July Weather in Hamilton, New Zealand

Last updated: August 31, 2025

In Hamilton, New Zealand, July brings a blend of cool temperatures and considerable rainfall. The maximum temperature hovers around 18°C (65°F), while the average dips to a brisk 10°C (50°F), reaching a chilly minimum of -3°C (27°F) at times. This month sees significant precipitation, totaling 131 mm (5.1 in) over 13 wet days, contributing to the region's lush scenery. Accompanied by high humidity levels at 82%, the weather invites a cozy atmosphere perfect for enjoying indoor activities and savoring the beauty of winter in this vibrant city.

July Temperature in Hamilton

In July, Hamilton, New Zealand, experiences its coldest month of the year, with temperatures dipping to a minimum of -3°C (27°F) and reaching a maximum of 18°C (65°F). The average temperature hovers around 10°C (50°F), marking a noticeable drop compared to the milder preceding months. This chill is a stark contrast to the warmth of summer, where highs soar to the upper 20s°C. As winter settles in, residents might find themselves bundling up, yet the crisp air offers a unique charm as the landscape transforms under a cooler palette. This shift also heralds the advent of winter's cozy moments, making the warmth of indoor gatherings all the more inviting.

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

The chart illustrates July temperature patterns in Hamilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamilton, 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).
JanFebMarAprMayJunJulAugSepOctNovDec676865605552505254576166
Data source: Temperature data for Hamilton 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 Hamilton

July marks a notable point in Hamilton, New Zealand’s precipitation cycle, with 131 mm (5.1 in) of rain falling over 13 days. This increase illustrates a significant upward trend as July's rainfall peaks, outpacing the preceding months, reflecting the winter's climatic influence. Following June's 104 mm, the transition into July showcases a seamless continuation of the wet season, with rainfall contributing to the lush, green landscapes characteristic of the region. As Hamilton moves into August with an anticipated 149 mm, it becomes clear that the heart of winter brings not only chilling temperatures but also a surge in precipitation, laying the groundwork for the vibrant spring ahead.

July Precipitation Trends in Hamilton

The chart displays monthly precipitation patterns in Hamilton, 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 Hamilton, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec56819511710710413114912010787113
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Hamilton

In July, Hamilton, New Zealand experiences an increase in humidity, reaching 82%, which marks the peak for the winter months. This rise from the previous month, June's 81%, indicates a pattern where humidity tends to escalate slightly during mid-winter. Notably, May shows a significant increase to 79%, suggesting that the months leading into winter are generally more humid. As the year progresses, humidity generally tapers off towards spring and summer, with lower averages in the earlier months of the year. Overall, July's humidity stands out as the highest point, setting a damp tone for the season.

July Average Humidity in Hamilton

This chart illustrates the average monthly humidity levels in Hamilton, 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 Hamilton is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%73%73%73%79%81%82%79%77%76%75%74%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Hamilton

In July, Hamilton experiences a moderate UV Index of 3, which means that while sun exposure is generally safe, it's still wise to take precautions if you're spending extended time outdoors. This trend mirrors the previous month of June, suggesting a consistent pattern during the winter season. With a burn time of around 30 minutes, residents and visitors alike should remain mindful of their skin's vulnerability, particularly during midday hours. As winter progresses into spring, one can expect a gradual increase in UV levels, peaking as summer approaches. Stay informed about the UV Index to enjoy Hamilton's outdoor beauty safely by visiting Hamilton UV Index.

Maximum UV Index Levels in Hamilton for July

The chart shows the monthly maximum UV Index (UVI) for Hamilton 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 Hamilton typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141410743357101113
Data source: Hamilton 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 Hamilton

In July, Hamilton, New Zealand, enjoys a refreshing burst of sunshine, clocking in an impressive 198 hours of bright, cheerful daylight. This month serves as a transitional phase, where the daylight begins to gradually increase after the winter solstice. While July sees fewer sunshine hours than the vibrant summer months of January and February, the 198 hours still represent a welcome contrast to the preceding months of June, which only recorded 175 hours. As Hamilton heads towards spring, the sunlight begins to reclaim its dominance, paving the way for the 223 hours expected in August. This upward trend in sunshine hours not only brings warmth but also ignites a sense of optimism as the days grow longer and brighter.

Monthly Sunshine Duration in Hamilton: July Highlighted

The July sunshine duration represents the total number of hours Hamilton 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.
JanFebMarAprMayJunJulAugSepOctNovDec273h267h261h227h203h175h198h223h245h263h289h329h
Data source: Hamilton July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hamilton During July

In Hamilton, New Zealand, July offers a 37% chance of sunny weather, a figure that mirrors the slightly variable trends seen throughout the winter months. Following a steady decline in sunshine likelihood from June's 32% to July, it sees a slight rebound in August with a 39% chance of sun. This pattern highlights the nuances of Hamilton's climate, where the mid-winter gloom struggles against the promise of early spring light. While July is not the sunniest month, it still provides a fair opportunity to enjoy the outdoors amidst the cooler temperatures.

