Last updated: August 27, 2025
Experience the delightful summer ambiance of Haarlem, Netherlands in August, where temperatures can soar to a maximum of 30°C (87°F), providing a warm retreat for locals and visitors alike. On average, the temperature hovers around a pleasant 18°C (65°F), while the nights cool down to a minimum of 11°C (52°F), perfect for cozy evenings. August sees about 99 mm (3.9 in) of rainfall over 15 days, ensuring that the lush landscapes remain vibrant and green. With humidity levels reaching 78%, the air is filled with a refreshing balance, inviting everyone to enjoy the beauty of Haarlem’s summer charm.
In Haarlem, Netherlands, August marks a delightful peak in summer temperatures, where the days are warm and inviting. With a minimum temperature of 11°C (52°F) and an average of 18°C (65°F), residents and visitors alike can enjoy the pleasant weather, ideal for outdoor activities. The month can sizzle with maximums reaching up to 30°C (87°F), reminiscent of the peak July heat, yet it offers a more moderate warmth that perfectly balances the summer's intensity. This trend of rising temperatures from the cooler spring months showcases Haarlem’s transition to a vibrant summer, making August an enticing time to explore the city’s charming streets, parks, and canals.
In August, Haarlem experiences a notable surge in precipitation, with 99 mm (3.9 in) of rain falling over 15 days. This marks a significant increase from the preceding months, reflecting a trend where summer gives way to the autumnal wet season. The frequency of rainy days in August is higher compared to the earlier summer months of June and July, which saw 74 mm and 73 mm of rain, respectively. As the warm summer sun begins to fade, the skies of Haarlem prepare for the heavier showers of autumn, underscoring a transitional phase in the region's weather pattern.
In Haarlem, Netherlands, August marks a notable shift in humidity, with levels dropping to 78%, the lowest point of the year. As the warm summer months progress from June's 81% to July's 80%, a gradual decline becomes evident, signaling a welcome relief from the heavier air of earlier years. The trend of decreasing humidity continues into September, which sees a rise back to 83%, hinting at the return of the autumn season. Throughout the year, humidity remains relatively high, with winter months hovering around 87%, creating a distinct contrast to the drier, yet still comfortable, conditions of late summer. This ebb and flow of humidity not only shapes the seasonal atmosphere but also enhances Haarlem's charm, inviting residents and visitors alike to relish in the pleasant warmth of August.
In Haarlem, Netherlands, the UV Index in August typically reaches a peak of 7, indicating a high exposure category that can lead to sunburn in about 25 minutes. This month sees a slight dip from the very high levels of UV radiation experienced in June and July, both boasting an UV Index of 8. The trend from spring to summer showcases a sharp increase in UV exposure, starting with a moderate index of 4 in March and escalating to June's intense measures. As summer wanes, September's UV Index falls back to 5, transitioning once again to more moderate exposure levels. To keep informed and protect your skin, check out the detailed UV forecast at Haarlem UV Index.
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As summer approaches its end, Haarlem basks in 396 hours of sunshine in August, marking a slight dip from July's peak of 423 hours. This month ensures a warm farewell to summer, tying in closely with the trend of increasing daylight hours from the cold beginnings of the year, where January saw a mere 114 hours of sunshine. The sun begins to retreat in September, dropping to 326 hours, but August remains a vibrant culmination of the longer, brighter days that characterize the summer months. With day lengths steadily lengthening from just 283 hours in March to the height of summer in July, it’s clear that August keeps the spirit of summer alive just a little longer, inviting locals and visitors alike to enjoy the sun-drenched streets of this charming city.
In Haarlem, the likelihood of enjoying sunny weather peaks during the warmer months, with August holding steady at a 36% chance of sunshine. This marks a slight decline from both June and July, which have higher probabilities of clear skies, yet August still offers a decent chance for sun-filled days as summer winds down. As the summer progresses, the trend suggests a gradual decrease in sunny days, with the chance of sunshine dipping noticeably into the autumn months of September and October. Thus, while August may not guarantee endless sunny afternoons, it remains a favorable time for those looking to bask in some warm, golden rays before the fall sets in.
