August Weather in Porirua, New Zealand

Last updated: August 31, 2025

In Porirua, New Zealand, August brings a cool maritime climate, characterized by a maximum temperature of 14°C (57°F) and an average of 11°C (52°F). The month witnesses a minimum temperature dipping to 6°C (43°F), setting the stage for brisk, refreshing days. With 89 mm (3.5 in) of precipitation across 12 days, August tends to be a damp month, fostering an atmosphere of lush greenery. Humidity remains high at 83%, adding to the moody coastal charm that Porirua is known for. Whether you’re exploring the vibrant landscapes or enjoying the cozy indoors, Porirua’s August weather presents a unique experience steeped in natural beauty.

August Temperature in Porirua

In August, Porirua experiences a distinct chill as winter lingers, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 14°C (57°F). The month showcases a steady average temperature of 11°C (52°F), reflecting a slight dip from the preceding months. This trend of cooler temperatures marks a clear transition, as August enjoys the lowest highs of the year, paving the way for the upcoming spring months. As the days begin to lengthen, residents can anticipate a gradual warming as summer approaches, yet they are reminded to embrace the cozy comforts that these cooler days bring.

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

The chart illustrates August temperature patterns in Porirua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porirua, 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).
JanFebMarAprMayJunJulAugSepOctNovDec626261585653515252545760
Data source: Temperature data for Porirua 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 Porirua

In August, Porirua experiences a notable shift in precipitation, with an amount of 89 mm (3.5 in) spread across approximately 12 rainy days. This marks a slight decline from the peak of 108 mm (4.3 in) recorded in July, suggesting that while winter's grip lingers, the region begins to edge towards the drier spring months. Despite this decrease, August still maintains a robust level of rainfall, contributing to the vibrant, lush landscapes characteristic of this coastal city. As the month progresses, residents can expect a balance of damp days and glimpses of sun, drawing a gentle transition into the budding warmth of September.

August Precipitation Trends in Porirua

The chart displays monthly precipitation patterns in Porirua, 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 Porirua, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3369761048810110889857274101
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Porirua

In August, Porirua experiences a notable humidity level of 83%, which reflects a slight dip from the peak 86% seen in the previous two months. This gradual decrease follows an upward trend that starts in the cooler months, with humidity levels rising from 80% in April to 84% in May and peaking in June and July. As winter transitions into spring, August maintains a relatively high humidity, comparable to September, and marks the end of a humid season before the levels gradually stabilize in the warmer months of October through December. Overall, the humidity in Porirua creates a distinct coastal climate, contributing to its lush, vibrant surroundings throughout the year.

August Average Humidity in Porirua

This chart illustrates the average monthly humidity levels in Porirua, 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 Porirua is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%79%80%84%86%86%83%83%82%82%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Porirua

As August rolls into Porirua, the UV Index shows a resurgence to 4, indicating a moderate level of sun exposure risk. This month stands out as a transition from the lower values of winter, previously recorded at 2 in June and July, to a more active position that reminds residents to take care when outdoors. With a burn time of 30 minutes, it's essential to enjoy the warmer days while also being mindful of UV exposure. Compared to the soaring extremes seen in the summer months, August's UV levels reaffirm the importance of adjusting sun protection strategies as the season shifts. For more detailed insights on UV levels throughout the year, visit Porirua UV Index.

Maximum UV Index Levels in Porirua for August

The chart shows the monthly maximum UV Index (UVI) for Porirua 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 Porirua typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313974224691013
Data source: Porirua 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 Porirua

August in Porirua, New Zealand, brings a pleasant transition towards brighter days, with an average of 226 hours of sunshine. While this is a dip from the sun-soaked heights of summer—such as 287 hours in January and 311 hours in November—the month still offers a respectable amount of rays compared to the drearier winter months. This gradual uptick in daylight hours sets the stage for a vibrant spring, reminiscent of the 250 hours of sunshine seen in September. As Porirua warmth begins to return, the community can look forward to longer, sun-kissed days that help shake off the winter chill, paving the way for more outdoor activities and a renewed energy.

Monthly Sunshine Duration in Porirua: August Highlighted

The August sunshine duration represents the total number of hours Porirua 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.
JanFebMarAprMayJunJulAugSepOctNovDec287h297h278h237h207h169h193h226h250h286h311h336h
Data source: Porirua August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porirua During August

In August, the chance of sunny weather in Porirua, New Zealand, holds steady at 45%, mirroring the somewhat overcast atmosphere typical of winter. This month sees a slight uptick in sunshine compared to the colder months of June and October, which dip to 34% and 33%, respectively. Interestingly, August’s sunny prospects align closely with July at 45% and surpass those of May and November. As Porirua transitions into spring, the likelihood of sun begins to rise gradually, promising brighter days ahead. While sunshine isn't guaranteed, August's forecasts still hint at pleasant moments to relish the outdoors amidst the lingering winter cool.

