Last updated: August 27, 2025
In August, Rotterdam experiences a delightful mix of warm and mild weather, with maximum temperatures reaching up to 33°C (93°F) and an average of 18°C (65°F). The city enjoys a considerable number of pleasant days, although rainfall occurs on 14 days during the month, accumulating to 84 mm (3.3 in) of precipitation. With a humidity level of 76%, the air can feel quite muggy at times, adding to the summer vibe. Overall, August in Rotterdam presents an ideal backdrop for outdoor activities despite the occasional rain showers.
In August, Rotterdam experiences a delightful blend of warmth and comfort, with temperatures ranging from a minimum of 8°C (48°F) to a maximum of 33°C (93°F). The average temperature settles at a pleasant 18°C (65°F), providing perfect conditions for outdoor activities and exploring the city's vibrant culture. Compared to the cooler months earlier in the year, August stands out as a peak summer month, showcasing a gradual increase in warmth that began in late spring. As summer wanes, the warm weather remains inviting, heralding a transition to the milder temperatures of autumn, which can drop significantly in September. This pattern of rising August temperatures exemplifies Rotterdam's seasonal rhythms, making it a prime time for locals and visitors alike to enjoy the city's lively atmosphere.
August brings a noticeable spike in rainfall to Rotterdam, with an average precipitation of 84 mm (3.3 in), marking the highest level for the year. This increase in moisture is accompanied by 14 rainy days, consistent with the month’s position in the mid-summer transition into autumn. Such trends suggest that August serves as a climactic point for summer rainfall, shaping the city’s lush landscapes before the drier months ahead. Following closely, September sees a slight decline in precipitation to 75 mm (3.0 in), maintaining a frequent onslaught of rain but hinting at the changing seasons. Thus, while August may present a wetter gateway to fall, it also sets the stage for the subsequent shift in Rotterdam’s climatic patterns.
In August, Rotterdam experiences a notable shift in humidity, with levels dropping to 76%—the lowest of the year. This decrease marks a significant transition from the height of summer, as humidity levels have gradually declined since their peak in January at 91%. The trend reflects a gentle easing of moisture in the air as the city moves towards autumn. Interestingly, after a series of months with higher humidity, August serves as a refreshing respite, paving the way for more comfortable conditions before humidity levels rise once again in the fall. As the summer warmth lingers, this drop in humidity can be a welcome relief for both residents and visitors alike.
In August, Rotterdam experiences a high UV Index of 7, indicating that sun safety becomes increasingly important as summer winds down. With a recommended burn time of just 25 minutes, locals and visitors alike should take precautions to protect their skin from potential damage. This trend shows a slight dip from the peak UV Index of 8 recorded in both June and July, which were marked by very high exposure levels. As the season transitions, August still commands attention for sun protection, following the previous months of significant ultraviolet intensity. For detailed information on UV levels throughout the year, check out the Rotterdam UV Index.
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In August, Rotterdam enjoys a substantial 398 hours of sunshine, marking it as one of the top months for sunny days in the year. This warmth follows a peak in July, which offers the most sunlight at 425 hours, creating a memorable summer for residents and visitors alike. As the year progresses from winter’s bare 118 hours in January to the blossoming light of late spring, the city sees a clear upward trend in sunlight, culminating in vibrant summer months. Despite a slight dip in August compared to July, the brightness serves as a beautiful transition into the fall, where September still retains a generous 329 hours of sunshine, showcasing the lingering warmth of summer in this dynamic Dutch city.
In Rotterdam, August offers a moderate 33% chance of sunny weather, a slight dip from the highs of summer. This month sits comfortably between July's 34% and September's 32%, suggesting that while summer is winding down, the city still enjoys its fair share of sunshine. Notably, as we move from spring into summer, the likelihood of sunny days peaks in April at 40%, only to see some fluctuation in the following months. Overall, August's weather reflects the gradual transition into autumn, but it still holds on to the warmth and brightness characteristic of summer. Whether you're planning a day out or a cozy evening in, there's still a decent chance to soak up some rays as you explore this vibrant city.
