August Weather in Willemstad, Netherlands

Last updated: August 27, 2025

In August, Willemstad, Netherlands experiences a warm and humid climate, with maximum temperatures soaring to 34°C (94°F) and a pleasant average of 19°C (66°F). While daytime heat can be intense, the nights bring a comfortable respite. However, the month is also marked by significant rainfall, totaling 85 mm (3.3 in) across approximately 14 days, resulting in a humidity level of 76%. Visitors should be prepared for some wet days amidst the tropical warmth, making it a unique time to explore the charm of this vibrant city.

August Temperature in Willemstad

In August, temperatures in Willemstad, Netherlands, begin to reflect the peak of summer warmth, with a minimum of 9°C (48°F) and an average of 19°C (66°F). As the month progresses, the maximum temperature can soar to a sweltering 34°C (94°F), showcasing a notable upward trend compared to earlier months. This significant spike continues from July's excessive heat, where temperatures reached an astonishing 39°C (102°F). The rising temperatures in August signal a blend of longer, sunnier days and vibrant outdoor activities, making it a crucial month for those seeking to experience the height of summer in this charming part of the Netherlands. As summer wanes, a gradual cooldown will soon be felt in September, but for now, the warmth is undoubtedly at its peak.

August Weather in Willemstad: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Willemstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willemstad, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec404145505664656559544642
Data source: Temperature data for Willemstad generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Willemstad

August in Willemstad, Netherlands, marks a significant peak in precipitation, with an average of 85 mm (3.3 in) recorded across 14 days of rain. This month stands out not only for its rainfall amount, which is the highest of the year, but also for its increase from July's 77 mm (3.0 in). As summer transitions into autumn, this uptick in precipitation reflects a pattern where rainfall gradually escalates throughout the warmer months, culminating in a wetter autumn. Following August, September sees a decrease to 66 mm (2.6 in), hinting at the seasonal shift and suggesting that August may serve as a last burst of summer rain before drier conditions set in.

August Precipitation Trends in Willemstad

The chart displays monthly precipitation patterns in Willemstad, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Willemstad, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec596570436673778566895592
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Willemstad

In Willemstad, Netherlands, August marks a notable shift in humidity as levels dip to 76%, the lowest of the year. This decline follows a consistent gradual decrease throughout the summer months, where humidity started at an elevated 82% in June and settled at 80% in July. The reduction in moisture levels brings a touch of relief, contrasting sharply with the 91% humidity seen at the beginning of the year in January. As August gives way to September, humidity rises again to 82%, signaling the return of the more humid conditions that dominate the later months. This trend highlights the unique ebb and flow of humidity in the region, reflecting a dynamic climate that often captivates residents and visitors alike.

August Average Humidity in Willemstad

This chart illustrates the average monthly humidity levels in Willemstad, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Willemstad is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Willemstad

In August, Willemstad experiences a UV Index of 7, marking it as a month of high exposure with a burn time of approximately 25 minutes. This trend continues from the peak UV levels seen in June and July, where the index reached its highest value of 8. As summer unfolds, sun-seekers should be particularly mindful of skin protection strategies to minimize the risk of UV damage. Following August, the UV Index subtly drops to 5 in September, indicating a shift towards moderate exposure as the season transitions. For more detailed insights, visit Willemstad UV Index.

Maximum UV Index Levels in Willemstad for August

The chart shows the monthly maximum UV Index (UVI) for Willemstad in August, 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. In August, the maximum UV index in Willemstad typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Willemstad August 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.

August Sunshine in Willemstad

In Willemstad, the month of August shines brightly, offering an impressive 394 hours of sunshine. This delightful summer month continues a trend of increasing sunlight that peaks in July with 422 hours, showcasing the region's vibrant summer allure. The sun-kissed days of summer gradually taper off into September, which still provides a substantial 329 hours but signals the return to shorter days as the year progresses. From the depths of winter, where January casts only a modest 120 hours, the transition to the sun-drenched months of late spring and summer is a captivating journey, making Willemstad a prime destination for those seeking warmth and light. Overall, this seasonal progression highlights the joyous contrast between the sunny highs of summer and the cooler, darker months ahead.

Monthly Sunshine Duration in Willemstad: August Highlighted

The August sunshine duration represents the total number of hours Willemstad experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec120h206h280h359h409h415h422h394h329h247h196h147h
Data source: Willemstad August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Willemstad During August

In August, Willemstad enjoys a 32% chance of sunny weather, reflecting a trend of moderate sunshine as summer begins to wane. Following a peak in April at 42%, the likelihood of sunny days gradually diminishes during the summer months of June and July, settling at a steady 34% before dipping slightly in August. This pattern suggests that while August still offers a good opportunity for sun-filled days, it’s part of a cycle where the chances of sunny weather decrease as the year moves towards fall. Overall, visitors can expect a pleasant blend of sunshine and clouds, making it an appealing time to explore this charming Dutch town.

