June Weather in Koeln, Germany

Last updated: February 26, 2025

June in Köln, Germany offers a vibrant mix of weather experiences, showcasing a maximum temperature of 35°C (95°F), inviting outdoor activities amid the warm sunshine. With an average temperature of 19°C (67°F), most days are pleasantly mild, while cooler nights can dip to a refreshing 8°C (46°F). Despite the heat, the month also sees 60 mm (2.4 in) of rainfall spread over 10 days, bringing a hint of humidity at 74%. This dynamic climate allows residents and visitors alike to enjoy the lively atmosphere of the city during the early summer, making it a perfect time to explore Köln's rich cultural offerings.

June Temperature in Koeln

In June, Köln, Germany, truly comes alive as the temperatures begin to warm, marking a vibrant transition into summer. The month greets visitors with a minimum of 8°C (46°F) and an average of 19°C (67°F), comfortably inviting outdoor activities and city explorations. The days can get quite warm, with maximum temperatures reaching up to 35°C (95°F), showcasing a delightful range for both sun-seekers and those who prefer milder conditions. This month stands out as a culmination of the preceding spring warmth, paving the way for July's hotter peaks, making June a perfect time to enjoy the lively terraces and parks of Köln while soaking in the delightful ambiance of early summer.

June Weather in Koeln: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Koeln, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec384145505766676760544541
Data source: Temperature data for Koeln 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.

June Precipitation in Koeln

In June, Koeln experiences a moderate level of precipitation, with 60 mm (2.4 in) of rainfall spread over 10 days. This marks a slight decrease from May's 66 mm (2.6 in), reflecting a pattern where spring months typically witness more rainfall as nature transitions toward summer. As the city moves into the warmer months, June's precipitation is considerably less than the July peak of 97 mm (3.8 in), suggesting that while summer showers are common, they become more sporadic. The data highlights a gradual increase in rainfall from the drier April, indicating the cyclical nature of weather patterns in Koeln.

June Precipitation Trends in Koeln

The chart displays monthly precipitation patterns in Koeln, with values for each month alongside June's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec9186913866609778659767127
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Koeln

In June, Koeln experiences a noticeable dip in humidity, averaging around 74%, which is the lowest point of the year. This decline from the higher levels of 91% in January and 90% in February marks the beginning of a gradual decrease that continues through the summer months. While May still holds a relatively high humidity at 77%, June's comfortable levels often invite residents and visitors to enjoy the warm weather outdoors. As the year progresses towards autumn, humidity begins to rise again, peaking in the late fall and winter months, with November and December showcasing a significant increase back to 91% and 92% respectively. This cyclical trend encapsulates the seasonal rhythm of Koeln's climate, offering a refreshing respite in June before the inevitable return of the heavier, more humid air later in the year.

June Average Humidity in Koeln

This chart illustrates the average monthly humidity levels in Koeln, with June's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how June's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Koeln

In June, Koeln, Germany, experiences a dramatic surge in UV levels, reaching an Index of 8, categorized as very high. This sharp increase from the moderate levels seen in earlier months signifies that residents and visitors should exercise greater caution when enjoying outdoor activities. With a reduced burn time of just 15 minutes, it becomes crucial to prioritize sun safety measures such as wearing sunscreen, protective clothing, and seeking shade during the peak hours. Following June, UV levels remain intense into July, before gradually reducing in August. For more detailed information on UV trends throughout the year, visit Koeln UV Index.

Maximum UV Index Levels in Koeln for June

The chart shows the monthly maximum UV Index (UVI) for Koeln in June, 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: Koeln June 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.

June Sunshine in Koeln

In Koeln, Germany, June shines brightly as one of the peak months for sunshine, boasting an impressive 383 hours of sunlight. Following the spring's gradual rise, where April and May both exceeded 300 hours, June continues the trend of increasing daylight, albeit with slightly fewer hours than July's 405 hours, the sunniest month of the year. This month's warm, vibrant days provide a perfect backdrop for outdoor activities, contrasting starkly with the bleak winter months like January, which only sees 113 hours of sun. As summer unfolds, the abundance of sunshine in June not only revitalizes the landscape but also uplifts the spirits of residents and visitors alike, setting the stage for the lively summer festivities ahead.

Monthly Sunshine Duration in Koeln: June Highlighted

The June sunshine duration represents the total number of hours Koeln experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec113h202h267h336h387h383h405h377h313h232h183h129h
Data source: Koeln June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Koeln During June

In Koeln, Germany, the month of June offers a 31% chance of sunny weather, reflecting a slight increase compared to the cooler months. As spring transitions to summer, this percentage aligns closely with the sunlit prospects of July and remains consistent with May. Interestingly, despite expecting more sunshine, June does not quite reach the heights of March, which boasts a 41% chance of sun. This trend indicates that, while June's weather is promising, it’s essential to temper expectations, especially as Koeln's weather can be notoriously unpredictable. Nonetheless, as summer approaches, the hopeful glimmers of sunshine are certainly more frequent than in the earlier months of the year, making June a delightful time for outdoor activities in the city.

