the highest amount of rainfall, 69mm (2.72"), May stands out as the rainiest month. It brings the immense charm of nature and results in lusher greenery, making it perfect for picnics or cycling tours in Klagenfurt's parks. Weather in May »

Weather in June

June marks the beginning of summer, offering temperate weather conditions and extended daylight. The temperature's steady upswing, with warm and pleasant evenings, provides ample opportunity for outdoor activities during Klagenfurt Ironman Austria. Weather in June »

Weather in July

July, often known as high summer, brings a distinct Mediterranean feel to Klagenfurt's weather conditions. It tops the chart with the peak average daytime temperatures touching 23.4°C (74.1°F), retaining the title of the hottest month of the year. Weather in July »

Weather in August

August promises to maintain July's warmth but shades off the highest temperature peak a bit. The mercury readings create ambient conditions for sightseeing and attending cultural events such as the Carinthian Summer Music Festival. Weather in August »

Weather in September

September graces Klagenfurt with mild weather, marking the commencement of the fall. September stands unique due to the reversal of the trend of rising average temperatures, dropping down to 17.5°C (63.5°F). Autumnal tones begin to coat the landscapes as the trees start to shed their leaves. Weather in September »

Weather in October

October in Klagenfurt brings a distinctly autumnal weather, accompanied by cooler temperatures and shorter daylight hours. The sinking temperatures coupled with increased cloud cover add to the tranquil charm of the season. Quick and unpredictable showers characterize the weather pattern, interplaying with sunny patches, fascinating the beholders with some dramatic weather spectacles. Weather in October »

Weather in November

November invites the winter season to Klagenfurt with temperatures dropping to a chilly 7.1°C (44.8°F). The almost forgotten white blanket starts finding its way back to Klagenfurt, with 52mm (2.05") of snowfall recorded. With the highest relative humidity, November adds a constant moist feeling to the air, along with a colder wind blowing across the city. Weather in November »

Weather in December

December dresses the city of Klagenfurt in a winter wonderland, reinstating the festive mood with holiday-themed events and markets. December stands out because of the highest amount of snowfall days, making it the month with the most white landscapes. Weather in December »

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January, having an average high-temperature of 0.7°C (33.3°F) and an average low-temperature of -6.2°C (20.8°F), is the coldest month.

January is the month with the least rainfall in Klagenfurt, Austria. Rain falls for 7.3 days and accumulates 26mm (1.02") of precipitation.

Throughout the year, there are 152.4 rainfall days, and 608mm (23.94") of precipitation is accumulated.

Months with snowfall are January through April, October through December.

Throughout the year, in Klagenfurt, Austria, there are 28.7 snowfall days, and 465mm (18.31") of snow is accumulated.

February is the most humid month in Klagenfurt, with an average relative humidity of 89%.

February is the month with the most snowfall in Klagenfurt. Snow falls for 9 days and accumulates 160mm (6.3") of snow.

With an average of 4.5h of sunshine, February has the least sunshine of the year in Klagenfurt, Austria.

April is the least humid month, with an average relative humidity of 76%.

The month with the most rainfall is May, when the rain falls for 18.4 days and typically aggregates up to 69mm (2.72") of precipitation.

May through September are months without snowfall in Klagenfurt.

June has the longest days of the year, with an average of 15h and 48min of daylight.

June and July, with an average maximum UV index of 5, are months with the highest UV index.

In Klagenfurt, July registers the highest temperatures, averaging 23.4°C (74.1°F) at the peak and 10.2°C (50.4°F) at the lowest.

July has the most sunshine of the year, with an average of 10.8h of sunshine.

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Klagenfurt, Austria, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.

The month with the lowest UV index in Klagenfurt, Austria, is November, with an average maximum UV index of 1.

With an average of 8h and 36min of daylight, December has the shortest days of the year.

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Average temperature
Klagenfurt, Austria

Average high temperature in January:
0.7°C
Average high temperature in February:
1.7°C
Average high temperature in March:
7.1°C
Average high temperature in April:
13.3°C
Average high temperature in May:
16.7°C
Average high temperature in June:
21.2°C

Average high temperature in July:
23.4°C
Average high temperature in August:
23.1°C
Average high temperature in September:
17.5°C
Average high temperature in October:
12.8°C
Average high temperature in November:
7.1°C
Average high temperature in December:
2.3°C

The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (0.7°C).

