May Weather in Graz, Austria

Last updated: February 26, 2025

May in Graz, Austria presents a delightful blend of springtime warmth and refreshing showers. With maximum temperatures reaching 29°C (85°F) and a comfortable average of 14°C (58°F), the month invites outdoor exploration and blooming activities. However, visitors should be prepared for a bit of rain, as 112 mm (4.4 in) of precipitation falls over 18 days, contributing to a humidity level of 71%. This combination of warmth and moisture nourishes the region's lush landscapes, making May an enchanting time to experience the beauty and vibrancy of Graz.

May Temperature in Graz

As Graz, Austria transitions into May, temperatures emerge from the lingering chill of winter, bringing a breath of fresh air to the locale. With minimums around 1°C (34°F), the city begins to thaw, allowing for an average temperature of 14°C (58°F)—a pleasant jump from the cooler months. By mid-May, residents can bask in highs reaching 29°C (85°F), painting a vibrant picture of spring's arrival. This gradual warming trend not only invites outdoor activities but also ushers in a lively atmosphere as nature bursts into bloom. The clear upward trajectory of temperatures emphasizes May as a delightful month in Graz, characterized by an invigorating blend of warmth and the lush revival of the landscape.

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

The chart illustrates May 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.

May Precipitation in Graz

In May, Graz experiences a significant leap in precipitation, with 112 mm (4.4 in) of rainfall recorded over 18 days. This marked increase is not just a slight uptick from previous months; it represents the wettest month of the year so far, nearly doubling the 57 mm (2.3 in) in April. The shift to more frequent wet days suggests a transition into the peak of the rainy season, as May typically brings vibrant greenery and blooming flowers to the region. This trend of heightened precipitation continues through the summer months, reinforcing Graz’s reputation for lush landscapes, while the earlier months see a gradual buildup leading to this pivotal crescendo.

May Precipitation Trends in Graz

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

In May, Graz, Austria experiences a relatively mild humidity level of 71%, marking a gradual decline from the wetter months of winter and early spring. As temperatures rise from January's 90% humidity, we observe a steady decrease, culminating in the driest months of late summer. This trend reflects the transition towards warmer weather, where July's 70% and August's 60% present the most comfortable humidity levels of the year. While May’s humidity is still notable, it serves as a gentle reminder of the upcoming summer's refreshing air, providing residents and visitors alike with an ideal time to enjoy the vibrant outdoor scene in Graz.

May Average Humidity in Graz

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

May UV Index in Graz

In May, Graz experiences a significant rise in the UV Index, reaching 8, which categorizes it as very high. This dramatic increase from the previous months highlights the importance of sun protection, as the burn time drops to just 15 minutes. As spring gives way to summer, residents and visitors alike should be vigilant about sun exposure, aligning with the trend of escalating UV levels leading into the warmer months. Knowing how to stay safe under the sun becomes increasingly crucial, especially as the UV Index continues to climb in June and July. For those looking to learn more about sun safety and the UV Index in Graz, more information can be found at Graz UV Index.

Maximum UV Index Levels in Graz for May

The chart shows the monthly maximum UV Index (UVI) for Graz in May, 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 May 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.

May Sunshine in Graz

As May unfolds in Graz, Austria, the city basks in 359 hours of sunshine, marking a delightful peak in its spring transition. After steadily increasing from 171 hours in January to 345 hours in April, May's bright days signal the heart of the vibrant season. The sunshine hours not only elevate the spirits but also set the stage for the warm summer months ahead, with June boasting an impressive 397 hours of sunlight. This upward trend reflects Graz's embrace of long, sunlit days that enhance outdoor activities and inspire the bloom of its lush landscapes. As the city continues to soak in the sunlight, residents and visitors alike revel in the charming allure of springtime in this picturesque Austrian locale.

Monthly Sunshine Duration in Graz: May Highlighted

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

Chance of Sun in Graz During May

In Graz, Austria, May enjoys a 35% chance of sunny weather, marking a modest peak amid the fluctuation of the preceding months. While this percentage is a slight dip from March's 54%, it follows the cooler April days and hints at the approaching summer warmth. As spring unfolds, the likelihood of sunny skies begins to stabilize, with June showing a notable increase to 50%. This trend indicates that while May may not be the sunniest month, it serves as a bridge to brighter days ahead, aligning with the general warming pattern observed as the year progresses into summer.

