July Weather in Helensville, New Zealand

Last updated: August 31, 2025

In July, the average temperature in Helensville, New Zealand hovers around 13°C (55°F), with minimums dipping to 7°C (45°F) and maximums rising to 18°C (64°F). Expect approximately 120 mm (4.7 in) of precipitation spread over 14 days, adding to the overall humidity level of 83%. Perfect for those who love a cozy, rainy atmosphere!

July Temperature in Helensville

In July in Helensville, the average temperature is 13°C (55°F), with maximums reaching 18°C (64°F) and minimums dropping as low as 7°C (45°F). This mild weather makes Helensville an ideal destination for travelers seeking a comfortable climate to explore and enjoy outdoor activities.

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

The chart illustrates July temperature patterns in Helensville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Helensville, July typically has an average temperature of 13°C (55°F), with highs reaching up to 18°C (64°F) and lows dropping to around 7°C (45°F).

Data source: Temperature data for Helensville generated using information from the Copernicus Climate Change Service.

July Precipitation in Helensville

In Helensville in July, the precipitation amount is 120 mm (4.7 in) over the course of 14 days.

July Precipitation Trends in Helensville

The chart displays monthly precipitation patterns in Helensville, 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 Helensville, July typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Helensville

In Helensville in July humidity is 83%. With an average temperature of 13°C (55°F), this humidity feels like a damp embrace, often leaving travelers feeling slightly sticky and in need of frequent breaks in the shade.

July Average Humidity in Helensville

This chart illustrates the average monthly humidity levels in Helensville, 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 Helensville is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Helensville

In Helensville in July, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Helensville, you can check the information here.

Maximum UV Index Levels in Helensville for July

The chart shows the monthly maximum UV Index (UVI) for Helensville 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 Helensville typically reaches 3, which falls under the moderate exposure category.

Data source: Helensville 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.

How July Weather in Helensville Compares to Other Months

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

This table compares monthly weather conditions in Helensville, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	55 mm (2.2 inches)	79%	extreme
February Weather	21°C (69°F)	75 mm (2.9 inches)	76%	extreme
March Weather	20°C (67°F)	85 mm (3.3 inches)	74%	very high
April Weather	18°C (64°F)	104 mm (4.1 inches)	74%	high
May Weather	15°C (60°F)	95 mm (3.7 inches)	80%	moderate
June Weather	14°C (57°F)	111 mm (4.4 inches)	82%	moderate
July Weather	13°C (55°F)	120 mm (4.7 inches)	83%	moderate
August Weather	13°C (55°F)	130 mm (5.1 inches)	80%	moderate
September Weather	13°C (56°F)	116 mm (4.6 inches)	80%	high
October Weather	15°C (59°F)	85 mm (3.4 inches)	80%	very high
November Weather	17°C (62°F)	80 mm (3.2 inches)	80%	extreme
December Weather	19°C (66°F)	71 mm (2.8 inches)	78%	extreme