May Weather in Bad Honnef, Germany

Last updated: February 26, 2025

May in Bad Honnef, Germany offers a delightful mix of weather patterns, showcasing a maximum temperature reaching an impressive 33°C (91°F). This month's average temperature hovers around a pleasant 14°C (57°F), while the cool nights can dip to a minimum of 0°C (33°F). Rainfall is also a common companion, with 73 mm (2.9 in) of precipitation across 13 days, contributing to a relatively high humidity level of 77%. Whether you're exploring vibrant blooms or enjoying outdoor activities, May's weather in Bad Honnef provides a captivating blend of warmth and refreshing showers.

May Temperature in Bad Honnef

In May, Bad Honnef experiences a delightful transition into warmer weather, with temperatures showing a noticeable rise compared to the earlier months. The month starts off with a minimum of 0°C (33°F), allowing for a refreshing chill, but quickly warms up to an average of 14°C (57°F), culminating in a striking maximum of 33°C (91°F). This significant increase reflects May's role as a bridge into the summer season, where the city begins to shed its winter coat. As the landscape flourishes in lush greenery and vibrant blooms, outdoor enthusiasts and sun-seekers alike can enjoy this beautiful time of year, marked by longer days and an inviting atmosphere. With trends pointing towards warmer averages, May sets the stage for a delightful summer ahead in Bad Honnef.

May Weather in Bad Honnef: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Bad Honnef, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374044505766676760534440
Data source: Temperature data for Bad Honnef generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Bad Honnef

In May, Bad Honnef experiences a moderate precipitation level of 73 mm (2.9 in), spread over 13 days of rain. This marks a slight increase from the drier conditions of April, which had only 39 mm but also highlights a notable difference compared to the heavier rains of March at 85 mm. As spring progresses, May's rainfall serves as a gentle reminder of the transition towards the wetter summer months, as evidenced by the spike in July's rainfall to 91 mm. While May’s precipitation is neither the driest nor the wettest month, it plays a crucial role in nourishing the blossoming flora and setting the stage for the lush greenery that characterizes the region. Overall, the precipitation trends suggest a steady rhythm of rainfall, preparing the landscape for the vibrant summer ahead.

May Precipitation Trends in Bad Honnef

The chart displays monthly precipitation patterns in Bad Honnef, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8379853973679182618059118
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bad Honnef

In May, Bad Honnef experiences a noticeable decline in humidity, dropping to 77% from the higher levels of previous months. This reduction marks a pivotal shift as the town transitions from the damp chill of early spring to the warmer embrace of summer. As the humidity steadily decreases through June and July, it creates a more comfortable atmosphere for outdoor activities and exploration. However, the pleasant May climate, with its moderate humidity, is a stark contrast to the 91% humidity seen in January, reflecting a gradual yet consistent trend towards drier conditions as the year progresses. This seasonal evolution not only enhances the charm of Bad Honnef but also invites residents and visitors alike to enjoy the beauty of spring.

May Average Humidity in Bad Honnef

This chart illustrates the average monthly humidity levels in Bad Honnef, 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%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bad Honnef

As spring progresses into May in Bad Honnef, the UV Index surges to 7, categorizing the exposure level as high. This shift marks a noticeable increase in sun intensity compared to the moderate levels of previous months, with a reduced burn time of just 25 minutes. It's a clear signal for outdoor enthusiasts to take precautions, as this trend reflects a steady climb towards the peak UV levels seen in the summer months. Following May, the UV Index only escalates, reaching 8 in June and July, reinforcing the need for vigilant sun protection. To stay informed about UV levels throughout the year, check out Bad Honnef UV Index.

Maximum UV Index Levels in Bad Honnef for May

The chart shows the monthly maximum UV Index (UVI) for Bad Honnef 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Bad Honnef 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 Bad Honnef

In May, the charming town of Bad Honnef, Germany, basks in an impressive 389 hours of sunshine, marking the peak of a delightful trend leading into summer. After a gradual increase from January's modest 106 hours, each month brings more solar joy, with April already showcasing a delightful 341 hours. This upward trajectory not only elevates spirits but also transforms the landscape, setting the stage for the peak summer months of June and July. As the sunshine in May intertwines with blooming flowers, residents and visitors alike relish the extended daylight, making it a perfect time to explore this picturesque town under the warm sun.

Monthly Sunshine Duration in Bad Honnef: May Highlighted

The May sunshine duration represents the total number of hours Bad Honnef 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.
JanFebMarAprMayJunJulAugSepOctNovDec106h199h263h341h389h392h409h380h314h230h173h117h
Data source: Bad Honnef May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bad Honnef During May

As spring transitions into summer, May in Bad Honnef, Germany, offers a delicate balance of sunshine, with a 30% chance for clear skies. While this figure shows a decline from the warmth of March's 42%, it's not unusual for the month, aligning more closely with April's 39%. This slight dip may be influenced by the unpredictable nature of early seasonal weather, teasing a gradual increase as the year progresses. Although May might not boast the sunniest conditions compared to the summer months, it maintains a respectable opportunity for residents and visitors alike to bask in the mild, blossoming atmosphere of late spring. With trends indicating a rising chance for clarity as summer nears, May remains a delightful canvas of potential sunshine amid the emerging greenery.

