July Weather in Greymouth, New Zealand

Last updated: August 31, 2025

In Greymouth, New Zealand, July offers a chilly climate characterized by maximum temperatures reaching 15°C (60°F), while the average hovers around a brisk 8°C (47°F), with nighttime lows dipping to about 0°C (33°F). Visitors should prepare for a wet month, as precipitation totals an impressive 251 mm (9.9 in) across 16 days, contributing to the region's lush landscapes. The high humidity levels of 87% can make the air feel particularly crisp, enhancing the overall winter ambiance.

July Temperature in Greymouth

In July, Greymouth, New Zealand experiences its coolest temperatures of the year, with average highs reaching only 15°C (60°F), making it a month of crisp, refreshing air. The minimum temperatures dip to 0°C (33°F), marking a noteworthy shift from the milder conditions of the preceding months. With an average temperature of 8°C (47°F), July serves as a precursor to the gradual warming that begins in August. This chilly month often brings the invigorating beauty of winter, setting the stage for outdoor adventures in the stunning coastal scenery of the West Coast. Overall, July’s temperatures highlight Greymouth’s unique climate, characterized by a distinct chill that invites both residents and visitors to cozy up and embrace the season.

July Weather in Greymouth: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Greymouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greymouth, July 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).
JanFebMarAprMayJunJulAugSepOctNovDec626261555248464850535760
Data source: Temperature data for Greymouth 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.

July Precipitation in Greymouth

In July, Greymouth experiences one of its wettest months, with an impressive 251 mm (9.9 in) of precipitation falling over 16 days. This substantial rainfall contributes to the coastal town's lush landscapes, reinforcing its reputation as one of New Zealand's rainiest locations. The trend of increasing precipitation from the preceding months is evident, as July marks a notable peak after May's 238 mm, setting the stage for the even wetter conditions that follow in September. As winter unfolds, the frequent rainfall not only nourishes the environment but also highlights the region's dramatic weather patterns and its vibrant, green scenery.

July Precipitation Trends in Greymouth

The chart displays monthly precipitation patterns in Greymouth, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Greymouth, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec202175213217238134251237262231257256
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Greymouth

In July, Greymouth experiences a consistent level of humidity at 87%, mirroring the preceding months of May and June. This pattern suggests a trend of elevated moisture in the winter months, creating a lush and vibrant environment typical of this coastal region. Following July, humidity begins to decline slightly in August to 85%, hinting at a gradual shift toward less humid conditions as spring approaches. The overall climate in Greymouth showcases a remarkable resilience of humidity levels, which remain notably high throughout most of the year, peaking during the mid-winter months.

July Average Humidity in Greymouth

This chart illustrates the average monthly humidity levels in Greymouth, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Greymouth is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%79%81%84%87%87%87%85%85%84%82%84%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Greymouth

In July, Greymouth, New Zealand, experiences a low UV Index of 2, which indicates a significantly reduced risk of harm from unprotected sun exposure. This pattern mirrors the previous month of June, where the UV Index was also at 2, suggesting a continued reprieve from the sun’s harsh rays during the heart of winter. As temperatures cool down, the burn time extends to a comfortable 45 minutes, allowing residents and visitors to enjoy outdoor activities without immediate concern for sunburn. This trend of decreased UV levels in winter months contrasts sharply with the summer peaks seen in January and February, where the Index spikes to a staggering 13, prompting extreme caution. For those looking to navigate the sun safety landscape effectively throughout the year, check out the full details at Greymouth UV Index.

Maximum UV Index Levels in Greymouth for July

The chart shows the monthly maximum UV Index (UVI) for Greymouth in July, 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 July, the maximum UV index in Greymouth typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313964224691012
Data source: Greymouth July 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.

July Sunshine in Greymouth

July in Greymouth, New Zealand, may seem modest with 177 hours of sunshine, but it marks a pivotal point in the shift toward brighter days. Following the winter months, where June saw a low of just 163 hours, July starts to hint at the return of warmth and light. As the year progresses, the trend becomes clear: sunshine increases consistently, with August climbing to 194 hours and leading into the vibrant spring months. This gradual rise in daylight serves as a reminder that even in the heart of winter, every hour of sunshine counts, setting the stage for the lively and sunny months ahead.