Percentage of Sunny Days in August in Porirua

The chart illustrates the percentage of sunny days in Porirua 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 Porirua experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%48%47%53%44%34%45%45%47%33%40%38%
Data source: Porirua August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porirua in August

In Porirua, New Zealand, the daylight duration in August marks a subtle but significant transition as it climbs to 10 hours of light. Following the shorter days of winter, August heralds a gradual increase in daylight that continues into spring. The pattern of the year reveals a steady decline from 14 hours in January, dipping to a low of 9 hours in June through July, before beginning its ascent once more. This trend signifies a seasonal shift as daylight extends into September, foreshadowing the longer, brighter days of spring and summer ahead. The gradual return of sunlight not only brightens the atmosphere but also rekindles the vibrancy of life in the region.

Average Daylight Hours in Porirua for August

The chart illustrates the variation in daylight duration in Porirua throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 44m13h 40m12h 19m10h 57m9h 48m9h 14m9h 31m10h 30m11h 48m13h 11m14h 24m15h 3m
Data source: Porirua daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Porirua

In August, Porirua, New Zealand, often experiences its most gusty days of the year, with an average wind speed of 8.1 m/s (approximately 18 mph), making it a noticeable shift from the milder conditions of the previous months. As winter wanes, this increase sets the stage for a brisk transition into spring, with winds continuing to pick up momentum into September at 8.9 m/s (20 mph). This upward trend in wind speed from the start of the year culminates as the region prepares for the warmer months, with notable gusts that can invigorate the landscape and activities outdoors. Meanwhile, August also serves as a reminder of the dynamic climate of Porirua, encapsulating the rugged beauty and natural energy of New Zealand’s windswept coastline.

Average August Wind Speed in Porirua

The chart displays monthly wind speed patterns in Porirua, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.76.66.97.17.47.66.98.1 m/s8.97.18.37.5
Data source: Porirua August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Porirua Compares to Other Months

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

August and January present contrasting weather patterns, highlighting the seasonal changes. In August, temperatures are noticeably cooler, with a minimum of 6°C (43°F) and a maximum of 14°C (57°F), while in January, the temperatures are milder, ranging from 11°C (52°F) to a comfortable 23°C (73°F). August experiences more significant rainfall, with 89 mm (3.5 in) over 12 days, compared to January's lighter precipitation of 33 mm (1.3 in) over just 6 days. Additionally, humidity levels are slightly higher in August at 83%, versus 79% in January. For a more detailed look at January weather, check out Porirua weather in January.

In August, the weather is notably cooler, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 14°C (57°F). The month experiences higher precipitation, averaging 89 mm (3.5 in) over 12 days, alongside a humidity level of 83%. In contrast, February sees warmer conditions with temperatures between 12°C (54°F) and 22°C (72°F), combined with less rainfall at 69 mm (2.7 in) over just 6 days. The humidity in February is slightly lower at 79%, contributing to a more comfortable climate. For more detailed information about February weather, visit Porirua weather in February.

In August, the weather tends to be cooler, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 14°C (57°F) and an average of 11°C (52°F). The month also sees about 89 mm (3.5 in) of precipitation spread over 12 days, along with a relatively high humidity level of 83%. In contrast, March enjoys milder conditions, featuring a temperature range from 11°C (51°F) to 20°C (69°F), with an average temperature of 16°C (61°F). Precipitation during this month is slightly less at 76 mm (3.0 in), occurring over 9 days, and the humidity is a bit lower at 79%. For a more detailed comparison, you can find further insights here: Porirua weather in March.

When comparing the weather in April and August, April generally offers milder temperatures with a minimum of 9°C (48°F) and an average of 15°C (59°F), compared to August's cooler minimum of 6°C (43°F) and an average of 11°C (52°F). Additionally, the maximum temperature in April reaches up to 19°C (67°F), while August peaks at 14°C (57°F). Although April experiences slightly more precipitation at 104 mm (4.1 in) over 10 days, August has a comparable 89 mm (3.5 in) spread over 12 days, making it slightly wetter overall. Humidity in both months is similar, with April at 80% and August at 83%. For more detailed weather insights, you can check Porirua weather in April.

