May Weather in Karlsruhe, Germany

Last updated: February 26, 2025

In May, Karlsruhe, Germany experiences a diverse climate that showcases both warmth and moisture. With a maximum temperature reaching 31°C (88°F), the month is characterized by pleasant days, though the average dips to a mild 14°C (58°F). Nights can be notably cool, with temperatures occasionally dropping to a minimum of 1°C (34°F). Rainfall averages 84 mm (3.3 in) over approximately 13 days, contributing to the region's lush greenery, while humidity levels hover around a significant 79%, adding a refreshing touch to the air. This combination of temperatures and precipitation creates a dynamic atmosphere, making May a captivating time to explore Karlsruhe.

May Temperature in Karlsruhe

In May, Karlsruhe, Germany embraces the full bloom of spring with a noticeable rise in temperatures. The month begins with minimums around 1°C (34°F), but as the days progress, daytime highs can soar to a delightful 31°C (88°F), making it one of the warmest months of the year. With an average temperature hovering around 14°C (58°F), May transitions smoothly from the coolness of April to the heat of summer. This upward trend not only invites residents and tourists alike to enjoy outdoor activities but also sets the stage for the vibrant summer ahead. The striking contrast from the previous winter months underscores the joyous embrace of warmth and sunshine in Karlsruhe during this enchanting time of year.

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

The chart illustrates May temperature patterns in Karlsruhe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374045515868696961544339
Data source: Temperature data for Karlsruhe 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 Karlsruhe

May in Karlsruhe experiences a noticeable uptick in precipitation, with 84 mm (3.3 in) of rain recorded over 13 days. This increase follows the relatively dry April, which sees just 36 mm (1.4 in), marking a transition into the wetter spring season. The consistency in rainfall continues into June, although May stands out as one of the wetter months in the first half of the year. Overall, the shift from the drier spring months to a more humid May hints at a vibrant transformation in the landscape, as nature bursts back to life with lush greenery and blooming flowers following each refreshing downpour.

May Precipitation Trends in Karlsruhe

The chart displays monthly precipitation patterns in Karlsruhe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7568763684796760486853108
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Karlsruhe

May in Karlsruhe, Germany, marks a noticeable shift in humidity levels, with an average of 79%, the lowest of the year. This decline from the earlier months reflects the gradual warming and transitional nature of spring into summer. As the chill of winter recedes, the air becomes increasingly comfortable, making May an inviting time for outdoor activities. However, this drop doesn’t last long, as humidity begins to rise again in June, signaling the onset of the more humid summer months ahead. Overall, May serves as a refreshing interlude before the warmer, more humid weather takes hold, providing a brief respite in Karlsruhe’s climatic rhythm.

May Average Humidity in Karlsruhe

This chart illustrates the average monthly humidity levels in Karlsruhe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Karlsruhe

As spring transitions into summer, May in Karlsruhe, Germany, brings a significant increase in UV radiation, with the UV Index soaring to 8, classified as very high. This marks a sharp rise from earlier months, reflecting a growing intensity of sunlight as the year progresses. With a burn time of just 15 minutes, it's crucial for residents and visitors alike to take proactive sun safety measures. The trend indicates that exposure categories escalate rapidly as warmer days approach, reminding us to stay vigilant against UV damage. For more detailed information on sun safety and UV levels throughout the year, visit Karlsruhe UV Index.

Maximum UV Index Levels in Karlsruhe for May

The chart shows the monthly maximum UV Index (UVI) for Karlsruhe 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.
JanFebMarAprMayJunJulAugSepOctNovDec234688876421
Data source: Karlsruhe 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 Karlsruhe

May in Karlsruhe, Germany, heralds the approach of summer with its radiant sunshine, boasting an impressive 390 hours of sunlight. This month enjoys a significant upswing from the 348 hours recorded in April, reflecting a beautiful transition towards the longest days of the year. As spring fades, May stands out as a vibrant prelude to even sunnier months, such as June and July, which capture the peak of sunlight at 395 hours and 415 hours, respectively. The trend reveals a progressive increase in daylight hours that elevates the mood and invites locals to bask in the warmth, making Karlsruhe a delightful destination for outdoor activities and social gatherings during this blossoming period.

Monthly Sunshine Duration in Karlsruhe: May Highlighted

The May sunshine duration represents the total number of hours Karlsruhe 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.
JanFebMarAprMayJunJulAugSepOctNovDec127h206h280h348h390h395h415h384h322h263h191h144h
Data source: Karlsruhe May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Karlsruhe During May

In Karlsruhe, Germany, May presents a 32% chance of sunny weather, which marks a noticeable shift compared to the earlier months of the year. Starting from a mere 12% in January, the likelihood of sunshine gradually climbs, peaking at 49% in April. However, as the spring season transitions into early summer, May's sunny prospects dip slightly, aligning closely with June's chance of 33%. This pattern reflects a typical trend where the post-spring cools often lead to fluctuating weather conditions, making May a transitional month where sunny days are desired yet not guaranteed. Overall, while May showcases improvements from the winter months, it still holds a hint of unpredictability.

