August Weather in Helgoland, Germany

Last updated: February 26, 2025

In Helgoland, Germany, August offers a delightful blend of mild temperatures and refreshing sea breezes. The month typically sees a maximum temperature of 24°C (76°F) and an average of 18°C (65°F), making it a pleasant time for outdoor activities. Visitors can expect occasional rainfall, with 91 mm (3.6 in) of precipitation spread over 14 days, maintaining the lush, green landscape. With humidity levels averaging around 77%, the air feels invigorating, perfect for exploring the island’s natural beauty or enjoying its unique wildlife. Whether you're basking in the sun or strolling along the beach, August in Helgoland is an experience not to be missed.

August Temperature in Helgoland

In August, Helgoland experiences a delightful warm-up, with temperatures reflecting the height of summer. The average temperature settles at a comfortable 18°C (65°F), bolstered by a minimum of 14°C (57°F) and a pleasant maximum reaching 24°C (76°F). This month marks a shift from the cooler months earlier in the year, showcasing a significant increase especially when compared to the cooler spring. The gradual rise in temperatures from January's chill of -4°C (26°F) to the warm embrace of August signifies Helgoland's transition into a vibrant summer, making it an ideal time for outdoor activities and exploring the island's stunning scenery. As the warmest month of the year, August invites both locals and visitors to bask in its sun-drenched charm.

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

The chart illustrates August temperature patterns in Helgoland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414041455259636561564944
Data source: Temperature data for Helgoland generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Helgoland

In August, Helgoland experiences a noticeable uptick in precipitation, with an average of 91 mm (3.6 in), making it one of the wettest months of the year. This increase is mirrored by 14 days of rainfall, highlighting a pattern of summer showers that can often be attributed to changing weather systems. Following the relatively dry months of April and May, August sets the tone for an imminent transition into autumn, as the island prepares to brace itself for even wetter conditions in the subsequent months. As rainfall peaks in September at 107 mm (4.2 in), the humid air and frequent downpours signal the gradual shift towards Helgoland's characteristic coastal climate, where each month builds on the last, culminating in a notably damp finale to the summer season.

August Precipitation Trends in Helgoland

The chart displays monthly precipitation patterns in Helgoland, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8071654242576691107139100102
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Helgoland

In Helgoland, Germany, August ushers in a slight uptick in humidity levels, reaching 77%, following the more moderate summer months of June and July at 75% and 76%, respectively. This pattern reflects a gradual transition as the region moves toward fall, with humidity beginning to rise again after peaking in the earlier months of the year. Notably, January through April exhibits the highest humidity percentages, all above 84%, indicating that the winter season is particularly damp. As we progress through the year, humidity levels decline to their summer lowest before slightly increasing again in early autumn. This cyclical trend highlights Helgoland's distinctive maritime climate, where humidity ebbs and flows gracefully with the changing seasons.

August Average Humidity in Helgoland

This chart illustrates the average monthly humidity levels in Helgoland, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%84%79%75%76%77%84%87%88%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Helgoland

In August, Helgoland experiences a UV Index of 6, placing it in the high exposure category, with a burn time of just 25 minutes for unprotected skin. This marks a slight decrease from the peak of UV Index 8 in June, indicating a gradual transition toward moderate levels as summer wanes. The summer months, particularly June and July, showcase the region's highest UV ratings, emphasizing the importance of sun protection during outdoor activities. As we move into late summer and fall, the UV Index is set to decline progressively, underscoring the need for continued awareness even as the weather begins to cool. For detailed information on UV levels throughout the year, check out Helgoland UV Index.

Maximum UV Index Levels in Helgoland for August

The chart shows the monthly maximum UV Index (UVI) for Helgoland 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568765321
Data source: Helgoland 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 Helgoland

In August, Helgoland enjoys a delightful respite from the summer heat, boasting 403 hours of sunshine that make it a picturesque escape. This month stands out as a continuation of a gradual decline from the peak of 434 hours in July, reflecting the shift toward autumn. The consistent trend of increasing sunshine hours from January's modest 101 hours to the summer peaks—especially in late spring and early summer—paints a vibrant picture of the island's climate. However, as August draws near its end, the sunlight begins its retreat, foreshadowing the cool, mellow days of September with 320 hours on the horizon. This fluctuation not only marks the passing of the seasons but also underscores Helgoland's unique charm as it transitions from one picturesque phase to another.

