Last updated: August 31, 2025
In August, Greymouth, New Zealand experiences a cool and wet climate, characterized by a maximum temperature of 17°C (63°F) and an average of 9°C (49°F), dipping to a chilly minimum of 0°C (33°F). Rain dominates the month with precipitation totaling 237 mm (9.3 in) spread over 20 days, contributing to a humid atmosphere with levels reaching 85%. This mix of conditions makes August a time worthy of preparation, as the lush landscapes of Greymouth thrive under the consistent rainfall.
In August, temperatures in Greymouth, New Zealand, start to show signs of transition as winter begins to wane. The month kicks off with a chilly minimum of 0°C (33°F), yet the average temperature hovers around a brisk 9°C (49°F), peaking at a mild 17°C (63°F) during the day. This pattern reflects a general upward trend compared to the colder depths of July, paving the way for the impending warmth of spring. As the month progresses, temperatures inch closer to those found in early spring, signaling a welcome shift as daylight hours expand and the landscape comes alive with the promise of blooming flora.
August in Greymouth continues the trend of high precipitation characteristic of winter months, with 237 mm (9.3 in) of rainfall spread across 20 days. This makes it the second wettest month after July, which recorded 251 mm (9.9 in) of rain over 16 days. The consistent rainfall and increased number of wet days highlight a period of enhanced moisture, bridging the gap between the mid-winter deluge of July and the slightly drier conditions expected in September. As the South Island's west coast experiences these substantial totals, the lush, vibrant landscapes of Greymouth are nourished, making it a particularly picturesque time of year.
In August, Greymouth experiences a humidity level of 85%, which reflects a slight decrease from the peak of 87% observed in the previous three months. This month's humidity aligns closely with the humidity levels seen in September, suggesting a period of relative stability as winter transitions to spring. Notably, humidity levels in Greymouth demonstrate a gradual rise from the cooler early months of the year, such as January and February, when they hover around 81% and 79%, respectively. This trend highlights the region's characteristic dampness as the year progresses, emphasizing the coastal climate's influence throughout all seasons.
In August, Greymouth experiences a moderate UV Index of 4, indicating a burn time of 30 minutes for fair-skinned individuals. This marks a slight uptick from the previous months, with a trend toward increased UV exposure as spring approaches. As the year progresses, the UV Index generally rises, peaking at extreme levels during the summer months of January and February. With the UV Index expected to climb further in September, it's essential to stay informed about sun safety. For more detailed insights on UV levels throughout the year, visit Greymouth UV Index.
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In August, Greymouth experiences a gentle resurgence of sunshine with 194 hours of bright skies, following the quieter months of winter. This slight uptick in daylight aligns with a gradual increase leading into spring, presenting a welcome shift from the 163 hours in June and 177 hours in July. As the days grow longer, residents and visitors alike can savor the invigorating warmth that anticipates the vibrant days of spring, where sunshine continues to build towards a peak of 302 hours in December. The ebb and flow of sunlight across the year not only highlights the beauty of Greymouth’s climate but also invites a renewed appreciation for the outdoors as summer approaches.
In Greymouth, New Zealand, August brings a 34% chance of sunny weather, which is consistent with the overall trend of relatively moderate sunshine throughout the winter months. While it may feel a bit gloomy, being only slightly above the peaks seen in April and June, August's sunshine likelihood teeters on the edge of brighter days. Interestingly, as the seasons transition, the chance of sunshine begins to climb noticeably into September, reaching 37%, signaling the approach of spring and a slow farewell to the winter overcast. This gradual increase not only brightens the skies but also offers the promise of warmer days ahead, making August a fine time to embrace the beauty of the West Coast before the sun makes a more pronounced return.
In Greymouth, New Zealand, August marks a pivotal transition in daylight hours, with the duration returning to 10 hours. This subtle increase follows the mid-winter months of June and July, which consistently offer just 9 hours of light, fostering a cozy yet quiet atmosphere. As the year progresses from August into September, the days gradually grow longer, culminating in a remarkable 15 hours of daylight by December. This seasonal rhythm highlights the beautiful ebb and flow of New Zealand's light, inviting both locals and visitors to embrace the slowly warming days ahead.
In August, Greymouth experiences a gentle breeze, with an average wind speed of 2.5 m/s (6 mph), mirroring the slightly elevated gusts of the preceding month. This period marks a subtle transition as the winds begin to pick up slightly, setting the stage for the more pronounced breezes arriving in September at 3.1 m/s (7 mph). While the autumn months of April and May see the winds tapering down, August stands as a reminder of winter's lingering touch, before the spring airs sweep in to invigorate the landscape. Overall, the steady wind patterns showcase the region's maritime influence, creating a tranquil yet dynamic atmosphere that defines Greymouth’s unique coastal charm.
Weather in Greymouth varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Greymouth, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in August is significantly cooler and wetter compared to January. In August, temperatures range from a chilly 0°C (33°F) to a mild 17°C (63°F), with an average of 9°C (49°F). The month sees a high level of precipitation at 237 mm (9.3 in) over 20 days, accompanied by a humidity level of 85%. In contrast, January boasts much warmer temperatures, with lows of 7°C (45°F) and highs reaching 26°C (80°F), averaging 16°C (62°F). January experiences slightly less rainfall at 202 mm (7.9 in) over 15 days, and a humidity level of 81%. For more specific information, you can check Greymouth weather in January.
When comparing the weather in August and February, one can see notable differences. August experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 9°C (49°F), while February enjoys warmer weather, boasting a minimum of 6°C (43°F) and an average of 17°C (62°F). Precipitation is also more frequent in August, with 237 mm (9.3 in) falling over 20 days, compared to February's 175 mm (6.9 in) over just 13 days. Additionally, humidity is slightly higher in August at 85%, compared to February's 79%. For a more detailed look at February's climate, you can explore Greymouth weather in February.
