Last updated: August 27, 2025
In Leiden, Netherlands, July typically showcases warm and varied weather, with maximum temperatures soaring to 33°C (92°F), while the average rests around a comfortable 18°C (65°F). Nights cool down to a minimum of 11°C (52°F), providing a pleasant respite. However, July also brings 68 mm (2.7 in) of rainfall over approximately 13 days, contributing to the city's lush, green surroundings. With humidity levels hovering around 80%, visitors should be prepared for both warmth and the occasional shower, making it an ideal time to explore Leiden’s picturesque canals and historic sights.
July in Leiden, Netherlands, brings a delightful warmth as the summer fully blooms. With minimum temperatures averaging around 11°C (52°F) and peaking at an impressive 33°C (92°F), this month stands out with its vibrant energy. The average temperature of 18°C (65°F) sets the stage for long, sun-kissed days, perfect for enjoying the picturesque canals and lush parks. Compared to the preceding months, July marks a significant shift from the cooler spring temperatures, showcasing the region's inviting warmth and making it an ideal time for outdoor activities and exploring the charm of Leiden. This summer month truly encapsulates the essence of European summer, creating a lively atmosphere in this historic Dutch city.
In July, Leiden, Netherlands, experiences a moderate precipitation level of 68 mm (2.7 in), falling on 13 days throughout the month. This amount signals a slight decrease from the wetter months of June and the looming rains of August, which often brings the highest rainfall of the year. Notably, July's weather features a balance of sunny days intermixed with refreshing showers, perfectly illustrating the typical Dutch summer. As the month rolls into August, residents can anticipate a significant uptick in both rainfall and rainy days, emphasizing a notable trend towards wetness in the latter part of summer.
In July, humidity levels in Leiden, Netherlands, reach a more comfortable 80%, marking a gradual decline from the wetter months of the year. This slight drop follows a trend of decreasing humidity, with June having recorded 81%. As the summer unfolds, July provides a reprieve from the higher levels experienced earlier, such as the consistent 87% seen in January and November. Looking ahead, humidity continues to decrease into August at 78%, indicating a transition towards the autumn months. Overall, July strikes a balance between the humid spring and the drier conditions of late summer, making it a pleasant time for outdoor activities in Leiden.
In July, Leiden experiences its peak UV Index, reaching a notable 8 which falls into the very high exposure category. This suggests that sun protection is essential as the burn time is a mere 15 minutes. This level of UV radiation mirrors that of June, indicating a trend of intense sun exposure during the summer months. As we transition from the high UV levels of May and June to slightly lower yet still significant levels in August (UV Index 7), it's crucial to remain vigilant in sun safety practices. For those enjoying outdoor activities, knowing the UV index is vital for protecting skin health. For more detailed information, visit the Leiden UV Index.
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In July, Leiden basks in a glorious embrace of sunshine, tallying an impressive 431 hours of sunlight—a highlight in the city's annual solar calendar. This month marks a peak in daylight, building on the steady increase from January's mere 117 hours. As spring melts into summer, the hours of sunlight steadily climb, culminating in July's vibrant glow and providing the perfect backdrop for outdoor activities and leisurely strolls along the picturesque canals. Following July, August still offers a generous 402 hours of sunshine, but a gradual decline in brightness signals the approaching fall. The trend illustrates how Leiden transforms through the seasons, with each month inviting both locals and visitors to indulge in the splendor that comes with the sun-filled days of summer.
In July, Leiden experiences a 36% chance of sunny weather, a continuation of the moderate levels observed in the preceding months. After peaking in April at 42%, the likelihood of sunny days dips slightly through May and June, but remains relatively stable in July, matching the levels seen earlier in the spring. This indicates a consistent, if not particularly high, potential for sunshine during the heart of summer. As the summer progresses into August, the chances of sun begin to recede again to 35%, suggesting that while July offers a good opportunity for enjoying pleasant weather, it might not guarantee those sun-drenched days one hopes for in the height of summer.
