Last updated: August 27, 2025
June in Leiden, Netherlands brings a delightful blend of warm temperatures and refreshing summer showers. With daily highs reaching a pleasant 29°C (84°F) and an average of 17°C (62°F), the month offers a comfortable climate for outdoor activities. Despite the sunny days, precipitation is a frequent visitor, with 70 mm (2.8 in) of rain falling over 10 days, contributing to the lush greenery of the region. The air carries a notable humidity level of 81%, adding to the vibrant summer atmosphere while keeping the evenings pleasantly cool with lows dipping to 9°C (49°F). Experience June in Leiden, where the warmth of the season meets the charm of the Dutch landscape.
In June, Leiden embraces the warmth of early summer, with temperatures reflecting a delightful shift. The minimum temperature starts at a comfortable 9°C (49°F), while the average climbs to a pleasant 17°C (62°F), offering a welcoming atmosphere for outdoor activities. As the days progress, highs reach up to 29°C (84°F), creating perfect conditions for both exploration and relaxation. This month marks a significant transition from the chilly winter temperatures, evidencing a steady upward trend as Leiden moves toward peak summer warmth, inviting residents and visitors alike to enjoy the lush landscapes and vibrant city life.
In June, Leiden experiences a notable shift in its precipitation dynamics, with 70 mm (2.8 in) of rainfall occurring over approximately 10 days. This amounts to a consistent dampness that sets the stage for the lush growth of summer. Compared to the preceding months, June's rainfall is slightly elevated, falling in line with the gradual increase leading into the more typically wet summer months of August and September. Notably, this month marks a transition from the lighter showers of spring, with May recording 58 mm (2.3 in), highlighting a trend of increasing precipitation as the year progresses. This seasonal uptick contributes to the vibrant greenery that characterizes Leiden during the summer, reminding residents and visitors alike of the region's rich ecosystem fueled by its moderate maritime climate.
In June, Leiden experiences a notable shift in humidity as levels drop to 81%, marking a decrease from the slightly higher figures of 84% in May. This trend signals the onset of summer, where the atmosphere feels less humid, providing a refreshing respite after a winter characterized by humidity levels consistently exceeding 85%. Following June, the humidity continues to decline through July and August, reaching its annual low of 78% in August before beginning to rise again in the fall. This progressive reduction in humidity throughout the early summer months contributes to a more pleasant outdoor experience, making it an ideal time to explore the vibrant streets and serene canals of this charming Dutch city.
In June, Leiden experiences a significant rise in UV Index levels, reaching an impressive 8, which falls into the very high exposure category. This is a stark contrast to the more subdued levels seen in the earlier months of the year, where the UV Index starts at a low 1 in January and gradually increases to moderate levels by April. With a burn time of only 15 minutes in June, it's crucial for residents and visitors to take precautions against sun exposure. This trend continues into July, but the intensity gives way to slightly lower levels in August as the UV Index drops to 7. For further insights on UV patterns and safety measures, check out the comprehensive guide on the Leiden UV Index.
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June in Leiden, Netherlands, brings a delightful surge of sunshine, with 422 hours basking in warm daylight. This month marks the culmination of a steady climb in sunlight hours since January, where residents experienced a meager 117 hours. As spring progressed, April and May showcased a promising increase, with 367 and 419 hours respectively, setting the stage for the summer solstice. The consistent rise from the start of the year to June indicates a vibrant shift towards longer, sun-soaked days, making it an ideal time for outdoor activities and enjoying the beauty of the city. Following June, sunlight remains plentiful, peaking in July at 431 hours, creating a radiant summer atmosphere that Leiden locals eagerly embrace.
As summer approaches, the likelihood of sunny weather in Leiden, Netherlands, shows an encouraging trend. June, with a 40% chance of sunshine, marks a peak in the monthly averages, just slightly below the sunniest month of April at 42%. This increase is notable compared to the earlier spring months of January, February, and even May, which all hover around the 27% to 36% range. Interestingly, after June, the chances of sun begin to taper off again in July and August, suggesting that while June may bring more delightful sunny days, the weather can be a bit unpredictable as summer progresses. Overall, June stands as a sweet spot for those hoping to bask in the sun.