Monthly Sunshine Duration in Greymouth: July Highlighted

The July sunshine duration represents the total number of hours Greymouth experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec247h279h244h210h181h163h177h194h217h239h268h302h
Data source: Greymouth July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Greymouth During July

In Greymouth, New Zealand, the likelihood of encountering sunny weather in July hovers around 35%, which positions it slightly above the seasonal average for the winter months. This modest chance reflects a consistent trend seen in June and August, both similarly clocking in at 34%. Notably, the sunshine frequency dips in the spring and summer months, with October showcasing the lowest likelihood at only 23%. Interestingly, the data indicates a gradual increase in sunny days as the year progresses towards September, where the chance rises to 37%. Overall, while July may not guarantee abundant sunshine, it maintains a relatively stable prospect for enjoying brief sunlit moments amid the winter chill.

Percentage of Sunny Days in July in Greymouth

The chart illustrates the percentage of sunny days in Greymouth throughout the year, with July 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 Greymouth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%35%33%32%38%34%36%34%37%23%35%20%
Data source: Greymouth July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Greymouth in July

In Greymouth, New Zealand, July brings a continuation of the winter season, characterized by short daylight hours that remain consistent at 9 hours, mirroring the light available in June. This pattern reflects a gradual decline from the summer peak observed in January, where the sun graces the sky for a generous 14 hours. As winter progresses, daylight begins its slow ascent again in August, hinting at the promise of longer days ahead. Overall, the daylight trends illustrate a soothing rhythm of nature, transitioning from the vibrancy of summer towards the hushed stillness of midwinter, before gearing up for the spring revival.

Average Daylight Hours in Greymouth for July

The chart illustrates the variation in daylight duration in Greymouth throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 52m13h 44m12h 19m10h 54m9h 42m9h 6m9h 23m10h 26m11h 48m13h 14m14h 31m15h 12m
Data source: Greymouth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Greymouth

In July, Greymouth experiences a notable increase in wind speed, averaging 2.5 m/s (6 mph), slightly higher than the preceding months. This uptick marks a transition as the region moves towards the breezier spring months. With wind speeds generally fluctuating between 2.0 to 3.1 m/s throughout the year, July stands out for maintaining a robust air flow that is echoed in August, which shares the same average. As the winter chill begins to recede, the invigorating winds of July invite outdoor exploration while hinting at the breezes to come in the following months.

Average July Wind Speed in Greymouth

The chart displays monthly wind speed patterns in Greymouth, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.22.22.02.22.42.5 m/s2.53.12.32.63.0
Data source: Greymouth July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Greymouth Compares to Other Months

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

When comparing the weather in July and January, it’s clear that January is considerably warmer. In July, temperatures range from a chilly 0°C (33°F) to a maximum of 15°C (60°F), with an average of 8°C (47°F). Conversely, January experiences milder weather with temperatures starting at 7°C (45°F) and peaking at 26°C (80°F), averaging 16°C (62°F). Additionally, July sees more precipitation, with 251 mm (9.9 in) over 16 days, while January has 202 mm (7.9 in) over 15 days. Humidity levels are also slightly higher in July at 87%, compared to 81% in January. For a detailed look at the January conditions, check out Greymouth weather in January.

When comparing the weather in July and February, notable differences emerge in temperature and precipitation patterns. July experiences cooler temperatures, with averages ranging from a minimum of 0°C (33°F) to a maximum of 15°C (60°F) and a high level of precipitation at 251 mm (9.9 in) over 16 days, resulting in a humidity level of 87%. In contrast, February boasts warmer temperatures, averaging from a minimum of 6°C (43°F) to a maximum of 28°C (83°F), with less precipitation at 175 mm (6.9 in) across 13 days and a slightly lower humidity of 79%. These variations highlight the dynamics of the seasons, showcasing how July’s chill contrasts with February’s milder warmth. For a more detailed look at February's conditions, visit Greymouth weather in February.

In comparing the weather between March and July, we can see notable differences. July experiences cooler temperatures with a minimum of 0°C (33°F) and an average of 8°C (47°F), peaking at 15°C (60°F). This month is also characterized by significant rainfall, totaling 251 mm (9.9 in) over 16 days, along with high humidity levels at 87%. In contrast, March enjoys milder temperatures, starting from a minimum of 6°C (44°F) to a comfortable average of 16°C (61°F), and reaching a maximum of 24°C (76°F). Although March has slightly lower precipitation at 213 mm (8.4 in) across 15 days with a humidity of 81%, it generally feels much warmer and more pleasant. For more detailed information, you can check Greymouth weather in March.

