April Weather in Graz, Austria

Last updated: February 26, 2025

April in Graz, Austria, showcases a vivid tapestry of weather, featuring temperatures that can soar to a pleasant 27°C (80°F) while settling at a refreshing average of 10°C (51°F). However, the month can start with a chill, dipping to a frosty minimum of -5°C (24°F). Rain is a frequent companion, with 57 mm (2.3 in) of precipitation spread over approximately 10 days, enhancing the lush landscapes of this picturesque city. With a humidity level hovering around 73%, April presents a dynamic blend of springtime warmth and the invigorating freshness of rain-soaked air, creating an atmosphere that is both vibrant and revitalizing.

April Temperature in Graz

In April, Graz, Austria begins to emerge from the winter chill, showcasing a notable rise in temperatures. The month presents a minimum temperature of -5°C (24°F), marking a significant shift from the frigid conditions seen in earlier months. With an average of 10°C (51°F) and a maximum reaching 27°C (80°F), residents and visitors alike can enjoy the fresh spring air as nature bursts into bloom. This transitional month is characterized by crisp mornings that gradually give way to pleasantly warm afternoons, providing the perfect backdrop for exploring the city's vibrant parks and outdoor cafes. As April progresses, it sets the stage for a warm May, highlighting the typical upward trend in Graz's springtime weather.

April Weather in Graz: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Graz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313742505868696960514133
Data source: Temperature data for Graz generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Graz

April in Graz, Austria marks a significant shift in the weather as the region begins to embrace spring. With 57 mm (2.3 in) of precipitation spread over 10 days, this month sees a noticeable increase in rainfall compared to the preceding months, which typically average around 38 mm in both January and February. The trend indicates a steady rise in moisture leading into May, where precipitation nearly doubles to 112 mm (4.4 in), setting the stage for lush greenery and vibrant blossoms. April's rainfall not only nourishes the budding flora but also highlights a pattern of increasing precipitation as the season progresses, paving the way for summer's more abundant downpours.

April Precipitation Trends in Graz

The chart displays monthly precipitation patterns in Graz, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec253838571127791101102457354
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Graz

In Graz, Austria, April marks a noticeable shift in humidity levels, dipping to 73% from March's 78%. This gradual decline is part of a larger trend as the winter months yield to spring, with humidity levels progressively dropping from a high of 90% in January to the more moderate figures seen later in the year. Following April, May continues this trend with even lower humidity at 71%, suggesting a comfortable transition into warmer temperatures. Interestingly, as summer approaches, humidity fluctuates slightly but remains relatively mild, hinting at an inviting climate for outdoor activities. The overall pattern indicates that while April is still somewhat humid, it offers a glimpse of the drier months ahead, bridging the gap between the cold, damp winter and the balmy summer.

April Average Humidity in Graz

This chart illustrates the average monthly humidity levels in Graz, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Graz

In April, Graz experiences a notable rise in UV exposure, with the UV Index reaching 6 and classified as high, shortening the recommended burn time to just 25 minutes. This marks a significant shift from the moderate levels observed in the previous months. As spring takes center stage, it's essential for residents and visitors alike to recognize the increasing intensity of the sun's rays and to take necessary precautions. The trend of escalating UV levels continues into May and June, when the Index peaks at 8 and 9, respectively, signaling that sun safety measures become crucial as the seasons change. Staying informed about the UV Index is vital to protect your skin. For more information, check out the full details at Graz UV Index.

Maximum UV Index Levels in Graz for April

The chart shows the monthly maximum UV Index (UVI) for Graz in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689986431
Data source: Graz April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Graz

As spring unfolds in Graz, Austria, April shines brightly with 345 hours of sunshine, marking a delightful increase from the previous months. The trend of increasing daylight hours is evident as the city transitions from the long, dark winter months into a vibrant and sun-kissed season. Following a steady climb since January, the number of sunshine hours peaks in April, setting the stage for a radiant May that brings an impressive 359 hours. This progression not only revitalizes the landscape but also uplifts the spirit of Graz, as residents and visitors alike embrace the warmth and energy of the season, eagerly anticipating the summer months ahead.

Monthly Sunshine Duration in Graz: April Highlighted

The April sunshine duration represents the total number of hours Graz experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec171h230h306h345h359h397h419h382h313h284h213h199h
Data source: Graz April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Graz During April

April in Graz, Austria, brings a notable shift in sunny weather, with chances of sunshine dipping to 39%, a decrease from the brighter March, which enjoys a 54% likelihood. This pattern highlights the transitional nature of spring, where sunshine can be more elusive than in the preceding month. Despite the promise of warmer days ahead, April's weather can often be unpredictable, hinting at a lingering coolness before May settles in at 35%. As the seasons continue to change, sunshine enthusiasts may find hope in the following months, particularly as July and September shine with 45% and 51% chances of sun, respectively. Thus, while April may not bring the most reliable sunshine, it paves the way for brighter days to come.