In Haarlem, Netherlands, August marks a transition as the summer days begin to shorten, offering about 14 hours of daylight. This decline follows the peak daylight of 16 hours experienced in both June and July, where the sun graces the city with its brilliance for long, warm evenings. As August approaches, the sunlight gradually wanes, hinting at the upcoming autumn months. In contrast to January's mere 8 hours of daylight, the lengthening days from February through May create a vibrant atmosphere, heralding the arrival of spring and summer. Despite August’s shorter days, the lingering warmth and brightness remind residents of the sun-drenched months just passed, bridging the gap into September's gentle decline, with 12 hours of daylight.
In Haarlem, Netherlands, August heralds a gentle shift in the wind, with an average speed of 5.3 m/s (12 mph) that mirrors the breezy warmth of summer. This month stands out as the wind begins to mildly pick up again, contrasted with the calmest days of June, which saw a dip to 3.9 m/s (9 mph). As the summer wanes, the wind speeds transition smoothly from the lower summer averages back toward the brisk autumn months, where October typically ushers in stronger gusts at 6.2 m/s (14 mph). This pattern reflects a seasonal rhythm, where the winds become a refreshing backdrop to the picturesque Dutch scenery, inviting both locals and visitors to enjoy the vibrant late summer days before the autumn chill sets in.
Weather in Haarlem varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Haarlem, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, temperatures range from a refreshing 11°C (52°F) at night to a warm 30°C (87°F) during the day, creating a pleasant summer atmosphere that encourages outdoor activities. The month sees an average of 18°C (65°F) and experiences significant rainfall, with about 99 mm (3.9 in) spread over 15 days, while humidity levels hover around 78%. In contrast, January presents a starkly different climate, with much colder temperatures ranging from a chilly -4°C (26°F) to a maximum of 12°C (55°F), and an average temperature of just 5°C (42°F). Although it also experiences precipitation—62 mm (2.4 in) over 13 days—January's humidity is slightly higher at 87%. For a more detailed look at January weather, check out Haarlem weather in January.
The weather in August is characterized by warmer temperatures, with an average of 18°C (65°F) and maximums reaching up to 30°C (87°F), while February is much cooler, boasting an average of just 5°C (42°F) and maximums around 16°C (61°F). Both months experience a fair amount of precipitation, with August receiving 99 mm (3.9 in) over approximately 15 days and February having 71 mm (2.8 in) over 12 days. Notably, February's higher humidity at 87% compared to August's 78% adds to the chilliness of the air. For a more detailed look at February weather patterns, check out Haarlem weather in February.
In comparing the weather between August and March, we see striking differences in temperature and humidity. August enjoys warmer conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 30°C (87°F) and an average of 18°C (65°F). In contrast, March experiences much cooler weather, with temperatures peaking at 17°C (63°F) and dropping as low as -7°C (19°F), averaging around 7°C (44°F). Precipitation is also noteworthy; August sees 99 mm (3.9 in) over 15 days, while March has slightly less with 71 mm (2.8 in) across 14 days. Additionally, August is relatively less humid at 78%, compared to the higher humidity levels in March, which reach 86%. For more information on March weather specifics, you can visit Haarlem weather in March.
When comparing the weather in August and April, we find that August tends to be significantly warmer and wetter than April. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 30°C (87°F), with an average temperature of 18°C (65°F). The month sees about 99 mm (3.9 in) of precipitation spread over 15 days, and a humidity level of 78%. In contrast, April experiences cooler temperatures, with a minimum of 1°C (34°F), a maximum of 25°C (77°F), and an average of only 9°C (49°F). The precipitation is lower at 43 mm (1.7 in) over 10 days, alongside a slightly higher humidity at 85%. For more detailed information about April weather, you can visit Haarlem weather in April.
When comparing the weather in August and May, notable differences emerge in temperature and precipitation patterns. August enjoys a higher temperature range, with average highs reaching 30°C (87°F), compared to May's milder maximum of 27°C (81°F). The minimum temperatures in August are also warmer, starting at 11°C (52°F) versus May's 4°C (40°F). However, May experiences slightly higher humidity levels at 84%, compared to 78% in August. Additionally, August sees more precipitation overall, accumulating 99 mm (3.9 in) over 15 days, while May has 54 mm (2.1 in) across 11 days. For a closer look at May's specific conditions, you can check out Haarlem weather in May.