Percentage of Sunny Days in May in Karlsruhe

The chart illustrates the percentage of sunny days in Karlsruhe 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 Karlsruhe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%40%45%49%32%33%39%33%47%35%25%18%
Data source: Karlsruhe May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Karlsruhe in May

As spring unfolds in Karlsruhe, Germany, the amount of daylight gradually increases, peaking in the summer months. January starts with a modest 8 hours of daylight, but as we move into February, this number climbs to 10 hours, signaling the transition from winter's grasp. The progression continues through March and April, where longer days invigorate the landscape, reaching 11 and 13 hours, respectively. By May, residents can revel in 15 hours of daylight as the days grow longer and sunnier, paving the way for the summer peak of 16 hours in June. Following this apex, daylight hours gradually decrease again, with July offering 15 hours, and August slightly less at 14 hours. As autumn approaches, daylight diminishes to 12 hours in September and continues to wane through the fall, ending the year once again at 8 hours in December. This natural ebb and flow not only marks the changing seasons but also influences the daily rhythms and activities of those who call Karlsruhe home.

Average Daylight Hours in Karlsruhe for May

The chart illustrates the variation in daylight duration in Karlsruhe throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 43m10h 9m11h 55m13h 44m15h 19m16h 7m15h 41m14h 17m12h 32m10h 44m9h 7m8h 16m
Data source: Karlsruhe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Karlsruhe

In May, Karlsruhe enjoys a noticeable increase in average wind speed, reaching 3.7 m/s (8 mph), which is a refreshing change compared to the calmer conditions of April at 2.7 m/s (6 mph). This uptick signifies the transition into late spring, where gentle breezes invigorate the city, making outdoor activities even more enjoyable. Interestingly, May's wind speeds sit among the higher averages for the year, trailing only behind January's 3.5 m/s (8 mph). As summer approaches, the winds begin to taper off, with June and July seeing a dip to 2.1 m/s (5 mph) and 2.4 m/s (5 mph), respectively, hinting at a seasonal trend towards quieter breezes in the warmer months. Overall, May's winds not only provide a refreshing burst but also mark the peak of the spring season's breezy charm in Karlsruhe.

Average May Wind Speed in Karlsruhe

The chart displays monthly wind speed patterns in Karlsruhe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.03.02.73.7 m/s2.12.42.62.12.62.63.1
Data source: Karlsruhe May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Karlsruhe Compares to Other Months

The weather in Karlsruhe 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 Karlsruhe and find detailed weather information for every month.

In May, the weather becomes notably warmer with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 31°C (88°F), resulting in an average of 14°C (58°F). The month experiences about 84 mm (3.3 in) of precipitation over approximately 13 days, accompanied by a humidity level of 79%. In contrast, January is much colder, with temperatures ranging from -12°C (10°F) to 14°C (57°F) and an average of just 3°C (37°F). With around 75 mm (2.9 in) of precipitation over 12 days, January also has a higher humidity level of 91%. For more specific details about the weather in January, you can check Karlsruhe weather in January.

May and February present stark contrasts in weather conditions. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 31°C (88°F), with an average of 14°C (58°F), while February experiences much cooler temperatures, with a minimum of -12°C (10°F) and a maximum of 20°C (69°F), averaging at just 5°C (40°F). Additionally, May sees a higher level of precipitation at 84 mm (3.3 in) over 13 days, compared to February's 68 mm (2.7 in) over 11 days. Humidity is also notably different; May has a humidity of 79%, whereas February is slightly higher at 89%. For a closer look at February weather specifics, you can visit Karlsruhe weather in February.

May typically brings milder temperatures compared to March, with average highs reaching 14°C (58°F) and peaking at 31°C (88°F), whereas March's average high is only 7°C (45°F) with a maximum of 23°C (73°F). Additionally, May experiences slightly more precipitation, totaling 84 mm (3.3 in) over 13 days, compared to March's 76 mm (3.0 in) over 14 days. Humidity levels are also fairly high in both months, with May at 79% and March slightly higher at 87%. For more detailed insights into March weather, you can visit Karlsruhe weather in March.

In comparing the weather between April and May, we see a notable increase in temperatures. April experiences a minimum of -3°C (27°F) and an average of 11°C (52°F), while May sees its temperatures rise, with a minimum of 1°C (34°F) and an average of 14°C (58°F). Additionally, May can reach maximum temperatures of 31°C (88°F), compared to April's maximum of 28°C (82°F). However, May also brings more precipitation, totaling 84 mm (3.3 in) over 13 days, whereas April records only 36 mm (1.4 in) over 8 days. Humidity remains relatively high in both months, with April at 83% and May slightly lower at 79%. For a more detailed look at April weather, visit Karlsruhe weather in April.