Percentage of Sunny Days in May in Graz

The chart illustrates the percentage of sunny days in Graz throughout the year, with May 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 May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Graz in May

As May arrives in Graz, Austria, the days stretch delightfully long, offering about 15 hours of daylight—a significant increase from the 8 hours in January. This month marks a peak in daylight hours, matching June's luminosity and setting a vibrant tone for the burgeoning summer. Following April's 13 hours, the gradual ascent continues, reflecting a clear trend of increasing daylight as the seasons transition. After May, the daylight will begin to recede slightly, yet the lingering warmth and brightness foster an energizing atmosphere, perfect for outdoor activities amid blossoming nature. As the sun lingers longer in the sky, Graz transforms into a canvas of light, inviting both locals and visitors to embrace the joy of longer days.

Average Daylight Hours in Graz for May

The chart illustrates the variation in daylight duration in Graz throughout the year, with May 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.

May Winds in Graz

In May, Graz experiences a gentle breeze with an average wind speed of 2.0 m/s (5 mph), which is consistent with the moderate increase seen in April. This slight dip from the previous month suggests a transition into a calmer late spring. As the year progresses, the winds in Graz generally remain light, peaking at 2.1 m/s in April before settling back into the warm yet subdued summer months. The overall trend indicates a pattern of gradually fluctuating wind speeds, with May maintaining its position as one of the milder months, embodying the tranquil charm of the Austrian atmosphere.

Average May Wind Speed in Graz

The chart displays monthly wind speed patterns in Graz, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.71.92.12.0 m/s1.72.01.61.51.71.31.5
Data source: Graz May wind data, generated using information from the Copernicus Climate Change Service.

How May 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 May'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.

May and January present strikingly contrasting weather conditions. May typically enjoys milder temperatures, ranging from a minimum of 1°C (34°F) to a pleasant maximum of 29°C (85°F), along with a moderate average of 14°C (58°F). The month receives about 112 mm (4.4 in) of precipitation over 18 days, contributing to a humidity level of 71%. In contrast, January is much colder, with temperatures plummeting to a minimum of -19°C (-1°F) and only reaching a maximum of 15°C (59°F). The average temperature hovers around 0°C (32°F), and the month sees significantly less precipitation at 25 mm (1.0 in) over just 5 days, combined with higher humidity at 90%. For more detailed insights, check out Graz weather in January.

May and February present stark contrasts in weather conditions. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 29°C (85°F) during the day, with an average temperature of 14°C (58°F). This month also sees a notable amount of precipitation, totaling 112 mm (4.4 in) over 18 days, along with a humidity level of 71%. In contrast, February experiences more extreme cold, with temperatures hovering between a frigid -14°C (7°F) and a maximum of 20°C (68°F), giving an average of just 3°C (37°F). Precipitation during this month is significantly less, at 38 mm (1.5 in) over 8 days, albeit with a higher humidity of 84%. For more specifics on February weather, you can check Graz weather in February.

In comparing the weather of May and March, one can see a significant transition from winter to spring. March experiences much colder temperatures with a minimum of -20°C (-4°F) and an average of 5°C (42°F), while May enjoys milder conditions with a minimum of 1°C (34°F) and an average of 14°C (58°F). Precipitation is also more prevalent in May, totaling 112 mm (4.4 in) over 18 days, compared to just 38 mm (1.5 in) across 8 days in March. Humidity levels remain relatively high in both months, with March at 78% and May at 71%, indicating a dampness that lingers as the seasons shift. For a detailed look at March weather, you can check Graz weather in March.

In comparing the weather of May to that of April, it's evident that May generally experiences milder temperatures, with minimums of 1°C compared to April's -5°C. The average temperatures increase from 10°C in April to 14°C in May, and May also sees a higher maximum temperature of 29°C, although April reaches a close 27°C. Precipitation is significantly greater in May, with 112 mm falling over 18 days, while April has only 57 mm over 10 days. Humidity levels remain quite similar between the two months, with April at 73% and May slightly lower at 71%. For a more detailed overview, you can check Graz weather in April.

In comparison to May, June experiences a noticeable increase in temperature, with average highs soaring to 35°C (95°F) compared to May's maximum of 29°C (85°F). The minimum temperatures also rise, starting at 5°C (42°F) in June versus 1°C (34°F) in May, resulting in a warmer overall climate. While May sees higher precipitation levels at 112 mm (4.4 in) across 18 days, June has a milder amount of rainfall at 77 mm (3.0 in) over 14 days, contributing to a slightly drier feel. Humidity remains fairly consistent, with May at 71% and June at 73%, making both months relatively humid. For more detailed insights, you can check Graz weather in June.