Monthly Sunshine Duration in Helgoland: August Highlighted

The August sunshine duration represents the total number of hours Helgoland 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.
JanFebMarAprMayJunJulAugSepOctNovDec101h187h282h363h417h418h434h403h320h244h168h125h
Data source: Helgoland August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Helgoland During August

As summer unfolds in Helgoland, August typically offers a moderate 38% chance of sunny weather. While this probability is slightly lower than the preceding months of June and July, it remains consistent with the overall trend observed in the late summer, where the chance of sunshine stabilizes. Compared to the earlier months of the year, when sun probabilities range from a mere 20% in January to a promising 51% in April, August's outlook indicates a shift toward more variable weather. Overall, while sunshine isn’t guaranteed, visitors can anticipate a fair chance to bask in the sun during their late summer escapades on this charming island.

Percentage of Sunny Days in August in Helgoland

The chart illustrates the percentage of sunny days in Helgoland 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 Helgoland experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%28%37%51%30%40%37%38%33%28%19%20%
Data source: Helgoland August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Helgoland in August

In August, Helgoland, Germany, enjoys approximately 14 hours of daylight, a delightful continuation of the sun-soaked days that peak in June with 17 hours. This month marks a gentle decline as the vibrant summer gradually transitions into early autumn, signaling a shift from the long daylight experienced in July. Notably, the light hours start to lessen as the calendar approaches the autumn months, with daylight reducing to 12 hours in September and further to 10 hours in October. The trend reflects a rhythmic ebbing of sunlight, allowing residents and visitors to bask in the warm hues of late summer while anticipating the cooler days ahead.

Average Daylight Hours in Helgoland for August

The chart illustrates the variation in daylight duration in Helgoland throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 59m9h 45m11h 54m14h 5m16h 2m17h 4m16h 30m14h 45m12h 38m10h 27m8h 29m7h 25m
Data source: Helgoland daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Helgoland

In August, Helgoland enjoys an average wind speed of 7.6 m/s (17 mph), a gentle breeze that reflects a noticeable shift from the more turbulent winds of earlier months. As summer unfolds, the wind begins to temper, transitioning from 8.2 m/s in January through to 5.5 m/s by June, before climbing slightly in July. This August figure slots neatly into a pattern where the wind speeds see a brief uptick during the late summer, offering a pleasant respite to visitors soaking in the island's natural beauty. As the season moves towards autumn, the winds begin to pick up once again, indicating a dynamic climate that’s always in motion, with October ushering in stronger gusts at 9.4 m/s (21 mph).

Average August Wind Speed in Helgoland

The chart displays monthly wind speed patterns in Helgoland, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.28.67.67.86.85.56.37.6 m/s6.79.48.68.4
Data source: Helgoland August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Helgoland Compares to Other Months

The weather in Helgoland changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Helgoland and find detailed weather information for every month.

August and January present stark contrasts in weather. August sees milder temperatures, with averages around 18°C (65°F), while January's average hovers at a chilly 5°C (41°F). Precipitation levels are relatively similar, with August experiencing 91 mm (3.6 in) over 14 days compared to January's 80 mm (3.2 in) across 15 days. Additionally, January's humidity is slightly higher at 89%, compared to August's 77%, contributing to a damp chill that is characteristic of winter. For more specific details about January weather, you can check Helgoland weather in January.

In August, the weather is notably warmer, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 24°C (76°F), averaging around 18°C (65°F). Although it is relatively humid at 77%, the precipitation is moderate, with about 91 mm (3.6 in) falling over 14 days. In contrast, February experiences a much colder climate, where temperatures dip significantly, with a minimum of -4°C (26°F) and a maximum of just 11°C (52°F), averaging only 4°C (40°F). The winter month sees a bit less precipitation at 71 mm (2.8 in) over 12 days but has a higher humidity level of 88%. For more detailed insights, you can check the statistics Helgoland weather in February.

Comparing the weather in August and March reveals a stark contrast. In August, temperatures range from a minimum of 14°C to a maximum of 24°C, creating a warm and comfortable atmosphere with an average of 18°C. In contrast, March experiences much colder conditions, with temperatures ranging from a chilling -6°C to a maximum of 10°C, yielding an average of just 5°C. Precipitation is more frequent in August, with 91 mm over 14 days, while March sees slightly less with 65 mm over 11 days. Additionally, August has a humidity level of 77%, compared to March's higher humidity at 87%. For a more detailed look at the weather during this month, check out Helgoland weather in March.

Comparing the weather in August and April reveals significant differences in temperature and precipitation patterns. August enjoys milder conditions with average temperatures around 18°C (65°F) and a maximum of 24°C (76°F), while April lags behind with an average temperature of only 7°C (45°F) and a maximum of 14°C (58°F). Moreover, August experiences greater humidity at 77%, compared to April's 84%. In terms of rainfall, August receives more precipitation, totaling 91 mm (3.6 in) over 14 days, whereas April sees only 42 mm (1.7 in) spread over 8 days. For a more detailed overview of April weather, you can visit Helgoland weather in April.