Percentage of Sunny Days in August in Willemstad

The chart illustrates the percentage of sunny days in Willemstad throughout the year, with August 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 Willemstad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%28%36%42%32%37%34%32%33%29%23%17%
Data source: Willemstad August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Willemstad in August

In Willemstad, Netherlands, August marks a transition as daylight begins to wane after the brightest months of June and July, when residents enjoyed a generous 16 hours of sunlight. The days in August still offer a pleasing 14 hours, allowing ample time for summer activities, but it's clear that the shift towards shorter days has begun. As the month approaches its end, the daylight starts to dip, ushering in the gradual descent into autumn. This pattern illustrates a trend of increasing daylight from winter's mere 8 hours in January to summer's peak, before drifting back to the more subdued light of September, with just 12 hours ahead. This rhythmic dance of daylight creates a vibrant but fleeting summer atmosphere, highlighting the beauty of seasonal change in this charming Dutch locale.

Average Daylight Hours in Willemstad for August

The chart illustrates the variation in daylight duration in Willemstad throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 21m9h 57m11h 55m13h 55m15h 40m16h 36m16h 6m14h 32m12h 35m10h 35m8h 48m7h 50m
Data source: Willemstad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Willemstad

In Willemstad, Netherlands, the August wind gently whispers with an average speed of 3.8 m/s (about 8 mph), reflecting a slight increase from the calmer breezes of June and July. Throughout the summer months, wind speeds tend to fluctuate, with a noticeable dip in June at 3.0 m/s, before rising again. As summer fades, the August winds offer a refreshing respite while remaining more subdued compared to the brisk breezes of fall, which climb back to 4.5 m/s in October. This trend highlights a seasonal rhythm where summer brings lighter winds, paving the way for the stronger gusts of autumn, ensuring that each month carries its own unique atmospheric character.

Average August Wind Speed in Willemstad

The chart displays monthly wind speed patterns in Willemstad, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.54.33.94.23.03.53.8 m/s3.24.53.54.2
Data source: Willemstad August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Willemstad Compares to Other Months

Weather in Willemstad varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Willemstad, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present starkly contrasting weather conditions. In August, temperatures range from a mild 9°C (48°F) at night to a hot 34°C (94°F) during the day, with an average temperature of 19°C (66°F). This month also experiences significant humidity at 76% and sees about 85 mm (3.3 in) of precipitation over 14 days. In contrast, January has much colder temperatures, with a minimum of -7°C (19°F), an average of 5°C (40°F), and a maximum of 14°C (58°F). The winter month is also drier, with 59 mm (2.3 in) of precipitation over 12 days, and a higher humidity level of 91%. For more detailed insights into January's weather specifics, you can check Willemstad weather in January.

August and February present stark contrasts in weather, reflecting the shift from summer to winter. In August, temperatures range from a minimum of 9°C (48°F) to a scorching maximum of 34°C (94°F), with an average of 19°C (66°F). This month also sees significant precipitation, with 85 mm (3.3 in) falling over 14 days, accompanied by a humidity of 76%. In contrast, February is much colder, with temperatures starting at a minimum of -10°C (15°F) and peaking at 18°C (65°F), averaging just 5°C (42°F). Precipitation is slightly lower at 65 mm (2.6 in) over 12 days, but humidity rises to 89%. This comparison highlights how drastically weather can change between these two months, which can be further explored at Willemstad weather in February.

August and March present contrasting weather patterns that significantly influence daily life. August generally boasts warmer temperatures, with averages around 19°C (66°F) and highs reaching up to 34°C (94°F), while March features cooler conditions, averaging 7°C (45°F) and peaking at 22°C (72°F). In terms of precipitation, August experiences about 85 mm (3.3 in) across 14 days, slightly wetter than March’s 70 mm (2.8 in) with the same number of rainy days. Humidity levels are also noteworthy; August has a humidity level of 76%, whereas March is more humid at 87%. For a closer look at March weather conditions, you can refer to Willemstad weather in March.

August and April present notably different weather patterns. In August, temperatures range from a mild 19°C (66°F) on average to a sweltering maximum of 34°C (94°F), whereas April sees a much cooler climate with averages around 10°C (50°F) and maximum temperatures reaching 27°C (82°F). Precipitation is more frequent in August, occurring on about 14 days with a total of 85 mm (3.3 in), compared to April's 43 mm (1.7 in) over just 9 days. Additionally, while humidity levels are high in both months, August's average humidity is slightly lower at 76%, compared to April's 85%. For more detailed insights into April's weather, you can visit Willemstad weather in April.

