March Weather in Belfast, South Africa

Last updated: August 31, 2025

In March, the average temperature in Belfast, South Africa is a mild 17°C (63°F), making it a pleasant time to explore. Expect temperatures to fluctuate between a minimum of 7°C (44°F) and a maximum of 29°C (84°F). During this month, you can anticipate around 60 mm (2.3 in) of precipitation spread over 10 days, contributing to an average humidity of 64%. Pack accordingly to enjoy the best of what this vibrant location has to offer!

March Temperature in Belfast

In March in Belfast, the average temperature is 17°C (63°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop to as low as 7°C (44°F). This makes it a great month for travelers seeking mild weather and outdoor activities.

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

The chart illustrates March 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, March typically has an average temperature of 17°C (63°F), with highs reaching up to 29°C (84°F) and lows dropping to around 7°C (44°F).

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

March Precipitation in Belfast

In Belfast in March, the precipitation amount is 60 mm (2.3 in) over a span of 10 days.

March Precipitation Trends in Belfast

The chart displays monthly precipitation patterns in Belfast, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Belfast, March typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Belfast

In Belfast in March humidity is 64%. With an average temperature of 17°C (63°F), this humidity feels like a mild dampness that can make outdoor activities feel slightly muggy, but it's still comfortable for exploring the area.

March Average Humidity in Belfast

This chart illustrates the average monthly humidity levels in Belfast, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Belfast is approximately 64%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Belfast

In Belfast in March, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Belfast.

Maximum UV Index Levels in Belfast for March

The chart shows the monthly maximum UV Index (UVI) for Belfast in March, 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 March, the maximum UV index in Belfast typically reaches 13, which falls under the extreme exposure category.

Data source: Belfast March 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 March 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 March’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 March’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