August Weather in St Helens, Australia

Last updated: February 26, 2025

Experience the climate of St Helens, Australia in August, where the temperatures offer a refreshing break with a maximum of 15°C (60°F) and an average of 10°C (50°F). As the month unfolds, residents can expect chilly nights with a minimum temperature dropping to 5°C (41°F). With a precipitation total of 49 mm (1.9 in) over 9 days, August brings a moderate amount of rainfall, contributing to the area's lush surroundings. The air is often muggy with an average humidity level reaching 78%, creating a unique blend of coastal weather that defines this picturesque Tasmanian town.

August Temperature in St Helens

In August, St Helens, Australia, experiences a noticeable dip in temperatures, with minimums averaging around 5°C (41°F) and a cool maximum of 15°C (60°F). The average temperature hovers at 10°C (50°F), marking it as one of the coldest months of the year, a sharp contrast to the warmer summer months preceding it. This month sets the tone for the transition into spring, as temperatures begin their gradual ascent. The trend showcases a consistent cooling down from the warm highs in July, with each passing month leading to a more moderate climate. As August progresses, residents and visitors alike brace for the crisp air, signaling a shift from winter’s chill towards the promise of a warming spring.

August Weather in St Helens: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in St Helens, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec636262585552505051545659
Data source: Temperature data for St Helens 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 St Helens

In August, St Helens experiences a moderate precipitation of 49 mm (1.9 in) over about 9 days, contributing to a lush and vibrant landscape as winter begins to transition into spring. This month’s rainfall is slightly above the July total of 40 mm (1.6 in), suggesting an early shift towards the wetter months ahead. Notably, October sees a significant peak with 89 mm (3.5 in), indicating the region's propensity for increased rainfall as summer approaches. Overall, the precipitation pattern reveals a gradual increase from the drier winter months, culminating in the more substantial rains of late spring, enhancing the region's natural beauty and supporting its diverse ecosystems.

August Precipitation Trends in St Helens

The chart displays monthly precipitation patterns in St Helens, 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.
JanFebMarAprMayJunJulAugSepOctNovDec587681394659404957895894
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in St Helens

August in St Helens, Australia, echoes the trend of high humidity that characterizes the region throughout the winter months. With an average humidity of 78%, it aligns closely with the slightly elevated levels seen in July, which recorded the year’s peak at 79%. The preceding winter months, from May to July, maintain a consistent pattern of humidity averaging between 77% and 79%, suggesting a cozy, damp atmosphere that encourages lush scenery. As August transitions into spring, humidity dips slightly, paving the way for the more varied conditions of the coming months, yet it remains a testament to the enduring maritime influences that shape weather in St Helens.

August Average Humidity in St Helens

This chart illustrates the average monthly humidity levels in St Helens, 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.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%76%75%78%77%79%79%77%75%76%77%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in St Helens

In August, St Helens experiences a moderate UV Index of 4, with a burn time of 30 minutes—a clear indicator of the gradual onset of spring. This marks a shift from the low UV levels seen in the preceding months of June and July, where protective measures were less critical, allowing for longer exposure without immediate risk of sunburn. As the UV Index begins to climb, outdoor activities should still be approached with caution, and it's advisable to enjoy the sun while being mindful of skin protection. This pattern reflects the overall trend in St Helens, where UV levels fluctuate significantly throughout the year. To stay updated on current and future UV levels, check out the detailed insights at St Helens UV Index.

Maximum UV Index Levels in St Helens for August

The chart shows the monthly maximum UV Index (UVI) for St Helens 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.
JanFebMarAprMayJunJulAugSepOctNovDec1311964224681113
Data source: St Helens 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 St Helens

August brings a pleasant shift in sunshine to St Helens, Australia, with 247 hours of daylight that hint at the changing seasons. Following the cooler months of June and July, which recorded only 198 and 223 hours respectively, August shows a notable recovery, bringing a welcoming warmth as winter fades. This trend continues into spring, as September basks in 276 hours of sunshine, setting the stage for the sun-rich months ahead. As the year progresses towards the peak of summer, with December boasting an impressive 359 hours, August serves as a bridge, gently leading us from the crispness of winter to the vibrant energy of the upcoming sunny days.

Monthly Sunshine Duration in St Helens: August Highlighted

The August sunshine duration represents the total number of hours St Helens 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.
JanFebMarAprMayJunJulAugSepOctNovDec294h292h293h252h225h198h223h247h276h305h330h359h
Data source: St Helens August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in St Helens During August

In St Helens, Australia, August presents a moderate likelihood of sunny weather, with a 45% chance of sunshine. This marks a slight increase from July's 44%, suggesting a gradual transition towards more favorable weather as winter wanes. An interesting trend emerges as we look back at the previous months; while the chances of sun dipped in early winter, August's probability sits comfortably above the lower thresholds of the colder season. As the region heads into spring, the sun's presence is expected to become more pronounced, foreshadowing sunnier prospects in the coming months.

