August Weather in Alkmaar, Netherlands

Last updated: August 27, 2025

In Alkmaar, Netherlands, the weather in August offers a delightful summer experience, with maximum temperatures reaching 29°C (84°F), providing plenty of warm days to enjoy outdoor activities. The average temperature hovers around a comfortable 18°C (65°F), while nights cool down to a minimum of 12°C (54°F), ensuring a pleasant climate for evening strolls. However, be prepared for occasional rain, as the month sees approximately 94 mm (3.7 in) of precipitation spread over 15 days. With humidity levels at 78%, the air can feel a bit moist, but it does not detract from the beauty of this charming Dutch city in late summer.

August Temperature in Alkmaar

In August, Alkmaar welcomes the summer’s embrace with mild temperatures, creating a perfect backdrop for outdoor activities and leisurely strolls. The month starts with minimums around 12°C (54°F), ensuring pleasant mornings, while the averages hover at a comfortable 18°C (65°F), encouraging locals and visitors alike to enjoy the city's charm. With maximums reaching up to 29°C (84°F), the warmth is particularly inviting, reminiscent of late summer's heat. This trend of increasing temperatures from the cooler beginnings of the year gradually culminates in a vibrant, sun-kissed August, making it an ideal time to explore the beautiful canals and historic architecture of this delightful Dutch city.

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

The chart illustrates August temperature patterns in Alkmaar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alkmaar, 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).
JanFebMarAprMayJunJulAugSepOctNovDec424144485461646561554844
Data source: Temperature data for Alkmaar 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 Alkmaar

In August, Alkmaar experiences a notable uptick in rainfall, with precipitation reaching 94 mm (3.7 in), marking one of the wettest months of the year. This increase is accentuated by 15 rainy days, which is more than any other month except for October. Notably, August is characterized by a distinctive pattern: as summer wanes, the precipitation dynamics shift, contributing to a damp ambience just before the arrival of fall. This trend of higher August precipitation, coupled with relatively consistent rainfall throughout the preceding months, highlights a seasonal transition in Alkmaar where moisture levels elevate, preparing the region for the wetter autumn that follows.

August Precipitation Trends in Alkmaar

The chart displays monthly precipitation patterns in Alkmaar, 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 Alkmaar, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec62716737446669949211768106
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Alkmaar

In Alkmaar, Netherlands, August marks a notable shift in humidity patterns, with levels dropping to 78%. This is a refreshing decline from the peak summer months of June and July, which recorded 81% and 80%, respectively. As the hottest month of the year, August offers a brief respite, allowing for more comfortable conditions before the humidity begins to rise again in September, climbing to 83%. This general trend of decreasing humidity from spring into summer and then fluctuating as autumn approaches reflects Alkmaar's temperate climate, making it a pleasant destination for those seeking the ideal balance between warmth and humidity.

August Average Humidity in Alkmaar

This chart illustrates the average monthly humidity levels in Alkmaar, 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 Alkmaar is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%85%84%82%80%78%83%86%87%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Alkmaar

In August, Alkmaar experiences a high UV Index of 7, indicating that sun exposure poses a moderate risk for skin damage. With a burn time of about 25 minutes, it’s essential for residents and visitors alike to be mindful of sun protection during this month. This is a slight decrease from the intense UV levels seen in the previous months of June and July, which had a very high UV Index of 8. As summer progresses into early autumn, sun safety remains important, particularly as people enjoy outdoor activities. To stay informed about the UV levels throughout the year, check out the detailed information at Alkmaar UV Index.

Maximum UV Index Levels in Alkmaar for August

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

In August, Alkmaar basks in a dazzling 403 hours of sunshine, continuing the trend of long, bright days established in the peak summer months. Following the highs of July with 426 hours, August offers a subtle dip yet still showcases a vibrant summer atmosphere perfect for outdoor activities. The trend in sunshine hours reflects a gradual decrease as the summer draws to a close, with the warm glow of autumn starting to cast its charm. From a low of just 113 hours in January, each month builds anticipation for the sunny culmination of summer, illustrating a clear progression from winter's gloom to the lively brightness of August, before giving way to the cooler seasonal months ahead.

Monthly Sunshine Duration in Alkmaar: August Highlighted

The August sunshine duration represents the total number of hours Alkmaar 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.
JanFebMarAprMayJunJulAugSepOctNovDec113h203h294h364h419h415h426h403h330h246h198h139h
Data source: Alkmaar August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Alkmaar During August

In Alkmaar, the likelihood of sunny weather peaks in the spring and early summer, with April boasting a sunny chance of 41%. As we transition into August, this percentage experiences a slight dip to 37%, which aligns closely with the summer months of June and July. This trend indicates that while August remains a favorable time for sunshine, it's slightly less bright than earlier in the season. As summer fades into autumn, the chances of sunny days begin to decline further, settling at 31% in September. Overall, August offers a pleasant balance of warmth and sunlight, making it an ideal month for outdoor activities in this charming Dutch town.

