July Weather in Belfast, New Zealand

Last updated: August 31, 2025

In July, the average temperature in Belfast, New Zealand hovers around 8°C (47°F). You can expect a minimum of 2°C (35°F) and a maximum of 15°C (59°F), creating a cool and crisp atmosphere. With 66 mm (2.6 in) of precipitation spread over 10 days, it's wise to be prepared for some rain. The average humidity level is a high 85%, adding to the refreshing vibe of the season.

July Temperature in Belfast

In July in Belfast, the average temperature is 8°C (47°F). Maximums can reach 15°C (59°F), while minimums can drop as low as 2°C (35°F). Be sure to pack layers to stay comfortable while exploring the area.

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

The chart illustrates July temperature patterns in Belfast, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belfast, July typically has an average temperature of 8°C (47°F), with highs reaching up to 15°C (59°F) and lows dropping to around 2°C (35°F).

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

July Precipitation in Belfast

In Belfast in July, the precipitation amount is 66 mm (2.6 in) over the course of 10 days.

July Precipitation Trends in Belfast

The chart displays monthly precipitation patterns in Belfast, 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 Belfast, July typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 10 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 Belfast

In Belfast in July humidity is 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.

July Average Humidity in Belfast

This chart illustrates the average monthly humidity levels in Belfast, 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 Belfast is approximately 85%, 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 Belfast

In Belfast in July, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Belfast, you can visit Hourly UV Index in Belfast.

Maximum UV Index Levels in Belfast for July

The chart shows the monthly maximum UV Index (UVI) for Belfast 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 Belfast typically reaches 2, which falls under the low exposure category.

Data source: Belfast 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 Belfast Compares to Other Months

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

This table compares monthly weather conditions in Belfast, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	47 mm (1.8 inches)	72%	extreme
February Weather	17°C (63°F)	40 mm (1.6 inches)	72%	extreme
March Weather	16°C (60°F)	55 mm (2.2 inches)	77%	very high
April Weather	13°C (56°F)	70 mm (2.8 inches)	77%	high
May Weather	11°C (52°F)	52 mm (2.1 inches)	82%	moderate
June Weather	9°C (48°F)	66 mm (2.6 inches)	84%	low
July Weather	8°C (47°F)	66 mm (2.6 inches)	85%	low
August Weather	9°C (48°F)	46 mm (1.8 inches)	82%	moderate
September Weather	10°C (50°F)	46 mm (1.8 inches)	82%	moderate
October Weather	12°C (53°F)	56 mm (2.2 inches)	79%	very high
November Weather	14°C (57°F)	68 mm (2.7 inches)	77%	very high
December Weather	16°C (61°F)	81 mm (3.2 inches)	75%	extreme