In Leiden, Netherlands, July is a highlight in the annual cycle of daylight, sharing the longest days of the year with June, each basking in 16 hours of sunlight. This peak in daylight follows a steady increase from the 8 hours experienced in January, showcasing a gradual but undeniable transition towards brighter, summer days. As the year progresses into August, the daylight begins to wane slightly, with 14 hours still ensuring ample time to enjoy the outdoors. This trend of increased daylight from winter to summer reflects the vibrant seasonal changes in Leiden, where the extended hours of sunlight in midsummer invite both locals and visitors to revel in outdoor activities and the beauty of long, sun-soaked evenings.
In July, the wind in Leiden begins to stir gently, with an average speed of 4.6 m/s (10 mph), a slight uptick from the calmer breezes of June. This modest increase hints at a transitional phase; summer's warm embrace encourages playful gusts that dance through the historic streets. As the city approaches the height of summer, the winds remain relatively mild compared to the brisker months ahead. Interestingly, this pattern showcases a gradual rise from the earliest months of the year, where January and February boast their own steady winds at 5.9 m/s (13 mph). By observing these trends, it's clear that while July may be a time for sun-soaked relaxation, it still offers a refreshing reminder of the wind's presence, preparing the way for the more energetic autumn air just around the corner.
Weather in Leiden varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Leiden, focusing on differences in temperature, rainfall, humidity, and UV levels.
In July, the weather in Leiden offers a warm experience with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 33°C (92°F), averaging around 18°C (65°F). While the month sees 68 mm (2.7 in) of precipitation over approximately 13 days, the humidity is a high 80%, contributing to a muggy atmosphere. In contrast, January presents a starkly different climate, with temperatures dipping to a minimum of -4°C (25°F) and peaking at 13°C (55°F), averaging just 5°C (42°F). The average precipitation remains slightly lower at 66 mm (2.6 in) across 14 days, but the humidity is higher at 87%. For more specific weather details in January, you can visit Leiden weather in January.
July and February present strikingly different weather conditions. In July, temperatures range from a mild 11°C (52°F) at night to a scorching 33°C (92°F) during the day, with an average of 18°C (65°F). The month experiences about 68 mm (2.7 in) of precipitation over 13 days, and humidity levels are relatively high at 80%.
In contrast, February features much colder temperatures, with a minimum of -8°C (19°F), an average of 5°C (42°F), and a maximum of 16°C (60°F). Precipitation is slightly higher at 72 mm (2.8 in), also spread over 13 days, while humidity rises to 87%. For more details on this winter month, you can check Leiden weather in February. Overall, these two months exemplify the stark seasonal shifts, from the warmth of summer to the chill of winter.
In comparing the weather between July and March, it's evident that July is significantly warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 33°C (92°F), while March experiences a much cooler range from -7°C (20°F) to 18°C (65°F). Both months see similar levels of precipitation, with July receiving 68 mm (2.7 in) over 13 days and March slightly higher at 71 mm (2.8 in) over 14 days. Additionally, humidity levels are also higher in March at 86%, compared to July's 80%. For a more detailed insight into March weather patterns, check out Leiden weather in March.
When comparing the weather in July and April, noticeable differences emerge in both temperature and precipitation. July experiences much warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 33°C (92°F), leading to a higher average of 18°C (65°F). In contrast, April sees cooler conditions, ranging from a minimum of 1°C (35°F) to a maximum of 24°C (75°F), with an average of just 9°C (49°F). Additionally, July receives more precipitation—68 mm (2.7 in) over 13 days—compared to April's 43 mm (1.7 in) over 9 days. Humidity levels are also slightly lower in July at 80%, whereas April remains higher at 85%. For a more detailed look at April weather, you can visit Leiden weather in April.
In comparing the weather of July and May, July showcases a more significant temperature range, with minimums around 11°C (52°F) and maximums reaching up to 33°C (92°F), providing a warm and sometimes scorching atmosphere. In contrast, May experiences cooler temperatures, with a minimum of 4°C (40°F) and maximums peaking at 27°C (80°F), leading to a more mild and comfortable climate. Precipitation levels are slightly higher in July, with 68 mm (2.7 in) over 13 days, compared to May's 58 mm (2.3 in) over 11 days. Humidity remains relatively high in both months, but July's 80% is slightly lower than May's 84%, making July feel a bit more bearable despite its heat. For more detailed information on May’s weather patterns, visit Leiden weather in May.
