June Weather in Belfast, South Africa

Last updated: August 31, 2025

In Belfast, South Africa, the average temperature in June hovers around 9°C (49°F). During this time, temperatures can fluctuate, with a minimum low of -4°C (25°F) and a maximum high of 23°C (73°F). Expect light precipitation, averaging just 5 mm (0.2 in) over 0 days, and enjoy moderate conditions with an average humidity of 61%.

June Temperature in Belfast

In June in Belfast, the average temperature is 9°C (49°F). Maximums can reach 23°C (73°F), and minimums can be as low as -4°C (25°F). This variation makes it essential for travelers to prepare for both mild and chilly weather during their visit.

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

The chart illustrates June 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, June typically has an average temperature of 9°C (49°F), with highs reaching up to 23°C (73°F) and lows dropping to around -4°C (25°F).

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

June Precipitation in Belfast

In Belfast in June, the precipitation amount is 5 mm (0.2 in) during a span of 0 days.

June Precipitation Trends in Belfast

The chart displays monthly precipitation patterns in Belfast, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Belfast, June typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 0 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Belfast

In Belfast in June, humidity is 61%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor excursions less comfortable and drawing you towards cozy indoor activities.

June Average Humidity in Belfast

This chart illustrates the average monthly humidity levels in Belfast, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Belfast is approximately 61%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Belfast

In Belfast in June, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Belfast, you can refer to this Hourly UV Index in Belfast.

Maximum UV Index Levels in Belfast for June

The chart shows the monthly maximum UV Index (UVI) for Belfast in June, 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 June, the maximum UV index in Belfast typically reaches 6, which falls under the high exposure category.

Data source: Belfast June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (65°F)	120 mm (4.7 inches)	70%	extreme
February Weather	18°C (65°F)	132 mm (5.2 inches)	65%	extreme
March Weather	17°C (63°F)	60 mm (2.3 inches)	64%	extreme
April Weather	15°C (59°F)	59 mm (2.3 inches)	63%	very high
May Weather	12°C (54°F)	20 mm (0.8 inches)	64%	very high
June Weather	9°C (49°F)	5 mm (0.2 inches)	61%	high
July Weather	9°C (49°F)	1 mm (0.1 inches)	64%	high
August Weather	13°C (55°F)	3 mm (0.1 inches)	61%	very high
September Weather	16°C (60°F)	15 mm (0.6 inches)	65%	extreme
October Weather	16°C (62°F)	65 mm (2.6 inches)	61%	extreme
November Weather	18°C (64°F)	92 mm (3.6 inches)	68%	extreme
December Weather	18°C (65°F)	158 mm (6.2 inches)	72%	extreme