In August, Rotterdam basks in an average of 14 hours of daylight, marking a gentle transition from the sunlit peak of summer in July, where daylight reaches its maximum of 16 hours. This gradual decrease suggests the onset of autumn, as the city's vibrant parks and bustling streets slowly begin to embrace shorter days. With daylight starting to retreat, August invites residents and visitors alike to savor the lingering warmth and extended evenings before the shorter days of fall set in, highlighting the dynamic shifts in Rotterdam’s seasonal rhythm.
In August, the winds of Rotterdam begin to transition, exhibiting an average speed of 4.1 m/s (9 mph). This marks a slight increase from the quieter summer months of June and July, reflecting the city's dynamic wind patterns as autumn approaches. While still moderate, August's winds are part of a broader trend where speeds generally rise again in October. The overall pattern reveals a distinctive seasonal ebb and flow, with the winter months showcasing the highest gusts contrasted against the gentle breezes of late spring and summer. As visitors enjoy the milder August days, the wind remains a refreshing companion, promising a subtle shift towards the more robust currents of fall.
Weather in Rotterdam varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Rotterdam, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in August is characterized by warmer temperatures, with averages around 18°C (65°F) and highs reaching up to 33°C (93°F), alongside a notable humidity level of 76%. In contrast, January brings much colder conditions, with an average temperature of just 5°C (41°F) and maximums only reaching 14°C (58°F). January also presents a humid atmosphere with a higher humidity level of 91%. While August sees more rainfall, accumulating 84 mm over approximately 14 days, January has less precipitation at 57 mm over 12 days. For more details on the January climate, you can check out Rotterdam weather in January.
August weather in Rotterdam is notably warmer, with temperatures ranging from a minimum of 8°C (48°F) to a maximum of 33°C (93°F), and an average of 18°C (65°F). In contrast, February experiences much cooler temperatures, with a minimum of -9°C (15°F) and maximum reaching 18°C (65°F), averaging around 5°C (42°F). Precipitation is higher in August, totaling 84 mm (3.3 in) over 14 days, compared to February's 65 mm (2.6 in) over 12 days. Additionally, February tends to be more humid, with levels at 89%, while August's humidity is at 76%. For more details on February weather, check out Rotterdam weather in February.
August and March present stark contrasts in weather. In August, temperatures range from a comfortable 18°C (65°F) on average to a sizzling maximum of 33°C (93°F), making it a far warmer month compared to March, where averages hover around 7°C (45°F) and can dip as low as -8°C (18°F). Precipitation is relatively common in both months, with August receiving 84 mm over 14 days and March seeing 69 mm across the same number of days, but the humidity in August is slightly lower at 76%, compared to March's higher 87%. For a more detailed look at March weather, you can check Rotterdam weather in March.
April and August exhibit distinctly different weather patterns. In April, temperatures range from a chilly -1°C (30°F) at night to a comfortable 27°C (81°F) during the day, with an average of around 10°C (50°F). The month sees about 44 mm (1.7 in) of precipitation over approximately 9 days, and humidity levels are relatively high at 85%.
In contrast, August boasts warmer temperatures, with nighttime lows of 8°C (48°F) and maximums reaching up to 33°C (93°F), averaging around 18°C (65°F). The month experiences greater precipitation at 84 mm (3.3 in) over 14 days, while humidity remains high at 76%. For a detailed look at April's specific weather patterns, you can visit Rotterdam weather in April.
In comparing the weather of August and May, August tends to be warmer, with an average temperature of 18°C (65°F) and maximums reaching up to 33°C (93°F), while May has a cooler average of 13°C (56°F) and can peak at 31°C (87°F). Precipitation is slightly higher in August, with 84 mm (3.3 in) over 14 days, compared to May's 65 mm (2.5 in) over 12 days. Humidity levels are also notable, with August averaging 76% and May at a higher 82%. For more details on May's weather, you can visit Rotterdam weather in May.