Percentage of Sunny Days in May in Bad Honnef

The chart illustrates the percentage of sunny days in Bad Honnef 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 Bad Honnef experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%32%42%40%30%30%31%32%38%28%22%13%
Data source: Bad Honnef May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bad Honnef in May

As spring transitions into a vibrant summer in Bad Honnef, Germany, the daylight duration undergoes a remarkable transformation. Starting January with a modest 8 hours of daylight, the days steadily grow longer, with February introducing 10 hours and March adding another hour. By April, daylight reaches 13 hours, hinting at the approaching warmth of May, which boasts an inviting 15 hours. This upward trend peaks in June at a splendid 16 hours, before slightly tapering off in July and August. As autumn sets in, the daylight begins to diminish again, with September offering 12 hours, and both October and November returning to 10 and 8 hours respectively. This cyclical pattern not only illuminates the changing seasons but also enhances the natural beauty and outdoor opportunities throughout the year.

Average Daylight Hours in Bad Honnef for May

The chart illustrates the variation in daylight duration in Bad Honnef throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 31m10h 2m11h 55m13h 50m15h 30m16h 23m15h 55m14h 25m12h 34m10h 39m8h 56m8h 2m
Data source: Bad Honnef daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Bad Honnef

In Bad Honnef, Germany, May brings a refreshing shift in wind patterns, with an average wind speed of 3.4 m/s (8 mph). This gentle breeze is a pleasant contrast to the preceding months, where April recorded a slightly lower average of 2.9 m/s (7 mph). As spring settles in, May's wind speed aligns closely with the seasonal norms seen in January and October, both featuring crisper winds at 3.5 m/s (8 mph). Notably, the transition from spring to summer often leads to calmer winds in June and July, dipping to 2.4 m/s (5 mph) and 2.5 m/s (6 mph), marking a brief lull before the return to more invigorating breezes in the fall. Thus, May stands out as a month where wind activity begins to pick up, inviting outdoor enthusiasts to enjoy the mild temperatures and delightful conditions.

Average May Wind Speed in Bad Honnef

The chart displays monthly wind speed patterns in Bad Honnef, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.73.32.93.4 m/s2.42.52.82.23.52.63.3
Data source: Bad Honnef May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Bad Honnef Compares to Other Months

The weather in Bad Honnef 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 Bad Honnef and find detailed weather information for every month.

May and January present stark contrasts in weather. In May, temperatures range from a chilly 0°C (33°F) at night to a warm 33°C (91°F) during the day, averaging around 14°C (57°F). The month sees about 73 mm of precipitation, falling over approximately 13 days, with humidity at a moderate 77%. In contrast, January features much colder conditions, with temperatures dipping to a minimum of -8°C (17°F) and peaking at a maximum of 14°C (57°F), averaging only 3°C (38°F). It experiences slightly higher precipitation at 83 mm over 14 days and has elevated humidity levels at 91%. For more details, check Bad Honnef weather in January.

May typically exhibits a more varied temperature range, with minimums around 0°C (33°F) and maximums soaring up to 33°C (91°F), contributing to an average of 14°C (57°F). In contrast, February presents a chillier climate, where temperatures can drop to as low as -11°C (13°F) and peak at 20°C (68°F), with an average standing at 4°C (40°F). Both months experience substantial precipitation, with May receiving about 73 mm (2.9 in) across 13 days and February slightly surpassing that with 79 mm (3.1 in) over 12 days. Additionally, February's higher humidity level of 90% compared to May's 77% contributes to a damp and chilly feel to the winter month. For more details about February weather in Bad Honnef, check out Bad Honnef weather in February.

When comparing the weather in May and March, May tends to be significantly warmer, with an average temperature of 14°C (57°F) compared to March's average of 7°C (44°F). March experiences much colder nights, with minimum temperatures dropping to -10°C (14°F), while May's lowest temperature hovers around 0°C (33°F). Precipitation is slightly higher in March at 85 mm (3.3 in) over approximately 16 days, compared to May's 73 mm (2.9 in) over 13 days. Both months have high humidity levels, but March is a touch more humid at 87%, compared to May's 77%. For a more detailed look at March weather, visit Bad Honnef weather in March.