In comparing the weather of July and April, notable differences emerge in temperature and precipitation. July tends to be cooler, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 15°C (60°F), whereas April showcases a much warmer average, with temperatures ranging from 2°C (36°F) to 22°C (72°F). Additionally, July experiences higher precipitation levels, totaling 251 mm (9.9 in) over 16 days compared to April's 217 mm (8.5 in) across 15 days. Humidity is also slightly higher in July at 87%, compared to 84% in April. For more detailed information about April weather, you can check Greymouth weather in April.

When comparing the weather in July and May, it's clear that May tends to be slightly warmer, with average temperatures reaching around 11°C (52°F) compared to July's average of 8°C (47°F). Additionally, May experiences higher maximum temperatures, peaking at 19°C (67°F), while July has a maximum of only 15°C (60°F). Both months show a similar pattern in humidity, sitting at 87%, and the precipitation levels are fairly close, with July receiving 251 mm (9.9 in) over 16 days and May having 238 mm (9.4 in) also over 16 days. For more detailed information, you can check Greymouth weather in May.

In comparing the weather of June and July, we observe a notable increase in precipitation during July, with 251 mm of rain over 16 days compared to June's 134 mm over 12 days. While the average temperatures are quite similar, July's max temperature is lower at 15°C (60°F), compared to June's maximum of 18°C (65°F). Interestingly, both months have the same humidity level of 87%, keeping the air consistently damp. For a more detailed look at June weather, you can visit Greymouth weather in June.

In comparing the weather of July and August, we see a slight increase in average temperatures as August presents a minimum of 0°C (33°F), an average of 9°C (49°F), and a maximum of 17°C (63°F), compared to July's minimum of 0°C (33°F), average of 8°C (47°F), and maximum of 15°C (60°F). Precipitation remains fairly high in both months, with July receiving 251 mm (9.9 in) over 16 days, while August sees a total of 237 mm (9.3 in) across 20 days. Humidity levels are relatively similar, with July at 87% and August slightly lower at 85%. For more detailed information, you can check out Greymouth weather in August.

July and September in Greymouth exhibit notable differences in weather patterns. In July, temperatures range from a minimum of 0°C (33°F) to a maximum of 15°C (60°F), averaging around 8°C (47°F), while September sees slightly warmer temperatures, with minimums and maximums of 0°C (32°F) and 18°C (64°F), respectively, and an average of 10°C (50°F). Precipitation levels remain high during both months, with July receiving 251 mm (9.9 in) over 16 days and September totaling 262 mm (10.3 in) across 17 days. Humidity levels are comparable, with July at 87% and September at 85%. For more detailed information, visit Greymouth weather in September.

In comparing the weather between July and October, we see notable differences in temperature and precipitation patterns. July experiences a cooler temperature range, with minimums dropping to 0°C (33°F) and maximums reaching only 15°C (60°F). It is also characterized by significant rainfall, averaging 251 mm (9.9 in) over 16 days and maintaining high humidity at 87%. In contrast, October brings milder conditions with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (68°F), and slightly less precipitation at 231 mm (9.1 in) over 20 days, with humidity at a comfortable 84%. For more details on October weather, you can visit Greymouth weather in October.

In comparing the weather patterns of July and November, we observe a notable shift in temperatures and conditions. July experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 8°C (47°F), while November boasts a milder minimum of 4°C (40°F) and an average of 14°C (57°F), peaking higher at 23°C (74°F). Both months exhibit similar precipitation levels, with July recording 251 mm (9.9 in) and November slightly higher at 257 mm (10.1 in), each having rainfall on about 16 days. Interestingly, November's humidity is just slightly lower at 82%, compared to July's 87%. For a more detailed look at November conditions in Greymouth, you can check Greymouth weather in November.

In July, the weather in Greymouth is characterized by cooler temperatures, with an average of 8°C (47°F) and a maximum of 15°C (60°F). This month sees considerable rainfall, with 251 mm (9.9 in) spread over 16 days, and a high humidity level of 87%. In contrast, December brings warmer conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 24°C (75°F) and an average of 16°C (61°F). Although December is slightly wetter, with 256 mm (10.1 in) of precipitation over 17 days, the humidity is slightly lower at 84%. For a more detailed look at December weather, you can check Greymouth weather in December.

Compare Greymouth's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Greymouth

July in Greymouth stands out as a chilly and wet month, with temperatures dipping lower than other times of the year, averaging around 8°C. The high humidity levels often amplify the coolness, making it feel even colder, while 251 mm of precipitation over 16 days ensures that frequent rain showers are a common sight. This substantial rainfall is a stark contrast to the drier summer months, making July one of the wettest periods in the region. For those seeking to understand the broader patterns of Greymouth's climate, Greymouth Climate offers comprehensive insights.