In Leiden, Netherlands, June marks a vibrant peak in daylight duration, basking in approximately 16 hours of sunshine. This extended daylight follows a gradual increase from the sparse 8 hours in January to a robust 15 hours by May, signaling the arrival of summer. As the days stretch longer, the city comes alive with outdoor activities and cultural events, taking full advantage of the sunshine. The trend persists into July, where daylight remains equal, before gently tapering off into the autumn months. This transition showcases how Leiden shifts from the vibrant energy of long summer days back towards the cozy, shorter daylight of winter, creating a rhythmic cycle of light and life throughout the year.
In June, Leiden enjoys a gentle breeze, with the average wind speed dropping to 4.0 m/s (9 mph)—the lowest of the year. This tranquil wind pattern sets the stage for lovely summer days, inviting residents and visitors alike to explore the vibrant outdoor scenes. As the season transitions, the wind speeds gradually pick up again in July at 4.6 m/s (10 mph) and further increase in August to 5.4 m/s (12 mph). Compared to the earlier months, where January and February held steady at 5.9 m/s (13 mph), June’s lighter winds signal a more relaxed atmosphere. This calmness offers a delightful respite as the year progresses, allowing the charm of Leiden's canals and greenery to truly shine in the warmth of mid-summer.
Weather in Leiden varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Leiden, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present a striking contrast in weather conditions. In June, temperatures range from a mild 9°C (49°F) to a warm 29°C (84°F), with an average of 17°C (62°F) and relatively high humidity at 81%. The month experiences about 70 mm (2.8 in) of precipitation over approximately 10 days. In contrast, January is much colder, with temperatures dipping as low as -4°C (25°F) and rarely exceeding 13°C (55°F), resulting in an average of just 5°C (42°F). Although January has slightly less precipitation at 66 mm (2.6 in), it falls over a longer stretch of about 14 days, contributing to a higher humidity level of 87%. For more detailed weather insights, you can visit Leiden weather in January.
June typically brings warmer weather compared to February, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 29°C (84°F), averaging 17°C (62°F). In contrast, February experiences significantly cooler temperatures, with a minimum of -8°C (19°F) and a maximum of 16°C (60°F), averaging only 5°C (42°F). Both months see similar levels of precipitation, around 70 mm (2.8 in), but February has slightly more rainy days, averaging 13 compared to June's 10. Additionally, February's humidity is higher at 87%, while June's humidity stands at 81%. For more details on February weather, check out Leiden weather in February.
June and March present contrasting weather conditions, showcasing the transition from late winter to early summer. In June, temperatures range from a minimum of 9°C (49°F) to a warm maximum of 29°C (84°F), with an average of 17°C (62°F), creating a much more comfortable atmosphere than the chilly March, which sees temperatures starting at a minimum of -7°C (20°F) and an average of only 7°C (44°F). While both months experience similar precipitation levels of around 70 mm (2.8 in), March has slightly more rainy days, totaling 14 compared to June's 10 days. Additionally, humidity remains high in both months, slightly more so in March at 86% compared to June's 81%. For more detailed insights, you can visit Leiden weather in March.
June weather is generally warmer and more variable compared to April, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 29°C (84°F), compared to April’s milder range of 1°C (35°F) to 24°C (75°F). Additionally, June tends to be wetter, with an average precipitation of 70 mm (2.8 in) over about 10 days, while April experiences less rain, totaling 43 mm (1.7 in) over 9 days. Both months have high humidity, with June at 81% and April slightly higher at 85%, but overall, June offers a more diverse weather experience. For more details on April weather in Leiden, visit Leiden weather in April.
In comparing the weather in June to that of May, June experiences a noticeable increase in average temperatures, with a range from a minimum of 9°C (49°F) to a maximum of 29°C (84°F), compared to May’s range of 4°C (40°F) to 27°C (80°F). The average temperature in June is 17°C (62°F), significantly warmer than May’s 13°C (55°F). Additionally, June has slightly higher precipitation levels at 70 mm (2.8 in) over 10 days, while May recorded 58 mm (2.3 in) across 11 days, though the humidity is marginally lower in June at 81% compared to May's 84%. For more detailed information about May weather in Leiden, you can visit Leiden weather in May.