Percentage of Sunny Days in August in Alkmaar

The chart illustrates the percentage of sunny days in Alkmaar 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 Alkmaar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%26%34%41%37%40%38%37%31%27%22%20%
Data source: Alkmaar August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Alkmaar in August

In Alkmaar, Netherlands, the month of August marks a gentle transition, with 14 hours of daylight available for outdoor pursuits and seasonal festivities. Following the peak brightness of June and July, which bask in a generous 16 hours of light, August signals the gradual retreat of summer. As the days shorten, a noticeable decline begins, foreshadowing the approaching autumn months. This fluctuation in daylight illustrates the dynamic seasonal shifts, creating a vibrant tapestry of experience from the crisp, lingering evenings of summer to the more subdued light of September, which shrinks to 12 hours. Enjoy the balance of warm summer days while you can, as nature prepares for its inevitable change.

Average Daylight Hours in Alkmaar for August

The chart illustrates the variation in daylight duration in Alkmaar throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 13m9h 52m11h 54m13h 59m15h 48m16h 45m16h 15m14h 36m12h 36m10h 33m8h 41m7h 41m
Data source: Alkmaar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Alkmaar

In Alkmaar, Netherlands, the August winds bring a refreshing change as they pick up slightly to an average speed of 5.9 m/s (13 mph). This marks a subtle increase from the gentle breezes of June and July, where winds averaged just 4.4 m/s (10 mph) and 4.9 m/s (11 mph), respectively. As summer nears its end, these winds serve as a gentle reminder of the transitioning seasons. The variability in wind speed throughout the year highlights a distinct pattern: while winter months see stronger gusts averaging 6.6 m/s, the summer months typically experience a lull in intensity. However, August's moderate winds may invigorate outdoor activities and add a hint of freshness to the warmth of late summer, perfectly bridging the gap to the brisk autumn ahead.

Average August Wind Speed in Alkmaar

The chart displays monthly wind speed patterns in Alkmaar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.66.66.36.05.54.44.95.9 m/s4.87.15.96.3
Data source: Alkmaar August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Alkmaar Compares to Other Months

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

August and January present strikingly different weather conditions. In August, temperatures range from a mild 12°C (54°F) at night to a warm maximum of 29°C (84°F), averaging around 18°C (65°F). The month is characterized by higher humidity at 78% and substantial rainfall, with 94 mm (3.7 in) recorded over 15 days. In contrast, January experiences much colder temperatures, with a minimum of -3°C (27°F) and a maximum of only 12°C (53°F), averaging just 5°C (42°F). The precipitation in January is lower at 62 mm (2.4 in) over 13 days, but the humidity is slightly higher at 87%. This stark contrast highlights the seasonal shift from the warm, humid days of summer to the chilly, damp conditions of winter. For more details on January weather, visit Alkmaar weather in January.

August and February present contrasting weather conditions. In August, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), with an average temperature of 18°C (65°F). This month sees relatively high humidity at 78% and experiences 94 mm (3.7 in) of precipitation over approximately 15 days. In stark contrast, February is much colder, with temperatures ranging from -6°C (21°F) to a maximum of 14°C (58°F), averaging just 5°C (42°F). Although February has fewer days of precipitation (around 12 days), it still receives 71 mm (2.8 in) of rain, accompanied by even higher humidity at 87%. For a closer look at February weather, refer to Alkmaar weather in February.

August and March present contrasting weather experiences. In August, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), making it a warmer month with an average of 18°C (65°F). However, it also sees considerable precipitation, with 94 mm (3.7 in) falling over 15 days and humidity averaging 78%. In contrast, March is much cooler, with temperatures ranging from -7°C (20°F) to 15°C (60°F), and an average temperature of just 6°C (44°F). While it experiences slightly less rainfall at 67 mm (2.6 in) over 13 days, the humidity is relatively high at 86%. For more specific details, you can refer to Alkmaar weather in March.

When comparing the weather in August and April, we can see notable differences in temperature and precipitation. August boasts warmer temperatures, with a minimum of 12°C (54°F) and an average of 18°C (65°F), peaking at 29°C (84°F). In contrast, April's temperatures are significantly cooler, with a minimum of 2°C (36°F), an average of 9°C (48°F), and a maximum of 23°C (74°F). Additionally, August experiences more precipitation at 94 mm (3.7 in) over about 15 days, while April sees less rain, totaling 37 mm (1.5 in) across 8 days. Interestingly, April has a slightly higher humidity level at 85%, compared to August's 78%. To learn more about the specifics of April weather, you can check Alkmaar weather in April.