Percentage of Sunny Days in August in St Helens

The chart illustrates the percentage of sunny days in St Helens 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 St Helens experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%41%40%64%50%36%44%45%52%38%37%48%
Data source: St Helens August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in St Helens in August

August in St Helens, Australia, marks a subtle transition in daylight duration as it gradually begins to lengthen from the winter months. With 10 hours of daylight, August stands out as a turning point, anticipating the arrival of spring. This increase from the consistently shorter days of winter months—where sunlight lingered at only 9 hours—reflects the shifting seasons. Following August, daylight further elongates into September with 11 hours and continues to grow, reaching 14 hours by November. This upward trend not only signifies a warmer season ahead but also invites residents and visitors alike to bask in the rejuvenating sunlight as nature awakens.

Average Daylight Hours in St Helens for August

The chart illustrates the variation in daylight duration in St Helens throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 45m13h 40m12h 19m10h 56m9h 47m9h 13m9h 30m10h 30m11h 48m13h 11m14h 25m15h 5m
Data source: St Helens daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in St Helens

In St Helens, Australia, August brings a notable uptick in wind speed, reaching an average of 6.9 m/s (15 mph), making it the windiest month of the year. This breezy shift marks a peak in contrast to the steady winds of previous months, with April, May, and July each averaging 6.0 m/s (13 mph). As the year progresses, winds generally increase through the middle months, with September following closely behind at 6.7 m/s (15 mph). Interestingly, winter months tend to exhibit slightly lower speeds, with June at 5.5 m/s (12 mph) and November dropping to 5.4 m/s (12 mph), showcasing a seasonal rhythm that punctuates the coastal climate. Thus, August stands out not only for its stronger gusts but also for heralding the transition towards the spring breeze, inviting both locals and visitors to embrace the vibrant, windy aura.

Average August Wind Speed in St Helens

The chart displays monthly wind speed patterns in St Helens, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.75.95.86.06.05.56.06.9 m/s6.76.35.46.3
Data source: St Helens August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in St Helens Compares to Other Months

The weather in St Helens 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 St Helens and find detailed weather information for every month.

In August, the weather in St Helens is generally cooler, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 15°C (60°F) and an average of 10°C (50°F). The month sees approximately 49 mm (1.9 in) of precipitation over 9 days, with humidity levels high at 78%. In contrast, January offers much warmer conditions, with temperatures averaging 17°C (63°F) and peaking at 27°C (81°F). Although January experiences slightly higher precipitation at 58 mm (2.3 in) over 7 days, humidity remains relatively stable at 76%. For more detailed information, you can check St Helens weather in January.

When comparing the weather in August and February, significant differences stand out. August tends to be cooler with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 15°C (60°F), while February enjoys a much warmer climate, with temperatures between 10°C (50°F) and 25°C (78°F). Additionally, February experiences higher precipitation, totaling 76 mm (3.0 in) over 11 days, compared to August's 49 mm (1.9 in) over 9 days. Despite the increased rainfall in February, humidity levels are slightly lower at 74%, compared to August's 78%. For a more detailed look at February weather in St Helens, you can visit St Helens weather in February.

When comparing the weather in August and March, distinct differences emerge. August tends to be cooler, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 15°C (60°F), while March offers much warmer conditions, with temperatures ranging from 10°C (50°F) to 23°C (74°F). Precipitation is slightly higher in March, with 81 mm (3.2 in) over 10 days compared to August's 49 mm (1.9 in) across 9 days of rain. Humidity levels are relatively close, with August at 78% and March slightly lower at 76%. For more detailed information on March weather, you can check St Helens weather in March.

In comparing the weather of August and April, it's clear that April tends to be warmer and drier. August experiences cooler temperatures, with a minimum of 5°C (41°F) and an average of 10°C (50°F), while April has a minimum of 8°C (47°F) and an average of 15°C (58°F), peaking at 22°C (71°F). Additionally, April has less precipitation, totaling 38 mm (1.5 in) over just 5 days, compared to August's 49 mm (1.9 in) across 9 days. Humidity levels are similar in both months, with August at 78% and April slightly lower at 75%. For more details, check out St Helens weather in April.