In comparing the weather of June and July, we see a notable increase in temperature as summer progresses. June features a minimum temperature of 9°C (49°F) and an average of 17°C (62°F), peaking at 29°C (84°F). In contrast, July experiences slightly warmer conditions with a minimum of 11°C (52°F), an average of 18°C (65°F), and a maximum of 33°C (92°F). While June has a higher precipitation level of 70 mm (2.8 inches) over about 10 days, July sees a reduction in total rainfall to 68 mm (2.7 inches) but encompasses more rainy days, totaling 13. Humidity remains fairly consistent between the two months, with June at 81% and July at 80%. For further details, check Leiden weather in July.
In June, the weather features a minimum temperature of 9°C (49°F), with an average of 17°C (62°F) and a maximum reaching 29°C (84°F). This month sees around 70 mm (2.8 in) of precipitation over 10 days, along with a high humidity level of 81%. In contrast, August generally brings slightly warmer temperatures, with a minimum of 12°C (53°F), an average of 19°C (66°F), and a maximum of 30°C (86°F). The month is characterized by higher precipitation of 95 mm (3.7 in) over 15 days, but maintains a lower humidity of 78%. For more details on August weather, check out Leiden weather in August.
June and September in Leiden present a transition in weather patterns. In June, temperatures range from a minimum of 9°C (49°F) to a maximum of 29°C (84°F), with an average of 17°C (62°F), while September sees slightly cooler temperatures, with a range from 8°C (46°F) to a maximum of 27°C (81°F) and an average of 16°C (61°F). Precipitation is higher in September at 96 mm (3.8 in) over 13 days, compared to June's 70 mm (2.8 in) over 10 days. Both months exhibit similar humidity levels, with June at 81% and September slightly higher at 83%. For more detailed information on September’s weather, visit Leiden weather in September.
June and October present distinct weather patterns, showcasing the transition from the warmth of summer to the coolness of autumn. In June, temperatures typically range from a minimum of 9°C (49°F) to a comfortable maximum of 29°C (84°F), with an average temperature of 17°C (62°F). The month experiences 70 mm (2.8 in) of precipitation over about 10 days, paired with a humidity of 81%. In contrast, October sees a decline in temperatures, with a minimum of 4°C (39°F), an average of 13°C (56°F), and a maximum of 23°C (74°F). Rainfall increases to 120 mm (4.7 in) across approximately 17 days, and humidity rises slightly to 86%. For more detailed insights on the October weather, you can check Leiden weather in October.
June and November present distinctly contrasting weather patterns. June enjoys warmer temperatures, with a range from a minimum of 9°C (49°F) to a maximum of 29°C (84°F) and an average of 17°C (62°F), while November is much cooler, with temperatures ranging from 1°C (33°F) to 17°C (63°F) and an average of only 9°C (48°F). Both months receive a similar amount of precipitation at 70 mm (2.8 in), but June is generally drier with rainfall occurring over about 10 days, compared to November's 15 rainy days. Additionally, November tends to be more humid, with levels around 87% compared to June's 81%. For more details, visit Leiden weather in November.
June and December present contrasting weather conditions, reflecting the shift from late spring to deep winter. In June, temperatures range from a mild 9°C (49°F) at night to a warm 29°C (84°F) during the day, with an average of 17°C (62°F). This month sees about 70 mm (2.8 in) of precipitation over approximately 10 days, along with a relatively high humidity level of 81%. In stark contrast, December experiences much colder temperatures, with lows reaching -2°C (28°F) and daytime highs only reaching up to 13°C (55°F), averaging 6°C (44°F). Precipitation increases to 110 mm (4.3 in) over a more frequent 18 days, accompanied by a slight rise in humidity at 86%. For more detailed insights about the climate in December, you can refer to Leiden weather in December.
June in Leiden marks a vibrant transition into summer, offering a warm embrace as temperatures peak, reaching up to 29°C (84°F), which is a welcome contrast to the cooler months. With an average temperature sitting comfortably at 17°C (62°F), the days are longer and beckon outdoor activities. However, the month is not without its moisture, as 70 mm (2.8 in) of rain can be expected across 10 days, adding a lush backdrop to the city's picturesque scenery. Despite this, humidity levels hover around 81%, providing a sense of warmth and richness in the air. For a deeper dive into Leiden's diverse climate throughout the year, be sure to explore the comprehensive guide at Leiden Climate.