Percentage of Sunny Days in June in Koeln

The chart illustrates the percentage of sunny days in Koeln throughout the year, with June 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 Koeln experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%32%41%38%29%31%31%33%36%28%23%13%
Data source: Koeln June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Koeln in June

As the summer months approach, Koeln, Germany experiences a remarkable increase in daylight duration, peaking at 16 hours in June. This month sees a vibrant shift from the earlier months of the year, where January holds just 8 hours of sunlight. The gradual lengthening starts in February with 10 hours, building to 15 hours by May as residents eagerly anticipate the sunny days ahead. The trend of increasing daylight not only enhances outdoor activities but also contributes to a more energetic atmosphere in the city. As July arrives, daylight begins to taper off slightly at 15 hours, signaling the transition into the latter part of the summer, yet it remains a time of enjoyment and vibrant life in Koeln.

Average Daylight Hours in Koeln for June

The chart illustrates the variation in daylight duration in Koeln throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 27m10h11h 55m13h 52m15h 34m16h 27m15h 59m14h 27m12h 34m10h 38m8h 53m7h 58m
Data source: Koeln daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Koeln

In Koeln, Germany, the weather in June is marked by a gentle breeze, with an average wind speed of 2.5 m/s (approximately 6 mph). This is notably the calmest month in the yearly cycle, as the wind speeds show a gradual decline from the more robust spring months. Compared to the 3.1 m/s noted in April and 3.6 m/s in May, June's softer winds herald the arrival of summer, creating a serene atmosphere perfect for outdoor activities. As the summer progresses into July and August, wind speeds see a slight uptick, suggesting a shift towards more dynamic weather patterns. Overall, this trend indicates a seasonal ease in wind intensity as Koeln welcomes the warmth of summer.

Average June Wind Speed in Koeln

The chart displays monthly wind speed patterns in Koeln, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.93.53.13.62.5 m/s2.73.02.43.82.83.5
Data source: Koeln June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Koeln Compares to Other Months

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

In June, the weather is generally warm and pleasant, with average temperatures reaching 19°C (67°F) and highs soaring up to 35°C (95°F). Despite the relatively low precipitation of 60 mm (2.4 in) over about 10 days, humidity remains quite high at 74%. In contrast, January is much colder, with temperatures averaging just 3°C (38°F) and dipping as low as -8°C (17°F). Precipitation in January is higher at 91 mm (3.6 in) spread over approximately 15 days, alongside a notable humidity level of 91%. For more detailed information, check out Koeln weather in January.

When comparing the weather in June and February, there are notable differences in temperature and precipitation. June typically experiences milder temperatures, ranging from a minimum of 8°C (46°F) to a maximum of 35°C (95°F), with an average of 19°C (67°F). In contrast, February sees much colder temperatures, with a minimum of -9°C (16°F) and a maximum of 20°C (68°F), averaging only 5°C (41°F).

Precipitation is also higher in February, with 86 mm (3.4 in) over 13 days, compared to June's 60 mm (2.4 in) over 10 days. Additionally, humidity levels are higher in February at 90%, compared to 74% in June. For more detailed information, you can visit Koeln weather in February.

In comparing the weather of June and March, we see a significant shift in temperature and conditions. June boasts a much warmer climate with average temperatures around 19°C (67°F), peaking at a sweltering 35°C (95°F), while March is much cooler, with an average of only 7°C (45°F) and a maximum of 22°C (72°F). Despite June being the warmer month, it has lower rainfall at 60 mm (2.4 in) compared to March’s 91 mm (3.6 in), although June experiences fewer rainy days, with precipitation over 10 days versus March's 15 days. Humidity levels are also notable, reaching 74% in June and 87% in March, contributing to a more muggy feel during the latter month. For more insights into March weather specifics, you can check Koeln weather in March.

When comparing the weather in April and June, there's a notable difference in temperatures and humidity levels. June boasts a much warmer climate, with average temperatures ranging from a chilly 8°C (46°F) to a scorching 35°C (95°F), while April's temperatures are more modest, peaking at 27°C (81°F) with a minimum of -3°C (26°F). In terms of precipitation, June experiences slightly more rainfall, with 60 mm over about 10 days compared to April's 38 mm over 9 days. Humidity is also higher in April at 84%, contrasting with June's 74%. For more specific insights about April weather, you can check this link: Koeln weather in April.