Average low temperature in January:
-6.2°C
Average low temperature in February:
-5.9°C
Average low temperature in March:
-1.8°C
Average low temperature in April:
2.3°C
Average low temperature in May:
5.2°C
Average low temperature in June:
8.6°C

Average low temperature in July:
10.2°C
Average low temperature in August:
10.3°C
Average low temperature in September:
7.1°C
Average low temperature in October:
3.6°C
Average low temperature in November:
0.6°C
Average low temperature in December:
-4.3°C

The month with the highest average low temperature is August (10.3°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).

Average pressure
Klagenfurt, Austria

Average pressure in January:
1018.8mbar
Average pressure in February:
1017.4mbar
Average pressure in March:
1016.8mbar
Average pressure in April:
1015.6mbar
Average pressure in May:
1015.2mbar
Average pressure in June:
1015.4mbar

Average pressure in July:
1015.7mbar
Average pressure in August:
1016.9mbar
Average pressure in September:
1018.1mbar
Average pressure in October:
1018.9mbar
Average pressure in November:
1016.5mbar
Average pressure in December:
1020.4mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is May (1015.2mbar).

Average wind speed
Klagenfurt, Austria

Average wind speed in July:
5.3km/h
Average wind speed in August:
4.9km/h
Average wind speed in September:
5.2km/h
Average wind speed in October:
5.5km/h
Average wind speed in November:
5.4km/h
Average wind speed in December:
5.4km/h

The windiest month (with the highest average wind speed) is March (6.3km/h).
The calmest month (with the lowest average wind speed) is August (4.9km/h).

Average humidity
Klagenfurt, Austria

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is April (76%).

Average rainfall
Klagenfurt, Austria

The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is January (26mm).

Average rainfall days
Klagenfurt, Austria

Average rainfall days in January:
7.3 days
Average rainfall days in February:
8.6 days
Average rainfall days in March:
11.3 days
Average rainfall days in April:
14.3 days
Average rainfall days in May:
18.4 days
Average rainfall days in June:
16.1 days

Average rainfall days in July:
17.8 days
Average rainfall days in August:
14.6 days
Average rainfall days in September:
12.5 days
Average rainfall days in October:
10.3 days
Average rainfall days in November:
13.5 days
Average rainfall days in December:
7.7 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (7.3 days).

Average snowfall
Klagenfurt, Austria

The month with the highest snowfall is February (160mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days
Klagenfurt, Austria

Average snowfall days in January:
7.8 days
Average snowfall days in February:
9 days
Average snowfall days in March:
4.8 days
Average snowfall days in April:
0.5 days
Average snowfall days in May:
0 days
Average snowfall days in June:
0 days

Average snowfall days in July:
0 days
Average snowfall days in August:
0 days
Average snowfall days in September:
0 days
Average snowfall days in October:
0.2 days
Average snowfall days in November:
1.8 days
Average snowfall days in December:
4.6 days

The month with the highest number of snowfall days is February (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Klagenfurt, Austria

Average daylight in January:
9h and 6min
Average daylight in February:
10h and 18min
Average daylight in March:
11h and 54min
Average daylight in April:
13h and 36min
Average daylight in May:
15h and 0min
Average daylight in June:
15h and 48min

Average daylight in July:
15h and 24min
Average daylight in August:
14h and 12min
Average daylight in September:
12h and 36min
Average daylight in October:
10h and 54min
Average daylight in November:
9h and 24min
Average daylight in December:
8h and 36min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

Average sunshine in January:
5h and 24min
Average sunshine in February:
4h and 30min
Average sunshine in March:
7h and 0min
Average sunshine in April:
9h and 36min
Average sunshine in May:
9h and 42min
Average sunshine in June:
10h and 24min

Average sunshine in July:
10h and 48min
Average sunshine in August:
10h and 30min
Average sunshine in September:
8h and 54min
Average sunshine in October:
6h and 0min
Average sunshine in November:
4h and 48min
Average sunshine in December:
5h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).