When comparing the weather in August and March, notable differences emerge. August experiences cooler temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 17°C (63°F), with an average of 9°C (49°F). In contrast, March boasts a more moderate climate, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 24°C (76°F) and an average of 16°C (61°F). While August sees higher precipitation levels at 237 mm (9.3 in) over 20 days, March is slightly drier, with 213 mm (8.4 in) spread over 15 days. Humidity levels are also comparable, with August at 85% and March at 81%. For more specific details on March weather, you can visit Greymouth weather in March.
When comparing the weather in August and April, notable differences emerge. In August, temperatures range from a chilly 0°C (33°F) to a mild 17°C (63°F), with an average of 9°C (49°F). This month experiences substantial precipitation, totaling 237 mm (9.3 in) over 20 days, accompanied by high humidity at 85%. In contrast, April boasts warmer temperatures, with a minimum of 2°C (36°F), an average of 13°C (56°F), and a maximum of 22°C (72°F). Although April has less precipitation at 217 mm (8.5 in) over 15 days, its humidity remains slightly lower at 84%. For a more detailed look at the conditions in April, you can visit Greymouth weather in April.
August and May in Greymouth present similar yet distinct weather patterns. In August, temperatures range from a minimum of 0°C (33°F) to a maximum of 17°C (63°F), with an average of 9°C (49°F). Meanwhile, May tends to be slightly warmer, with temperatures ranging from 0°C (33°F) to 19°C (67°F) and an average of 11°C (52°F). Both months experience considerable rainfall, with August receiving approximately 237 mm (9.3 in) over 20 days, while May sees a comparable precipitation level of 238 mm (9.4 in) across 16 days. Humidity levels are also high in both months, at 85% for August and 87% for May. For more detailed weather information, you can visit Greymouth weather in May.
In comparing the weather of August and June, both months experience relatively cool temperatures, with minimums around 0°C (33°F) and average highs that hover between 17°C (63°F) in August and 18°C (65°F) in June. While August brings increased precipitation, totaling 237 mm (9.3 in) over 20 days, June is notably drier with 134 mm (5.3 in) spread across just 12 days. Humidity levels are quite similar, with August slightly lower at 85% compared to June’s 87%. For more detailed information, you can check out Greymouth weather in June.
In comparing the weather between July and August, we see a slight increase in average temperatures in August, rising from 8°C (47°F) in July to 9°C (49°F). August also experiences a higher maximum temperature of 17°C (63°F) compared to July's 15°C (60°F). However, July has slightly more precipitation, with 251 mm (9.9 in) recorded over 16 days, while August sees 237 mm (9.3 in) over 20 days, leading to a more persistent drizzle throughout the month. The humidity levels remain relatively high, with August at 85% and July at 87%. For more detailed insights on July's weather, you can check Greymouth weather in July.
In comparing the weather between August and September, both months exhibit similar patterns, with average temperatures gradually increasing. August features a minimum temperature of 0°C (33°F), an average of 9°C (49°F), and a maximum of 17°C (63°F), while September sees a slight rise, with an average of 10°C (50°F) and a maximum of 18°C (64°F). Precipitation is higher in September, totaling 262 mm (10.3 in) over 17 days, compared to August's 237 mm (9.3 in) over 20 days. Humidity remains constant at 85% for both months, indicating a persistently damp atmosphere. For more details, check Greymouth weather in September.
In August, Greymouth experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 9°C (49°F), peaking at 17°C (63°F). The humidity is notably high at 85%, accompanied by significant rainfall of 237 mm (9.3 in) over 20 days. In contrast, October brings slightly warmer conditions with a minimum of 2°C (36°F) and an average of 12°C (53°F), reaching a maximum of 20°C (68°F). While October's humidity remains similar at 84%, precipitation is slightly lower at 231 mm (9.1 in), still spread across 20 days. For more detailed insights into the October weather, you can check Greymouth weather in October.
When comparing the weather in August and November, notable differences emerge. August typically experiences cooler temperatures, with minimums dropping to 0°C (33°F) and an average of 9°C (49°F), while November offers slightly warmer conditions, with a minimum of 4°C (40°F) and an average of 14°C (57°F). Precipitation levels are somewhat comparable, with August receiving 237 mm (9.3 in) over 20 days, whereas November sees a bit more, measuring 257 mm (10.1 in) over 16 days. Humidity remains high in both months, but August has a slightly higher average at 85% compared to November's 82%. For more detailed insights, you can visit Greymouth weather in November.
In August, Greymouth experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 9°C (49°F), while December sees milder weather, with a minimum of 6°C (43°F) and an average of 16°C (61°F). Precipitation levels are relatively high in both months, with August receiving 237 mm (9.3 in) over 20 days and December recording slightly higher at 256 mm (10.1 in) over 17 days. Humidity remains consistent throughout the year, hovering around 85% in August and 84% in December, making the air feel similarly damp. For more detailed insights into December weather, you can visit Greymouth weather in December.
As August settles in Greymouth, residents and visitors alike experience a notable shift in the weather landscape. With cooler temperatures averaging around 9°C and a backdrop of high humidity at 85%, the month tends to feel brisk and damp. The frequent precipitation, with rain gracing approximately two-thirds of the days, sets this month apart from the drier summer months, contributing to the lush scenery that the region is known for. If you're planning a visit, be prepared for unpredictable weather, as August embodies the essence of a typical West Coast winter. For more insights into the overall climate and how it varies throughout the year, check out Greymouth Climate.