Percentage of Sunny Days in July in Hamilton

The chart illustrates the percentage of sunny days in Hamilton 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 Hamilton experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%37%40%40%38%32%38%39%37%25%37%27%
Data source: Hamilton July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hamilton in July

In Hamilton, New Zealand, the month of July experiences a steady 9 hours of daylight, mirroring the shorter days of June. This period sits at the height of winter, where daylight is limited, contrasting sharply with the 14 hours of sunshine that graces the region in the peak of summer months like January and November. As winter gradually yields to spring, daylight duration begins to increase again in August, signaling a welcome return to longer days. This gradual transition hints at the cyclical nature of Hamilton's climate, where each month brings a predictable rhythm of light and darkness, shaping the seasonal landscape and the activities of its residents.

Average Daylight Hours in Hamilton for July

The chart illustrates the variation in daylight duration in Hamilton throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 25m13h 28m12h 17m11h 5m10h 5m9h 35m9h 49m10h 41m11h 50m13h 3m14h 8m14h 42m
Data source: Hamilton daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Hamilton

In Hamilton, New Zealand, July brings a slight uptick in the average wind speed, reaching 3.7 m/s (8 mph), making it one of the breezier months of the year. This seasonal shift highlights a gradual increase in wind strength as winter progresses, with speeds peaking in the following months, notably in September at 4.3 m/s (10 mph). As the year unfolds, Hamilton experiences a dynamic evolution of wind patterns, with the summer months generally quieter and the late winter into spring period becoming more invigorated. This trend not only enhances the charm of outdoor activities but also reflects the changing climate rhythms characteristic of this lively region.

Average July Wind Speed in Hamilton

The chart displays monthly wind speed patterns in Hamilton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.12.93.13.43.43.7 m/s3.94.34.23.23.8
Data source: Hamilton July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Hamilton Compares to Other Months

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

In July, the weather in Hamilton presents a stark contrast to January, with temperatures ranging from a chilly minimum of -3°C (27°F) to a mild maximum of 18°C (65°F). The month is characterized by significant precipitation, totaling 131 mm (5.1 in) over 13 days, coupled with a high humidity of 82%. In contrast, January boasts much warmer temperatures, with a minimum of 8°C (47°F) and a maximum reaching 29°C (85°F), making it the warmest month of the year. The precipitation in January is considerably lighter at 56 mm (2.2 in) over just 6 days, accompanied by a slightly lower humidity of 75%. For a detailed look at January weather patterns, you can visit Hamilton weather in January.

In comparing the weather of July and February, significant differences emerge. July experiences much cooler temperatures, ranging from a chilly minimum of -3°C (27°F) to a maximum of 18°C (65°F), with an average of 10°C (50°F). The month also sees considerable rainfall, with 131 mm (5.1 inches) over 13 days and high humidity levels at 82%. In contrast, February boasts a much warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), averaging 20°C (68°F). The precipitation in February is noticeably less at 81 mm (3.2 inches) over 9 days, accompanied by a lower humidity of 73%. For a closer look at the weather specifics in February, you can check out Hamilton weather in February.

When comparing the weather in July and March, it is evident that March offers significantly warmer temperatures. In March, the minimum temperature averages around 7°C (45°F), with a pleasant maximum reaching 29°C (84°F), while July sees colder conditions, with a minimum of -3°C (27°F) and a maximum of 18°C (65°F). Additionally, March experiences less precipitation, totaling 94 mm (3.7 in) over about 10 days compared to July's 131 mm (5.1 in) over 13 days. Humidity levels are also lower in March at 73%, compared to July's higher 82%. For a detailed look at the weather specifics, you can check out the Hamilton weather in March.

In comparing the weather between July and April, we see notable differences in temperature and humidity. July experiences cooler temperatures, with a minimum of -3°C (27°F) and an average of 10°C (50°F), reaching a maximum of only 18°C (65°F). In contrast, April boasts a warmer climate, with temperatures ranging from a minimum of 4°C (39°F) to an average of 15°C (60°F) and a maximum of 24°C (75°F). Precipitation levels are somewhat similar, with July receiving 131 mm (5.1 in) over 13 days and April receiving 117 mm (4.6 in) across 11 days. Additionally, July's humidity is higher at 82%, compared to April's 73%. For more detailed information, you can check the following link: Hamilton weather in April.