May and July exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of 1°C (34°F) to a warm maximum of 29°C (85°F), with an average temperature of 14°C (58°F). This month also sees significant precipitation, totaling 112 mm (4.4 in) over about 18 days, alongside a relatively high humidity level of 71%. In contrast, July experiences milder nights with a minimum temperature of 10°C (49°F) and a warmer average of 21°C (69°F), peaking at a maximum of 34°C (94°F). Precipitation decreases to 91 mm (3.6 in) over 14 days, with humidity slightly lower at 70%. For more specific details, you can check Graz weather in July.

May and August demonstrate distinct weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a chilly 1°C (34°F) at night to a comfortable average of 14°C (58°F), peaking at 29°C (85°F) during the day. The month is characterized by higher humidity at 71% and considerable rainfall, with precipitation recorded on 18 days totaling 112 mm (4.4 in). In contrast, August showcases a milder climate with minimum temperatures of 7°C (45°F) and a higher average of 21°C (69°F), reaching up to a sweltering 36°C (97°F). This month experiences slightly less rain, with precipitation on 13 days amounting to 101 mm (4.0 in) and lower humidity at 60%. For a deeper dive into August weather specifics, you can visit Graz weather in August.

In May, the weather begins to warm up but can still experience cooler temperatures, with a minimum of 1°C (34°F) and an average of 14°C (58°F), reaching a maximum of 29°C (85°F). The month experiences considerable rainfall, totaling 112 mm (4.4 in) over 18 days, alongside a higher humidity level of 71%. In contrast, September offers slightly warmer average temperatures at 16°C (60°F) while maintaining similar minimum and maximum ranges, between 1°C (34°F) and 30°C (86°F). Precipitation is slightly lower in September at 102 mm (4.0 in) spread over just 12 days, with reduced humidity at 65%. For more details about the weather, check out Graz weather in September.

May and October present contrasting weather patterns. In May, temperatures can range from a chilly 1°C (34°F) at night to a warm 29°C (85°F) during the day, with an average temperature of 14°C (58°F). The month sees a significant amount of rainfall, totaling 112 mm (4.4 in) over about 18 days, coupled with a humidity level of 71%. In contrast, October experiences cooler temperatures, with nighttime lows dipping to -1°C (30°F) and daytime highs reaching 25°C (77°F), resulting in an average of 11°C (51°F). Precipitation drops to 45 mm (1.8 in) over 8 days, while humidity increases to 84%. For more details on October weather, visit Graz weather in October.

May tends to be much warmer than November, with temperatures ranging from a chilly 1°C (34°F) to a pleasant 29°C (85°F) and an average of 14°C (58°F). In contrast, November experiences cooler conditions, with temperatures dropping to a low of -6°C (22°F) and an average of just 5°C (42°F), peaking at 20°C (68°F). While May sees more precipitation at 112 mm (4.4 in) over 18 days, November is drier with only 73 mm (2.9 in) across 10 days. The humidity is also higher in November at 89%, compared to May’s 71%. For more information on November weather specifics, check out Graz weather in November.

May and December present stark contrasts in weather. May sees a noticeable range in temperatures, with a minimum of 1°C (34°F) and an average of 14°C (58°F), reaching a maximum of 29°C (85°F), making it a much warmer month overall. With 112 mm (4.4 in) of precipitation spread over 18 days, humidity hovers around 71%, contributing to the fresh feel of spring.

In contrast, December is significantly colder, featuring a minimum temperature of -7°C (19°F) and an average of just 1°C (34°F), with a maximum temperature of 13°C (55°F). Precipitation is lower at 54 mm (2.1 in) for just 8 days, but humidity rises to 89%, creating a damp chill in the air. For more details, you can check out Graz weather in December.

Compare Graz's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Graz

As May unfolds in Graz, the weather begins to shift, offering a delightful mix of warmth and occasional showers. Compared to the chill of earlier months, temperatures reach a pleasant average of 14°C, making outdoor activities increasingly inviting. However, with 18 days of precipitation and humidity levels around 71%, it's wise to keep an umbrella handy amidst the blossoming spring. This transitional month provides a refreshing contrast to the drier and cooler winter months, setting the stage for the vibrant summer to come. For a deeper dive into how Graz's weather patterns evolve year-round, visit Graz Climate.