May and June both present noticeable shifts in weather patterns. May experiences a broader temperature range, with minimums dipping to 1°C (34°F) and maximums reaching up to 31°C (88°F), while June shows a more consistent warmth, starting from a higher minimum of 8°C (47°F) and peaking at 36°C (96°F). Precipitation levels are similar, with May recording 84 mm (3.3 in) over 13 days, and June slightly lower at 79 mm (3.1 in) across 11 days. Additionally, June has a marginally higher humidity level at 82% compared to May's 79%. For more details on June weather specifically, visit Karlsruhe weather in June.

May and July present distinct weather profiles, highlighting the transition from spring to summer. In May, temperatures range from a cool 1°C (34°F) to a warm 31°C (88°F), with an average of 14°C (58°F). The month experiences considerable precipitation of 84 mm (3.3 in) over 13 days, accompanied by high humidity levels of 79%. In contrast, July boasts milder low temperatures, starting at 10°C (50°F), and peaks at a much warmer 38°C (101°F) with an average temperature of 21°C (70°F). Though July has slightly less precipitation at 67 mm (2.6 in) over 12 days, the humidity is just a tad higher at 83%. For more details on July's weather, you can check out Karlsruhe weather in July.

May and August exhibit distinct weather characteristics that reflect the transition from spring to summer. In May, temperatures range from a chilly minimum of 1°C (34°F) to a warm maximum of 31°C (88°F), with an average of 14°C (58°F). The month sees considerable rainfall, totaling 84 mm (3.3 in) over 13 days, and humidity levels hover around 79%. In contrast, August presents a milder climate, with minimum temperatures of 8°C (47°F) and maximums reaching 35°C (95°F), averaging at 21°C (69°F). While precipitation is less in August at 60 mm (2.4 in) over 12 days, humidity rises slightly to 84%. For more details about the weather specifics in August, visit Karlsruhe weather in August.

May and September present distinct weather patterns. In May, temperatures range from a chilly 1°C (34°F) at minimum to a warm 31°C (88°F) at maximum, with an average of 14°C (58°F). The month sees considerable rainfall, with 84 mm (3.3 in) over 13 days and humidity levels around 79%. In contrast, September offers slightly milder conditions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 32°C (90°F), averaging 16°C (62°F). Precipitation is significantly lower at 48 mm (1.9 in) over just 8 days, alongside a slight increase in humidity to 85%. For a detailed look at the weather specifics in September, visit Karlsruhe weather in September.

May and October present distinct weather patterns, highlighting the transition from spring to autumn. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 31°C (88°F), with an average of 14°C (58°F), creating a warm and sometimes humid environment, with precipitation measuring 84 mm (3.3 in) over approximately 13 days. In contrast, October features slightly cooler temperatures, with a minimum of 2°C (36°F), an average of 12°C (54°F), and a maximum of 27°C (80°F). Precipitation decreases to 68 mm (2.7 in) across the same number of days, but the humidity rises to 88%, contributing to a crisp, autumnal feel. For more detailed information about weather conditions in October, visit Karlsruhe weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a cool 1°C (34°F) to a warm 31°C (88°F), averaging around 14°C (58°F). This month experiences higher precipitation, with about 84 mm (3.3 in) over approximately 13 days, contributing to a humidity level of 79%. In contrast, November's temperatures are significantly cooler, with a minimum of -2°C (29°F) and a maximum of 22°C (72°F), averaging only 6°C (44°F). The month sees less precipitation, totaling 53 mm (2.1 in) over 10 days, accompanied by a slightly higher humidity at 89%. For more insights on November weather, check out Karlsruhe weather in November.

In May, temperatures typically range from a minimum of 1°C (34°F) to a maximum of 31°C (88°F), with an average temperature of 14°C (58°F). This month experiences relatively moderate precipitation of 84 mm (3.3 in) across about 13 days, accompanied by a humidity level of 79%. Conversely, December is marked by colder temperatures, with a minimum of -5°C (24°F) and a maximum of 14°C (58°F), along with an average of 4°C (40°F). While December receives more precipitation at 108 mm (4.2 in) over 18 days, the humidity is higher at 91%. For more details on December's weather, visit Karlsruhe weather in December.

Compare Karlsruhe's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Karlsruhe

As spring unfolds in Karlsruhe, May brings a delightful transition from the cooler, more unpredictable weather of earlier months. With temperatures rising to a comfortable average, this month is characterized by warmer days that invite outdoor activities, juxtaposed with cooler nights that remind us of the lingering chill of early spring. However, just when you think the rain is behind, May tends to be a bit wetter, with frequent showers adding to the month's charm. The humidity levels also heighten, creating a slightly muggy atmosphere that distinguishes May from the crispness of April. To truly grasp the essence of May weather in Karlsruhe, consider exploring more detailed insights at Karlsruhe Climate.