Percentage of Sunny Days in April in Graz

The chart illustrates the percentage of sunny days in Graz throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Graz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%48%54%39%35%50%45%41%51%40%28%34%
Data source: Graz April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Graz in April

As spring unfolds in Graz, Austria, April brings a delightful increase in daylight, expanding to a generous 13 hours. This month marks a significant leap from the 11 hours of March, showcasing the vibrant transition towards longer, sunlit days. The gradual elongation of daylight hours is a clear trend, uplifting spirits and encouraging outdoor activities. Following April, May will further delight residents with 15 hours of daylight, continuing the upward trajectory that peaks in the early summer months. This steady increase not only enhances the beauty of Graz but also invites its inhabitants to bask in the warmth and light of the season.

Average Daylight Hours in Graz for April

The chart illustrates the variation in daylight duration in Graz throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 58m10h 17m11h 56m13h 37m15h 4m15h 48m15h 25m14h 7m12h 30m10h 49m9h 20m8h 34m
Data source: Graz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Graz

As spring unfolds in Graz, Austria, April breathes in a refreshing increase in average wind speed at 2.1 m/s (5 mph), a gentle rise that hints at the awakening of nature. This elevation marks a noticeable transition from the calmness of winter, where January and February were steadfastly low at 1.7 m/s (4 mph). In March, the winds picked up slightly, reaching 1.9 m/s (4 mph), perhaps foreshadowing the livelier days ahead. April stands out not just for its brisk breezes, but as a pivotal moment in the yearly cycle, setting the stage for the consistent winds of May. This month’s modest increase serves as a reminder of the seasonal shift, where Graz begins to shake off winter’s chill and embrace the vibrant energy of spring.

Average April Wind Speed in Graz

The chart displays monthly wind speed patterns in Graz, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.71.92.1 m/s2.01.72.01.61.51.71.31.5
Data source: Graz April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Graz Compares to Other Months

The weather in Graz changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Graz and find detailed weather information for every month.

April and January present contrasting weather patterns. In January, temperatures can plunge to a minimum of -19°C (1°F) and typically hover around 0°C (32°F), leading to a chilly environment with high humidity at 90%. Precipitation is relatively low, with only about 25 mm (1.0 in) over roughly 5 days. In stark contrast, April showcases a much milder climate, with temperatures ranging from a minimum of -5°C (24°F) to an average of 10°C (51°F) and peaking at 27°C (80°F). The month also sees more precipitation, totaling 57 mm (2.3 in) across about 10 days, and humidity levels remain moderate at 73%. For a detailed look into January weather conditions, visit Graz weather in January.

April and February present a notable contrast in weather. April temperatures range from a chilly minimum of -5°C (24°F) to a warm maximum of 27°C (80°F), yielding an average of 10°C (51°F). In comparison, February features much colder conditions, with a minimum of -14°C (7°F) and an average of only 3°C (37°F), peaking at a maximum of 20°C (68°F). Precipitation is also more prolific in April, totaling 57 mm (2.3 in) over 10 days, compared to February's 38 mm (1.5 in) over 8 days. Additionally, February tends to be more humid with a humidity level of 84%, whereas April has a slightly lower average of 73%. For more detailed insights, check out Graz weather in February.

In comparing the weather between March and April, one can observe a significant warming trend as spring takes hold. In March, temperatures ranged from a chilly minimum of -20°C (-4°F) to a mild maximum of 23°C (73°F), with an average temperature of 5°C (42°F). The month saw a total precipitation of 38 mm (1.5 in) over 8 days, paired with a higher humidity level of 78%. In contrast, April experienced milder conditions with minimum temperatures dropping to -5°C (24°F), an average of 10°C (51°F), and a maximum reaching 27°C (80°F). Although April had slightly more precipitation at 57 mm (2.3 in) across 10 days, the overall rise in temperature and decreased chill signals a clear transition into spring. For more details on March weather, visit Graz weather in March.

April and May display a noticeable transition in weather patterns. In April, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant maximum of 27°C (80°F), with an average of 10°C (51°F). This month experiences about 57 mm (2.3 in) of precipitation over roughly 10 days, accompanied by a humidity level of 73%.

In contrast, May brings warmer temperatures, with minimums of 1°C (34°F) and maximums reaching up to 29°C (85°F), along with an average temperature of 14°C (58°F). Rainfall increases significantly to 112 mm (4.4 in) spread over 18 days, and humidity remains slightly lower at 71%. For more detailed insights, you can check out Graz weather in May.