In comparing the weather between June and August, we see that both months offer mild temperatures but with some notable differences. August has a slightly wider temperature range, with a minimum of 8°C (48°F), an average of 18°C (65°F), and a maximum of 33°C (93°F). In contrast, June features a minimum of 7°C (45°F), an average of 17°C (63°F), and a peak of 32°C (89°F). Precipitation is more frequent in August, occurring on 14 days with a total of 84 mm (3.3 in), compared to June's 10 days and 72 mm (2.8 in). Additionally, August's humidity is around 76%, slightly less than June's 82%. For a detailed look at what to expect during June, check out Rotterdam weather in June.
When comparing the weather in August to that of July, both months show similar minimum and average temperatures, with a minimum of around 8°C (48°F) and an average of 18°C (65°F). However, July tends to be hotter, reaching a maximum of 38°C (101°F), while August's peak is more moderate at 33°C (93°F). Additionally, August experiences slightly more precipitation, totaling 84 mm (3.3 in) over 14 days, compared to July's 68 mm (2.7 in) spread across 13 days. Humidity is also marginally lower in August at 76%, compared to July's 80%. For more details on July's weather, you can check Rotterdam weather in July.
August typically offers warmer conditions compared to September, with average temperatures reaching up to 18°C (65°F) and maximums peaking at 33°C (93°F). In contrast, September experiences a drop in average temperature to 15°C (60°F), with maximums still quite pleasant at 31°C (87°F). Both months see considerable humidity, with August at 76% and September rising slightly to 82%. Precipitation also varies, with August receiving 84 mm (3.3 in) over 14 days, while September experiences slightly less, at 75 mm (3.0 in) over 11 days. For more detailed insights, you can check Rotterdam weather in September.
August weather features warmer temperatures, with minimums around 8°C (48°F) and maximums peaking at 33°C (93°F), making it a decidedly summer month. In contrast, October sees a significant drop in temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 25°C (78°F), reflecting the transition into autumn. While both months experience substantial precipitation, October records slightly more at 92 mm (3.6 in) over 16 days compared to August's 84 mm (3.3 in) over 14 days. Additionally, humidity levels rise in October to 89%, compared to August's 76%, contributing to a more damp and cooler atmosphere during the fall. For more detailed information, check Rotterdam weather in October.
August and November present stark contrasts in weather. In August, temperatures range from a mild 8°C (48°F) at their lowest to a hot 33°C (93°F) at their peak, with an average of 18°C (65°F). The month experiences substantial precipitation, totaling 84 mm (3.3 in) over 14 days, and humidity levels sit at a comfortable 76%. Conversely, November brings a notable chill, with temperatures dipping as low as -2°C (29°F) and averaging only 8°C (46°F). The maximum temperature reaches a modest 18°C (65°F), while precipitation decreases to 56 mm (2.2 in) across 12 days, accompanied by higher humidity levels of 92%. For more details on what to expect during this cooler month, check out Rotterdam weather in November.
In August, the weather is generally warm and pleasant, with temperatures ranging from a minimum of 8°C (48°F) to a maximum of 33°C (93°F) and an average of 18°C (65°F). There is moderate rainfall of 84 mm (3.3 in) spread over approximately 14 days, coupled with a humidity level of 76%. In contrast, December experiences much colder temperatures, with a minimum of -4°C (25°F) and a maximum of 14°C (57°F), leading to an average temperature of just 6°C (43°F). It sees slightly higher precipitation at 90 mm (3.5 in), occurring over about 17 days, and a higher humidity of 92%. For more detailed information, you can check Rotterdam weather in December.
In August, Rotterdam experiences a remarkable blend of warmth and humidity, setting it apart from the cooler months that precede it. With the temperature nudging up to a maximum of 33°C (93°F) and an average that hovers comfortably around 18°C (65°F), the summer heat is unmistakable. However, the month also brings its fair share of rain, tallying 84 mm (3.3 in) of precipitation across about 14 days, which adds a layer of unpredictability to outdoor plans. The higher humidity at 76% can make the air feel warmer, contrasting sharply with the drier, cooler conditions typical of spring and autumn. For a more detailed look at how these weather patterns evolve throughout the year, check out Rotterdam Climate.