In comparing the weather of June and July, July tends to be warmer, with an average temperature of 18°C (65°F) compared to June's 17°C (62°F). The maximum temperatures also rise, reaching as high as 33°C (92°F) in July, while June peaks at 29°C (84°F). Although both months experience similar precipitation levels, July sees a slightly lower total of 68 mm (2.7 in) over 13 days compared to June's 70 mm (2.8 in) over 10 days. Humidity levels remain comparable, with July at 80% and June at 81%. For more detailed insights, you can check out Leiden weather in June.
In comparing the weather between July and August, we can see some notable differences. July typically experiences a broader range of temperatures, with a minimum of 11°C (52°F), an average of 18°C (65°F), and a maximum reaching up to 33°C (92°F). In contrast, August tends to have slightly warmer nights with a minimum of 12°C (53°F) and a more moderate peak of 30°C (86°F) for daily highs, leading to a gentle average of 19°C (66°F).
While July sees 68 mm (2.7 in) of precipitation spread over 13 days, August sees a higher total precipitation of 95 mm (3.7 in) across 15 days, indicating a wetter month overall. Additionally, the humidity remains fairly consistent, with July at 80% and August slightly lower at 78%. For a more detailed look at the weather conditions in August, check out Leiden weather in August.
In comparing the weather between July and September, it is clear that July experiences warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 33°C (92°F), while September sees cooler conditions, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 27°C (81°F). The average temperature in July is also higher at 18°C (65°F) compared to September's 16°C (61°F). Additionally, September tends to be wetter, accumulating 96 mm (3.8 in) of precipitation over 13 days, compared to July's 68 mm (2.7 in) with the same number of rainy days. Both months maintain similar humidity levels, with July at 80% and September slightly higher at 83%. For more detailed insights on the weather during this time, check out Leiden weather in September.
In July, the weather is characterized by a wider temperature range, with minimums around 11°C (52°F) and maximums reaching up to 33°C (92°F), offering plenty of warmth and the chance for sunny days. However, it also experiences high humidity at 80% and moderate precipitation of 68 mm (2.7 in) over 13 days. In contrast, October brings cooler temperatures, with averages dropping to 13°C (56°F) and a maximum of 23°C (74°F), accompanied by a significant increase in rainfall totaling 120 mm (4.7 in) over 17 days and slightly higher humidity at 86%. The shift from the warmth of summer to the chill of autumn marks a distinct change in the climate. For more detailed insights on October weather, check out Leiden weather in October.
July and November exhibit striking differences in weather patterns. In July, temperatures range from a minimum of 11°C (52°F) to a maximum of 33°C (92°F), with an average of 18°C (65°F). The month sees about 68 mm (2.7 in) of precipitation over 13 days, along with a high humidity level of 80%. In contrast, November brings cooler conditions, with minimum temperatures dropping to 1°C (33°F) and maximums reaching only 17°C (63°F), averaging at 9°C (48°F). Precipitation slightly increases to 70 mm (2.8 in) spread over 15 days, and humidity rises to 87%. For more detailed insights on weather in November, you can visit Leiden weather in November.
In July, the weather is characterized by warm temperatures, with an average of 18°C (65°F) and occasional peaks reaching up to 33°C (92°F), making it a favorite month for outdoor activities. However, the month experiences fairly high humidity at 80% and sees around 68 mm (2.7 in) of precipitation over approximately 13 days. In contrast, December brings much colder temperatures, averaging around 6°C (44°F), with minimums dipping to -2°C (28°F) and maximums only reaching 13°C (55°F). While December is wetter—with 110 mm (4.3 in) of precipitation over 18 days and slightly higher humidity at 86%—it offers a distinct, chilly atmosphere compared to the heat of summer. For more details, you can explore Leiden weather in December.
July in Leiden truly stands out as a vibrant summer month, offering a delightful blend of warmth and humidity that sets it apart from the rest of the year. With maximum temperatures soaring to a comfortable 33°C (92°F), residents and visitors alike can relish outdoor activities despite the average temperature hovering around a mild 18°C (65°F). However, July is also characterized by notable humidity levels, reaching up to 80%, which can create a balmy atmosphere. While the month does see some rain, averaging 68 mm spread over 13 days, these brief showers often provide a refreshing break from the heat. For those seeking detailed insights into the weather patterns throughout the year, Leiden Climate offers comprehensive information to help plan your visit.