April and June present notable differences in weather patterns. In April, temperatures range from a chilly minimum of -5°C (24°F) to a milder maximum of 27°C (80°F), with an average of around 10°C (51°F). The month experiences about 57 mm (2.3 in) of precipitation over approximately 10 days, accompanied by a humidity level of 73%. In contrast, June is generally warmer, with minimum temperatures of 5°C (42°F) and maximums reaching up to 35°C (95°F), resulting in an average of 20°C (68°F). This month sees an increase in precipitation to 77 mm (3.0 in) spread over 14 days, while humidity remains consistent at 73%. For more detailed information on the weather, check out Graz weather in June.

April weather is characterized by a wider range of temperatures, with minimums dipping to -5°C (24°F) and maximums reaching 27°C (80°F). In contrast, July presents a more consistently warm climate, featuring minimum temperatures of 10°C (49°F) and soaring to highs of 34°C (94°F). While April experiences moderate precipitation with 57 mm (2.3 in) over about 10 days, July sees increased rainfall at 91 mm (3.6 in) across 14 days, albeit with slightly lower humidity at 70%. For a more detailed look at July weather, you can visit Graz weather in July.

April and August exhibit distinct weather patterns, reflective of the transition from spring to summer. In April, temperatures range from a chilly minimum of -5°C (24°F) to a comfortable average of 10°C (51°F), peaking at 27°C (80°F). This month sees about 57 mm (2.3 in) of precipitation over approximately 10 days, accompanied by a higher humidity level of 73%. In contrast, August boasts a warmer climate with minimum temperatures starting at 7°C (45°F) and an average of 21°C (69°F), reaching up to a scorching maximum of 36°C (97°F). Precipitation increases to 101 mm (4.0 in) over 13 days, though humidity decreases to 60%. For a more detailed look at the weather in the summer, you can explore Graz weather in August.

April and September present contrasting weather patterns, offering distinct experiences for those who enjoy varying climatic conditions. In April, temperatures can dip as low as -5°C (24°F) but can rise to a pleasant 27°C (80°F) by the end of the month, with an average temperature of 10°C (51°F). The month sees about 57 mm (2.3 in) of precipitation spread over approximately 10 days, combined with a higher humidity level of 73%.

In comparison, September enjoys milder temperatures, with a minimum of 1°C (34°F), an average of 16°C (60°F), and a maximum reaching 30°C (86°F). However, it experiences more rainfall, totaling 102 mm (4.0 in) over 12 days, while maintaining a lower humidity at 65%. For a deeper look at September's weather specifics in Graz, you can check out Graz weather in September.

April and October both transition the seasons with mild temperatures, but they exhibit distinct weather patterns. In April, temperatures range from a minimum of -5°C (24°F) to a maximum of 27°C (80°F), with an average of 10°C (51°F) and about 57 mm (2.3 inches) of precipitation over approximately 10 days. Humidity sits at 73%, making the air feel fresh yet somewhat damp.

In contrast, October's temperatures range from a minimum of -1°C (30°F) to a maximum of 25°C (77°F), with a similar average of 11°C (51°F). The month sees less precipitation at about 45 mm (1.8 inches) over 8 days, but with a higher humidity level of 84%. This increased humidity can make the cooler weather feel more pronounced. For those interested in more details, you can explore Graz weather in October.

April and November present quite contrasting weather patterns. In April, temperatures range from a minimum of -5°C (24°F) to a pleasant maximum of 27°C (80°F), with an average temperature of 10°C (51°F). The month sees around 57 mm (2.3 in) of precipitation, spread over approximately 10 days, and maintains a humidity level of 73%. In comparison, November features slightly lower temperatures, with a minimum of -6°C (22°F) and a maximum of 20°C (68°F), averaging only 5°C (42°F). Precipitation increases to 73 mm (2.9 in) over the same number of rainy days, with humidity elevated at 89%. For a detailed look into the weather specifics for November, check out Graz weather in November.

April and December present starkly contrasting weather conditions. In April, temperatures range from a chilly -5°C (24°F) at night to a pleasant 27°C (80°F) during the day, with an average of 10°C (51°F). The month experiences moderate precipitation of 57 mm (2.3 in) over about 10 days, coupled with a humidity level of 73%. Conversely, December is significantly colder, with temperatures dropping to a minimum of -7°C (19°F) and only reaching a maximum of 13°C (55°F), averaging just 1°C (34°F). It experiences slightly less precipitation at 54 mm (2.1 in) across 8 days, but the humidity is higher at 89%. For more details about December weather, visit Graz weather in December.

Compare Graz's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Graz

April in Graz is a month of transformation, where spring begins to assert itself amidst lingering winter chill. While temperatures can reach a pleasant 27°C (80°F), the average remains much cooler, reflecting a blend of warm days and crisp nights. Compared to the preceding months, April brings increased precipitation, with ten days of rain contributing to a humidity level of 73% that enhances the blossoming landscape. This combination of fluctuating temperatures and occasional showers makes April uniquely vibrant, inviting locals and visitors alike to enjoy the beauty of nature's renewal. For a deeper dive into Graz's climatic patterns, check out Graz Climate.