In comparing the weather conditions of May and July, we can observe some notable differences. May typically experiences slightly warmer temperatures, with an average of 13°C (55°F) and a maximum of 22°C (71°F), while July's average is cooler at 10°C (50°F), peaking at 18°C (65°F). Additionally, May has less precipitation, at 107 mm (4.2 in) over 11 days, compared to July's 131 mm (5.1 in) over 13 days, indicating a wetter month later in the season. Humidity levels are also comparable, with May at 79% and July higher at 82%. For more detailed information on May weather, you can check Hamilton weather in May.

In comparing the weather between July and June, July experienced slightly colder temperatures, with an average of 10°C (50°F) compared to June's 11°C (52°F). The maximum temperature in July reached only 18°C (65°F), which is a degree cooler than June's maximum of 20°C (68°F). Precipitation was also higher in July, accumulating 131 mm (5.1 in) over 13 days, while June saw 104 mm (4.1 in) over 12 days. Humidity levels were quite similar, with July at 82% and June at 81%. For more details, you can check Hamilton weather in June.

In July, Hamilton experiences cooler temperatures with a minimum of -3°C (27°F) and an average of 10°C (50°F), peaking at 18°C (65°F). The month is relatively wet, receiving 131 mm (5.1 in) of precipitation over 13 days, coupled with a humidity level of 82%. In contrast, August sees slightly cooler temperatures, with a minimum of -4°C (25°F) and an average of 11°C (52°F), while the maximum remains consistent at 18°C (64°F). Precipitation increases to 149 mm (5.9 in), occurring over 16 days, and humidity decreases slightly to 79%. For more detailed insights, check out Hamilton weather in August.

In July, the weather is cooler with minimum temperatures dipping to -3°C (27°F) and an average of 10°C (50°F), while maximum temperatures reach only 18°C (65°F). The month is quite rainy, experiencing 131 mm (5.1 in) of precipitation over 13 days, coupled with high humidity at 82%. In contrast, September brings a slight warming trend with minimum temperatures around 0°C (32°F) and an average of 12°C (54°F), while maximum temperatures can go up to 20°C (68°F). Precipitation decreases slightly to 119 mm (4.7 in), though it occurs on 15 days, and humidity levels fall to 77%. For more detailed insights, check out Hamilton weather in September.

In comparing the weather between July and October, one can note several key differences. July tends to be cooler, with average temperatures ranging from a chilly -3°C (27°F) to a maximum of 18°C (65°F), while in October, temperatures are more mild, fluctuating between 3°C (37°F) and 22°C (72°F). Additionally, July experiences higher humidity at 82% and more substantial precipitation, totaling 131 mm (5.1 in) over 13 days. In contrast, October has slightly less rain, with 107 mm (4.2 in) over 14 days, and a lower humidity level of 76%. For a detailed look at what to expect, you can visit Hamilton weather in October.

July and November exhibit distinct weather patterns, highlighting the transition from winter to late spring. In July, temperatures range from a chilly -3°C (27°F) at night to a mild 18°C (65°F) during the day, with an average of 10°C (50°F). This month sees considerable precipitation, totaling 131 mm (5.1 in) over 13 days, coupled with high humidity at 82%. In contrast, November experiences significantly warmer temperatures, with nighttime lows of 6°C (43°F) and daytime highs reaching 27°C (80°F), averaging 16°C (62°F). Rainfall is lighter in November, with 87 mm (3.4 in) over 12 days and decreased humidity at 75%. For more detailed information about the weather in November, visit Hamilton weather in November.

When comparing the weather in July and December, notable differences emerge. July typically sees cooler temperatures with a minimum of -3°C (27°F) and an average of 10°C (50°F), while December brings warmer conditions, starting at a minimum of 5°C (42°F) and averaging 19°C (66°F). The maximum temperatures in July reach only 18°C (65°F), whereas December can soar to 27°C (81°F). Precipitation is fairly consistent between the two months, with July receiving about 131 mm (5.1 in) and December slightly less at 112 mm (4.4 in), both experiencing rain on approximately 13 days. Added to this, July's humidity is higher at 82%, compared to December's 74%. For more detailed insights, check Hamilton weather in December.

Compare Hamilton's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Hamilton

As July descends upon Hamilton, residents witness a significant shift in weather patterns compared to the other months of the year. The temperatures are notably cooler, with chilly lows reminding us of winter's grasp. While humidity remains high, the frequent rainy days, totaling over half the month, contribute to a damp atmosphere that contrasts sharply with the drier summer months. As you explore July in Hamilton, be prepared for brisk conditions and a lush, verdant landscape rejuvenated by the abundant 131 mm of precipitation. To better understand the broader climate context and how July fits within it, check out Hamilton Climate.