When comparing the weather in August and May, one can observe that August is slightly cooler, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 14°C (57°F), while May has a more comfortable average, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 17°C (64°F). Both months experience similar precipitation, with August receiving 89 mm (3.5 in) over 12 days and May slightly less at 88 mm (3.5 in) over 11 days. Humidity levels are quite similar as well, with August having 83% and May at 84%. For a more detailed look at the climate characteristics of May in this region, you can visit Porirua weather in May.

In comparing August and June weather, both months exhibit cool temperatures, but June tends to be slightly warmer on average. In June, temperatures range from a minimum of 7°C (45°F) to a maximum of 16°C (61°F), while in August, they range from a minimum of 6°C (43°F) to a maximum of 14°C (57°F). Precipitation is relatively high in both months, with June receiving 101 mm (4.0 in) and August slightly less at 89 mm (3.5 in), both spread over 12 days. Humidity levels are quite comparable as well, with June at 86% and August at 83%. For more details on June weather, check out Porirua weather in June.

In comparison to July, August experience slightly cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 14°C (57°F), whereas July had temperatures ranging from a minimum of 7°C (44°F) to a maximum of 15°C (59°F). Both months have similar average temperatures at 11°C (52°F). When it comes to precipitation, August was somewhat drier with 89 mm (3.5 in) over 12 days, compared to July's 108 mm (4.3 in) over 13 days. Humidity levels were also high during both months, with August at 83% and July slightly higher at 86%. For more detailed information about the weather in July, check out Porirua weather in July.

August and September share similar weather patterns, with both months exhibiting an average temperature of 11°C (52°F). August tends to be slightly cooler, with a minimum temperature of 6°C (43°F) and a maximum of 14°C (57°F), whereas September sees a minor increase, with minimums of 7°C (44°F) and maximums reaching 15°C (59°F). Precipitation levels are also comparable, with August receiving 89 mm (3.5 in) over 12 days and September slightly less at 85 mm (3.4 in) over the same number of days. Both months maintain a high humidity level of 83%, contributing to a generally cool and damp atmosphere. For a more detailed overview of weather trends, you can check Porirua weather in September.

In comparing the weather patterns of August and October, we can note that both months have relatively cool temperatures, with August recording a minimum of 6°C (43°F) and an average of 11°C (52°F), while October sees a slight increase, with a minimum of 6°C (44°F) and an average of 12°C (55°F). October also boasts higher maximum temperatures, reaching up to 16°C (61°F) compared to August’s maximum of 14°C (57°F). Additionally, October experiences less precipitation, totaling 72 mm (2.8 in) over 11 days, compared to August's 89 mm (3.5 in) over 12 days. The humidity remains quite similar, with August at 83% and October slightly lower at 82%. For more details on October's weather, you can visit Porirua weather in October.

In comparing the weather between August and November, we see a noticeable shift in temperatures and precipitation patterns. August typically experiences cooler conditions, with minimum temperatures around 6°C (43°F) and an average of 11°C (52°F), while November offers milder temperatures, with a minimum of 9°C (49°F) and an average of 14°C (57°F). Additionally, November tends to be drier, with 73 mm (2.9 in) of precipitation over 10 days, compared to August's wetter conditions of 89 mm (3.5 in) over 12 days. Humidity levels remain fairly consistent, at 83% in August and slightly lower at 82% in November, contributing to a more comfortable atmosphere in late spring. For more specific insights about November weather in Porirua, check out Porirua weather in November.

The weather in August is noticeably cooler compared to December, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 14°C (57°F), while December enjoys milder temperatures that range from a minimum of 10°C (51°F) to a maximum of 20°C (68°F). Additionally, while August sees 89 mm (3.5 in) of precipitation over 12 days, December has a slightly higher precipitation level of 101 mm (4.0 in) across 11 days. Humidity levels are similar, with August at 83% and December slightly lower at 81%. For more detailed information on December weather, visit Porirua weather in December.

Compare Porirua's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Porirua

As August settles in Porirua, the weather undergoes a noticeable shift, bringing with it a cooler embrace compared to the preceding months. With temperatures averaging around 11°C, this month often feels brisk, especially during those chilly mornings and evenings. The high humidity levels at 83% contribute to a rawness in the air, making the occasional 89 mm of precipitation over 12 days all the more palpable. Unlike the milder days of spring and summer, August is characterized by its frequent rain showers and a distinctly cooler atmosphere, inviting residents to cozy up indoors and appreciate the beauty of the season. For a deeper dive into Porirua's climate trends throughout the year, check out Porirua Climate.