When comparing the weather in August to that in May, there are noticeable differences in temperature and precipitation patterns. August typically enjoys warmer temperatures, with a minimum of 14°C (57°F) and an average of 18°C (65°F), peaking at 24°C (76°F). In contrast, May is cooler, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 20°C (69°F), and an average of just 11°C (52°F). Additionally, August experiences higher precipitation levels, with 91 mm (3.6 in) over 14 days, compared to May's 42 mm (1.7 in) over 8 days. Both months also share relatively high humidity, but May's humidity level is slightly higher at 79% compared to August's 77%. For a detailed look at May weather, you can visit Helgoland weather in May.

When comparing the weather in August to that of June, August tends to be warmer with average temperatures reaching 18°C (65°F) compared to June's cooler average of 15°C (60°F). The maximum temperatures in August can climb up to 24°C (76°F), while June peaks at 21°C (71°F). Precipitation is notably higher in August, with 91 mm (3.6 in) across 14 days, compared to June’s 56 mm (2.2 in) over 8 days. Humidity levels are slightly elevated in August at 77%, compared to June's 75%. For more detailed insights into June weather, you can check Helgoland weather in June.

In comparing the weather of August and July, both months exhibit similar temperature ranges, with August receiving a slightly higher average temperature of 18°C (65°F) compared to July’s 17°C (63°F). While the maximum temperatures peak at 24°C (76°F) in both months, August experiences more precipitation, totaling 91 mm (3.6 in) over 14 days, as opposed to July's 66 mm (2.6 in) over 12 days. Interestingly, the humidity remains fairly consistent, with August at 77% and July at 76%. For a more detailed look at July's weather patterns, you can visit Helgoland weather in July.

In August, the weather tends to be milder with average temperatures ranging from 14°C (57°F) to a maximum of 24°C (76°F), accompanied by a moderate level of humidity at 77%. Precipitation is relatively frequent, with 14 days receiving a total of 91 mm (3.6 in) of rainfall.

Conversely, September experiences cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 21°C (71°F), reflecting an overall average of 16°C (61°F). This month also sees a slight increase in precipitation, totaling 107 mm (4.2 in) across 13 days, along with higher humidity levels at 84%. For more detailed information on September weather, you can visit Helgoland weather in September.

August and October present a notable contrast in weather conditions. In August, temperatures are typically milder, with minimums around 14°C (57°F), averaging 18°C (65°F), and peaking at 24°C (76°F). This month experiences about 91 mm (3.6 in) of precipitation over 14 days, coupled with a humidity level of 77%. Conversely, October sees a significant drop in temperatures, with minimums of 6°C (43°F) and an average of 13°C (56°F), while the maximum can reach 19°C (66°F). The month is wetter, boasting 139 mm (5.5 in) of rainfall spread over 18 days, and a higher humidity rate of 87%. For more detailed insights, you can check the weather specifics here: Helgoland weather in October.

August and November present contrasting weather patterns, with August typically offering warmer conditions. In August, temperatures range from a minimum of 14°C (57°F) to a maximum of 24°C (76°F), with an average of 18°C (65°F). In contrast, November's temperatures are noticeably cooler, peaking at only 16°C (62°F) and averaging 9°C (49°F), while dropping to a minimum of 3°C (37°F). Both months experience relatively high precipitation, with August receiving 91 mm (3.6 in) across 14 days and November seeing slightly higher precipitation at 100 mm (3.9 in) over 19 days. November also brings increased humidity levels at 88%, compared to August's 77%. For more specific details on weather conditions in November, you can refer to Helgoland weather in November.

In August, the weather is generally milder and more pleasant, with average temperatures hovering around 18°C (65°F) and maximums reaching up to 24°C (76°F). The month experiences a significant amount of humidity at 77% and sees about 91 mm (3.6 in) of precipitation over approximately 14 days. In contrast, December brings much colder conditions, with average temperatures dropping to 7°C (44°F) and maximums only reaching 11°C (52°F). The humidity rises to 87%, and precipitation increases slightly to 102 mm (4.0 in) over around 20 days, contributing to a much chillier atmosphere. For a detailed overview, you can check out Helgoland weather in December.

Compare Helgoland's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Helgoland

August in Helgoland brings a delightful warmth that sets it apart from the cooler months, with pleasant temperatures often reaching up to 24°C (76°F). While the average temperature hovers around a comfortable 18°C (65°F), the month does experience a notable amount of precipitation, with rain falling on approximately half the days. The 77% humidity adds to the coastal character, giving the island a lush and vibrant atmosphere. This blend of warmth and moisture makes August an intriguing transition month, inviting visitors to enjoy the unique beauty of Helgoland. For further insights into its weather patterns, explore Helgoland Climate.