In comparing the weather between August and May, it's clear that May tends to be warmer. The minimum temperature in May is slightly higher at 7°C (45°F), while August has a cooler minimum of 5°C (41°F). On average, May enjoys a more pleasant temperature of 13°C (55°F) compared to August's average of 10°C (50°F). Furthermore, the maximum temperature in May reaches 19°C (66°F), significantly warmer than August's maximum of 15°C (60°F). Both months experience similar levels of precipitation, with May receiving 45 mm (1.8 in) over 7 days and August recording 49 mm (1.9 in) over 9 days. Interestingly, both months share the same humidity level at 78%. For a closer look at the weather specifics during May, you can check out St Helens weather in May.

When comparing the weather in June and August, we see some similarities and slight variations. Both months experience a maximum temperature of 15°C (60°F), but August tends to be cooler overall with a minimum of 5°C (41°F) compared to June's minimum of 7°C (44°F). Average temperatures in August hover around 10°C (50°F), just slightly lower than June's average of 11°C (52°F). Precipitation is also noteworthy; August receives 49 mm (1.9 in) over 9 days, while June has a bit more at 59 mm (2.3 in) across 8 days. Humidity levels are quite similar, with August at 78% and June at 77%. For more insights into the weather during June, you can check this link: St Helens weather in June.

In comparing the weather between July and August, we see that both months have similar average temperatures, hovering around 10°C (50°F). However, July is slightly warmer, with a maximum temperature of 14°C (58°F), while August peaks at 15°C (60°F). Precipitation levels are also comparable, with July receiving 40 mm (1.6 in) over 9 days and August experiencing a bit more rain at 49 mm (1.9 in) across the same number of days. Humidity remains consistent, with July at 79% and August slightly lower at 78%. For more details, you can check St Helens weather in July.

Comparing the weather in August and September reveals some notable differences, although both months share a similar temperature range. In August, temperatures typically range from a minimum of 5°C (41°F) to a maximum of 15°C (60°F), with an average of 10°C (50°F). September sees a slight increase, with average temperatures rising to 11°C (52°F) and a maximum of 17°C (62°F). While August experiences a total precipitation of 49 mm (1.9 in) over 9 days, September sees a bit more rainfall at 57 mm (2.3 in) during the same number of days. Humidity remains relatively stable, with August at 78% and September slightly lower at 77%. For a closer look at what to expect, check out St Helens weather in September.

In comparing the weather between August and October, we see a marked increase in temperatures. August has a minimum of 5°C (41°F) and an average of 10°C (50°F), while October features slightly warmer temperatures with a minimum of 7°C (45°F) and an average of 12°C (54°F). The maximum temperature also rises from 15°C (60°F) in August to 19°C (66°F) in October. However, October experiences more precipitation, totaling 89 mm (3.5 in) over 13 days compared to August's 49 mm (1.9 in) over 9 days. Additionally, humidity remains high in both months, though it drops slightly in October to 75%, compared to August's 78%. For more detailed information, visit St Helens weather in October.

In August, the weather is cooler with a minimum temperature of 5°C (41°F) and an average of 10°C (50°F), peaking at 15°C (60°F). The month experiences moderate precipitation, totaling 49 mm (1.9 in) over about 9 days, accompanied by relatively high humidity at 78%. In contrast, November offers warmer conditions, with a minimum of 7°C (44°F), an average of 14°C (57°F), and a maximum of 22°C (71°F). While precipitation slightly increases to 58 mm (2.3 in) over 10 days, humidity remains similar at 76%. For more details on November weather, you can check St Helens weather in November.

In August, the weather is cooler, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 15°C (60°F) and an average of 10°C (50°F). The month experiences moderate precipitation, with about 49 mm (1.9 in) of rain over approximately 9 days, accompanied by a higher humidity of 78%. In contrast, December brings milder temperatures, with a minimum of 8°C (47°F) and a maximum reaching 24°C (76°F), averaging 15°C (60°F). However, it sees increased rainfall, totaling 94 mm (3.7 in) across 11 days, while the humidity remains slightly lower at 76%. For more details on December's weather, you can visit St Helens weather in December.

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Conclusion: What to Expect From August Weather in St Helens

August in St Helens presents a transition into the cooler months, where temperatures drop to a range that feels distinctly brisk compared to the preceding winter months. With an average temperature of 10°C (50°F) and maximums reaching only 15°C (60°F), the crisp air is accompanied by slightly increased humidity levels at 78%. Though the region experiences around 49 mm (1.9 in) of precipitation over 9 days, the lush landscapes benefit from this moisture, creating a picturesque backdrop. As the chilly winds pick up, make sure to bundle up and enjoy the invigorating atmosphere that makes August unique. For more insights into St Helens weather throughout the year, check out St Helens Climate.