In comparing the weather between June and August, both months experience similar maximum temperatures, with August peaking at 30°C (87°F) and June reaching 30°C (86°F). However, August tends to be slightly warmer on average, with a minimum temperature of 11°C (52°F) compared to June's 9°C (48°F). Additionally, August is characterized by higher precipitation, totaling 99 mm (3.9 in) over 15 days, while June records 74 mm (2.9 in) over 11 days. Humidity levels are slightly lower in August at 78% compared to 81% in June. For more detailed insights, you can check Haarlem weather in June.
In comparing the weather between July and August, both months feature similar minimum temperatures of 11°C (52°F) and average temperatures around 18°C. However, July typically enjoys slightly warmer max temperatures peaking at 33°C (92°F), while August sees a maximum of 30°C (87°F). Precipitation levels are higher in August, with 99 mm (3.9 in) recorded over 15 days, compared to July's 73 mm (2.9 in) over 14 days. Humidity is also quite similar, with July at 80% and August at 78%. For more detailed information on July conditions, you can check Haarlem weather in July.
In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 30°C (87°F), with an average of 18°C (65°F). This month also sees about 99 mm (3.9 in) of precipitation over 15 days, with humidity levels at 78%. In contrast, September experiences cooler weather, with temperatures dropping to a minimum of 7°C (45°F) and a maximum of 27°C (81°F), averaging at 16°C (60°F). Precipitation is slightly lower at 93 mm (3.7 in) over 12 days, but humidity increases to 83%. For more detailed information, you can explore Haarlem weather in September.
August and October show notable differences in weather patterns. In August, temperatures range from a mild minimum of 11°C (52°F) to a warm maximum of 30°C (87°F), with an average of 18°C (65°F). Humidity is relatively high at 78%, and while there's precipitation over 15 days, it totals 99 mm (3.9 in). In contrast, October experiences cooler temperatures, with a minimum of just 4°C (40°F) and an average of 13°C (55°F), peaking at 23°C (74°F). Precipitation increases slightly to 115 mm (4.5 in) over 17 days and humidity rises to 86%. For more detailed information, you can check Haarlem weather in October.
August and November showcase a significant contrast in weather. August typically brings warmer temperatures, with highs reaching up to 30°C (87°F) and an average of 18°C (65°F), while November yields cooler conditions, with maximum temperatures settling around 17°C (63°F) and an average of just 9°C (48°F). Precipitation is more prevalent in August, with 99 mm (3.9 in) expected over 15 days, compared to November's 65 mm (2.6 in). Additionally, while humidity is high in both months—78% in August and slightly higher at 87% in November—November's chill and dampness create a distinctly different atmosphere. For a more detailed look at November weather, visit Haarlem weather in November.
August and December present distinctly different weather patterns. In August, temperatures fluctuate from a minimum of 11°C (52°F) to a maximum of 30°C (87°F), with an average of 18°C (65°F). The month typically experiences about 99 mm (3.9 in) of precipitation over 15 days and a humidity level of 78%. In contrast, December sees much cooler temperatures, ranging from a low of -3°C (27°F) to a high of 13°C (55°F) and an average of just 6°C (44°F). Precipitation slightly increases to 105 mm (4.1 in) spread over 18 days, accompanied by higher humidity at 86%. For more detailed information, you can check Haarlem weather in December.
August in Haarlem brings a delightful warmth that sets it apart from the cooler months, with temperatures peaking at a comfortable 30°C (87°F). While average temperatures hover around a pleasant 18°C (65°F), the minimums gracefully remind us that summer's embrace is still tempered. The month experiences a noticeable amount of rainfall, with about 15 days seeing precipitation, totaling 99 mm (3.9 in), enhancing the lushness of the landscape. Coupled with a humidity level of 78%, August paints a vivid portrait of summer transitioning to fall. For a deeper understanding of Haarlem's varied climate throughout the year, visit Haarlem Climate.