May generally experiences warmer temperatures compared to April, with average highs reaching 33°C (91°F) versus April's maximum of 27°C (80°F). Although May has a higher average temperature, it also sees a significant increase in precipitation, totaling 73 mm (2.9 in) over 13 days, compared to April’s 39 mm (1.5 in) over 9 days. Humidity remains relatively high in both months, with May at 77% and April slightly higher at 84%. For a more detailed look at how conditions vary, check out Bad Honnef weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of 0°C (33°F) to a warm maximum of 33°C (91°F), with an average of 14°C (57°F). The month experiences around 73 mm (2.9 in) of precipitation over 13 days, contributing to a relatively high humidity of 77%. In contrast, June transitions to milder temperatures, with a minimum of 8°C (46°F), an average of 19°C (66°F), and a peak of 35°C (95°F). Precipitation decreases slightly to 67 mm (2.6 in) over 11 days, coupled with a lower humidity of 74%. For a detailed overview of June's weather, you can check Bad Honnef weather in June.

In May, temperatures range from a chilly 0°C (33°F) to a warm 33°C (91°F), with an average of 14°C (57°F). The month experiences about 73 mm (2.9 in) of precipitation over 13 days, resulting in a humidity level of 77%. In contrast, July offers a milder start with minimum temperatures of 8°C (47°F) and reaching highs of 40°C (104°F), averaging around 19°C (67°F). Although July sees slightly more precipitation at 91 mm (3.6 in) over 11 days, the humidity drops to 72%. This seasonal shift indicates that while May can bring cooler weather and more rain, July tends to be warmer with occasional heavy downpours. For more details, check out Bad Honnef weather in July.

May and August present contrasting weather patterns. In May, temperatures range from a chilly minimum of 0°C (33°F) to a warm maximum of 33°C (91°F), with an average temperature of 14°C (57°F). The month experiences considerable rainfall, totaling 73 mm (2.9 in) over about 13 days, accompanied by high humidity at 77%. In contrast, August sees a warmer temperature spectrum, with minimums of 7°C (45°F) and maximums reaching up to 36°C (97°F), averaging 19°C (67°F). While precipitation increases slightly to 82 mm (3.2 in) over 15 days, humidity is lower at 71%. For a closer look at the summer weather nuances, check out Bad Honnef weather in August.

In comparing the weather of May and September, both months exhibit a range of temperatures with maximums reaching similar highs of 33°C (91°F) in May and 33°C (92°F) in September. However, May tends to have a broader average temperature range, with minimums dropping to 0°C (33°F) compared to September’s minimum of 2°C (36°F). Precipitation is slightly higher in May at 73 mm (2.9 in) over 13 days, while September experiences less, with 61 mm (2.4 in) over 10 days. The humidity levels are relatively high in both months, with September being slightly more humid at 81% compared to May's 77%. For more details on September weather conditions, you can check Bad Honnef weather in September.

May and October exhibit notable differences in weather patterns. In May, temperatures range from a cool minimum of 0°C (33°F) to a warm maximum of 33°C (91°F), with an average of 14°C (57°F). The month sees approximately 73 mm (2.9 in) of precipitation over 13 days and maintains a humidity level of 77%. In contrast, October experiences slightly milder temperatures, with a minimum of 1°C (34°F), an average of 12°C (53°F), and a maximum of 26°C (79°F). Precipitation increases slightly to 80 mm (3.2 in), occurring over 14 days, accompanied by higher humidity levels at 88%. For more detailed insights, you can check Bad Honnef weather in October.

May and November present contrasting weather conditions. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 33°C (91°F), with a pleasant average of 14°C (57°F). The month experiences a moderate amount of precipitation at 73 mm (2.9 in) over 13 days, accompanied by a humidity level of 77%. In stark contrast, November sees much cooler temperatures, with a minimum of -4°C (25°F), an average of 7°C (44°F), and a maximum of 20°C (68°F). Precipitation decreases slightly to 59 mm (2.3 in) over the same number of days, but humidity rises to 91%, making it feel even chillier. For more details on November weather, you can check Bad Honnef weather in November.

In May, the weather is generally warmer, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 33°C (91°F) and an average of 14°C (57°F). The month experiences relatively lower precipitation levels of 73 mm (2.9 in) over 13 days and a humidity of 77%. In contrast, December brings much cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 15°C (59°F), averaging around 5°C (41°F). This month is wetter as well, with 118 mm (4.7 in) of precipitation spread over 20 days and a higher humidity of 92%. For more information, you can visit Bad Honnef weather in December.

Compare Bad Honnef's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Bad Honnef

As May arrives in Bad Honnef, the weather begins to shift dramatically compared to the lingering chill of earlier months. With temperatures soaring as high as 33°C (91°F) and an average of 14°C (57°F), residents and visitors alike start to enjoy a taste of summer. However, May also brings its fair share of rain, with around 73 mm (2.9 in) of precipitation spread over approximately 13 days, creating a perfect balance of warmth and moisture. The humidity hovers around a comfortable 77%, making it a unique time to experience the lush landscape in full bloom. To learn more about the weather patterns and monthly averages, visit Bad Honnef Climate.