In comparing the weather between May and August, it's evident that August generally experiences warmer temperatures, with averages around 19°C (66°F) compared to May's average of 13°C (56°F). While both months have their share of rainfall, August sees a higher total of 85 mm (3.3 in) over 14 days, whereas May has 66 mm (2.6 in) over 12 days. Humidity levels are also slightly more pronounced in August at 76%, compared to May’s 82%. For a more detailed insight into May's weather, you can check Willemstad weather in May.

When comparing the weather in August to that of June, both months exhibit mild temperatures but with notable differences. August features a slightly broader temperature range, with minimums of 9°C (48°F) and maximums reaching up to 34°C (94°F), whereas June has its minimum at 8°C (46°F) and maximum at 32°C (90°F). Precipitation in August is higher, occurring over 14 days with a total of 85 mm (3.3 in), compared to June's 73 mm (2.9 in) over just 10 days of rain. Additionally, humidity levels are quite high in both months, with August averaging 76% and June a bit higher at 82%. For a more detailed breakdown of June's climate, you can check Willemstad weather in June.

In comparing the weather between July and August, both months showcase relatively mild temperatures, but August experiences slightly lower highs, peaking at 34°C (94°F) compared to July's maximum of 39°C (102°F). The average temperature remains consistent, with August averaging 19°C (66°F) and July at 18°C (66°F). Precipitation in August totals 85 mm (3.3 in) over 14 days, which is marginally higher than July's 77 mm (3.0 in) over 13 days. Humidity also remains high in both months, although it is slightly lower in August at 76% compared to 80% in July. For further details on July's weather, you can visit Willemstad weather in July.

In August, the weather is typically warmer, with minimum temperatures around 9°C (48°F) and average highs reaching 34°C (94°F). The month experiences a significant amount of precipitation, totaling 85 mm (3.3 in) over 14 days, along with a humidity level of 76%. In contrast, September brings cooler temperatures, with a minimum of 3°C (38°F) and an average high of 31°C (89°F). Although it remains humid at 82%, there is less rainfall, with only 66 mm (2.6 in) recorded over 11 days. For more detailed information on the weather in September, check out Willemstad weather in September.

August and October present quite a contrast in weather characteristics. In August, temperatures range from a mild 9°C (48°F) at night to a warm 34°C (94°F) during the day, with an average temperature of 19°C (66°F). The month sees a fair amount of precipitation, totaling 85 mm (3.3 in) over about 14 days, accompanied by a relatively high humidity of 76%. In contrast, October is noticeably cooler, with temperatures dipping to a minimum of 2°C (36°F) and averaging just 12°C (54°F). While it has a slightly higher total rainfall of 89 mm (3.5 in), this precipitation is spread over the same number of rainy days. Furthermore, October boasts a higher humidity level at 89%, contributing to a distinct chill in the air. For more detailed information on October weather, visit Willemstad weather in October.

August and November exhibit stark contrasts in weather conditions. August boasts warmer temperatures, with a minimum of 9°C (48°F) and an average of 19°C (66°F), peaking at a high of 34°C (94°F). In contrast, November sees much chillier weather, where temperatures dip to a minimum of -2°C (29°F) and an average of 8°C (46°F), only reaching up to 19°C (66°F). While August experiences higher humidity at 76% and increased precipitation of 85 mm (3.3 in) over 14 days, November is slightly drier with 55 mm (2.2 in) of rainfall across 12 days, yet it has a higher humidity of 92%. For more detailed information on November weather, you can visit Willemstad weather in November.

The weather in August features a warm temperature range, with minimums of 9°C (48°F), averages around 19°C (66°F), and maximums soaring up to 34°C (94°F). In contrast, December brings much colder conditions, with temperatures dipping as low as -4°C (24°F) and averaging only 6°C (43°F). While August sees approximately 85 mm (3.3 in) of precipitation over 14 days, December experiences slightly higher rainfall at 92 mm (3.6 in) spread across 17 days. Additionally, humidity levels rise in December to 92%, compared to August's 76%. For more detailed insights about the December weather, you can refer to Willemstad weather in December.

Compare Willemstad's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Willemstad

August in Willemstad brings a unique blend of warmth and humidity, setting itself apart from the cooler months. With temperatures reaching up to 34°C (94°F), this month is characterized by its sultry feel, contrasting sharply with the cooler evenings often seen earlier in the year. While precipitation remains a factor, averaging around 85 mm over approximately 14 days, the atmosphere remains lush and vibrant. The 76% humidity creates a tropical ambiance that invites both locals and visitors to savor the long, sun-soaked days. For more insights into the seasonal shifts and climate details, explore Willemstad Climate.