In comparing the weather of May and June, it's evident that June experiences warmer temperatures overall, with a minimum of 8°C (46°F) and an average of 19°C (67°F), compared to May's minimum of 0°C (33°F) and average of 14°C (57°F). While both months have similar maximum temperatures, with June reaching up to 35°C (95°F) and May peaking at 33°C (91°F), June sees slightly less precipitation, totaling 60 mm (2.4 in) over about 10 days, compared to 66 mm (2.6 in) over 13 days in May. Additionally, June's humidity is slightly lower at 74%, compared to May's 77%. For more detailed information, you can check the Koeln weather in May.

When comparing the weather in June and July, we see some notable differences. June features a comfortable average temperature of 19°C (67°F), with a maximum reaching 35°C (95°F), alongside a humidity level of 74%. The month experiences approximately 60 mm (2.4 in) of precipitation over about 10 days. In contrast, July shows a slight increase in average temperature to 20°C (68°F), with extreme highs soaring to 40°C (104°F). However, it also comes with increased rainfall, totaling 97 mm (3.8 in) over around 12 days and a humidity level that dips to 72%. These changes highlight a shift towards hotter and wetter conditions in July. For more detailed information, check out Koeln weather in July.

When comparing the weather in June and August, both months experience relatively warm conditions, but August tends to be slightly warmer on average. In June, temperatures range from a minimum of 8°C (46°F) to a maximum of 35°C (95°F), with an average temperature of 19°C (67°F). Meanwhile, August sees minimum temperatures of 7°C (44°F) and maximums reaching 37°C (99°F), with an average of 20°C (68°F). Precipitation is more frequent in August, with 78 mm (3.1 inches) over 14 days, compared to June's 60 mm (2.4 inches) over just 10 days. Humidity levels are fairly consistent, with June at 74% and August slightly lower at 71%. For more details on August weather, check out Koeln weather in August.

June and September in Cologne exhibit distinct weather patterns. In June, temperatures range from a minimum of 8°C (46°F) to a maximum of 35°C (95°F), with an average of 19°C (67°F). Conversely, September sees cooler conditions, with temperatures ranging from 3°C (37°F) to 34°C (93°F) and an average of 16°C (60°F). Precipitation levels are slightly higher in September, totaling 65 mm (2.5 in) over about 10 days, compared to June’s 60 mm (2.4 in) for the same number of days. Additionally, humidity levels increase from 74% in June to 81% in September. For more details on the September weather, you can visit Koeln weather in September.

In June, the weather is typically warmer and more varied, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 35°C (95°F), averaging around 19°C (67°F). The humidity sits at 74%, and precipitation occurs over about 10 days, totaling 60 mm (2.4 in). In contrast, October presents a cooler climate, where temperatures dip significantly, with a minimum of 1°C (34°F) and an average around 12°C (54°F). The maximum temperature reaches 27°C (80°F), but the overall atmosphere is much wetter and more humid at 88%. Precipitation is more frequent in October, with 97 mm (3.8 in) over about 15 days. For more insights on October weather, visit Koeln weather in October.

June and November present contrasting weather conditions. In June, temperatures typically range from a minimum of 8°C (46°F) to a maximum of 35°C (95°F), with an average of 19°C (67°F), making it a warm month with relatively high humidity at 74%. Precipitation during June is about 60 mm (2.4 in) spread over approximately 10 days.

In stark contrast, November brings cooler temperatures, with a minimum of -4°C (26°F) and a milder maximum of 20°C (68°F), averaging around 7°C (45°F). This month also sees increased humidity at 91% and slightly higher precipitation of 67 mm (2.6 in) over 13 days. For a detailed look at the weather in November, you can check Koeln weather in November.

The weather in June and December presents a striking contrast. June enjoys mild to warm temperatures, ranging from a minimum of 8°C (46°F) to a pleasant average of 19°C (67°F), peaking at 35°C (95°F). It experiences relatively low precipitation of 60 mm (2.4 in) over about 10 days, with humidity at 74%. In sharp contrast, December brings much colder conditions, with temperatures dipping to a minimum of -5°C (24°F) and averaging only 5°C (41°F), reaching a maximum of 15°C (59°F). This month is notably wetter, with 127 mm (5.0 in) of precipitation spread across 20 days, and higher humidity levels at 92%. For more insights on what to expect, check out Koeln weather in December.

Compare Koeln's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Koeln

As June arrives in Köln, the weather begins to take on a more summer-like feel, with temperatures rising significantly compared to the previous months. It's a time when the average temperature hovers around a pleasant 19°C, but occasional peaks can soar up to a sizzling 35°C, creating a vibrant atmosphere perfect for outdoor activities. The humidity level of 74% adds a touch of warmth, making those sunny days feel even more enjoyable. While there are still about 10 days of rain totaling 60 mm, this month often feels like a delightful transition into the summer season, setting the stage for longer, sun-drenched days. For a detailed look at the weather throughout the year, check out the Koeln Climate page.