In comparing the weather between August and May, August tends to be warmer with an average temperature of 18°C (65°F), peaking at a maximum of 29°C (84°F). In contrast, May has a cooler average of 12°C (54°F) and a maximum of 26°C (79°F). Precipitation is more frequent in August, with 94 mm (3.7 in) falling over 15 days, whereas May sees significantly less rain at 44 mm (1.7 in) over just 9 days. Additionally, while both months experience high humidity, May has a slightly higher average at 84% compared to August's 78%. For more detailed information, you can check Alkmaar weather in May.

In comparing the weather patterns of June and August, we observe that both months feature a maximum temperature of 29°C (84°F), but August tends to be warmer overall with an average temperature of 18°C (65°F) compared to June's 16°C (61°F). While June starts the summer season with a minimum temperature of 10°C (50°F), August sees a slightly higher minimum of 12°C (54°F). Precipitation levels also differ, with August receiving more rainfall at 94 mm (3.7 in) over 15 days, compared to June's 66 mm (2.6 in) across 10 days. Interestingly, August has a slightly lower humidity level at 78% versus June's 81%. For more detailed weather insights, you can check Alkmaar weather in June.

When comparing the weather in August to that of July, we notice a few distinctions. August features a similar minimum temperature of 12°C (54°F) but sees a slightly lower average of 18°C (65°F) compared to July's average of 18°C (64°F). The maximum temperature in August is slightly less at 29°C (84°F), while July peaks at 30°C (87°F). In terms of precipitation, August experiences more rainfall with 94 mm (3.7 in) over 15 days, whereas July has a total of 69 mm (2.7 in) across 13 days. Humidity levels are also marginally lower in August at 78%, compared to July's 80%. For more detailed weather insights, check out Alkmaar weather in July.

In August, the weather is generally warmer, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F) and an average of 18°C (65°F). The month sees considerable precipitation of 94 mm (3.7 in) over 15 days, accompanied by a humidity level of 78%. In contrast, September brings cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 25°C (78°F), averaging 16°C (61°F). The rainfall is slightly less at 92 mm (3.6 in) across 12 days, though humidity increases to 83%. For a more detailed look at September's weather, you can visit Alkmaar weather in September.

August and October present a striking contrast in weather. In August, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), with an average of 18°C (65°F). The month experiences moderate precipitation, totaling 94 mm (3.7 in) over 15 days, accompanied by humidity levels around 78%. In contrast, October sees much cooler temperatures, with a minimum of 5°C (41°F), an average of 13°C (56°F), and a maximum of 23°C (73°F). This month also experiences increased precipitation of 117 mm (4.6 in) over 17 days, along with a higher humidity of 86%. For more detailed information, check out Alkmaar weather in October.

In August, the weather is generally warm, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F), and an average of 18°C (65°F). The month experiences a moderate amount of precipitation, with 94 mm (3.7 in) falling over 15 days, accompanied by a humidity level of 78%. In contrast, November brings significantly cooler temperatures, with a minimum of 1°C (35°F), an average of 9°C (48°F), and a maximum of 17°C (62°F). While November has a lower total precipitation of 68 mm (2.7 in) over the same number of days, the humidity increases to 87%. For more detailed information on November’s climate, visit Alkmaar weather in November.

August and December showcase quite different weather characteristics. In August, temperatures range from a mild 12°C (54°F) at night to a warm 29°C (84°F) during the day, with an average of 18°C (65°F). The month also sees moderate rainfall of 94 mm (3.7 in) spread across about 15 days, coupled with a comfortable humidity level of 78%. In contrast, December brings a significant drop in temperatures, with a minimum of -2°C (28°F) and a maximum of 12°C (54°F), averaging just 7°C (44°F). Rainfall increases slightly to 106 mm (4.2 in) over 18 days, and humidity rises to 86%, contributing to a much chillier and wetter atmosphere. For more details on the December climate, visit Alkmaar weather in December.

Compare Alkmaar's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Alkmaar

As summer winds down, August in Alkmaar presents a delightful blend of warm temperatures and increased humidity, creating a lively atmosphere compared to the milder months preceding it. With an average temperature hovering around 18°C and peaks reaching up to 29°C, this month invites residents and visitors alike to bask in its warmth. However, it also brings with it a fair share of rain, averaging 15 days of precipitation and totaling approximately 94 mm. While the humidity lingers at about 78%, the vibrant summer energy is palpable, making August a distinct and memorable part of the year. For a deeper dive into the weather patterns throughout the year, explore Alkmaar Climate.