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April Weather in Belfast, South Africa

Last updated: August 31, 2025

In April, the average temperature in Belfast, South Africa is a pleasant 15°C (59°F). Daily highs can reach up to 27°C (82°F), while nighttime lows dip to about 4°C (40°F). Expect 59 mm (2.3 in) of precipitation over 8 days, with an average humidity of 63% that adds a touch of freshness to the air.

April Temperature in Belfast

In April in Belfast, the average temperature is 15°C (59°F). The maximum can reach 27°C (82°F), while the minimum can drop as low as 4°C (40°F). This makes Belfast a pleasant destination for travelers seeking mild weather and comfortable conditions.

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

The chart illustrates April 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, April typically has an average temperature of 15°C (59°F), with highs reaching up to 27°C (82°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec656563595449495560616465
Data source: Temperature data for Belfast generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Belfast

In Belfast in April, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

April Precipitation Trends in Belfast

The chart displays monthly precipitation patterns in Belfast, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Belfast, April typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec120132605920513156592158
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Belfast

In Belfast in April humidity is 63%. With an average temperature of 15°C (59°F), this humidity feels like a refreshing embrace—ideal for leisurely strolls and exploration, though you might want a light jacket for the cooler moments.

April Average Humidity in Belfast

This chart illustrates the average monthly humidity levels in Belfast, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Belfast is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%65%64%64%65%61%64%61%65%61%68%72%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Belfast

In Belfast in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Belfast.

Maximum UV Index Levels in Belfast for April

The chart shows the monthly maximum UV Index (UVI) for Belfast in April, 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 April, the maximum UV index in Belfast typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161310867911131416
Data source: Belfast April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)120 mm (4.7 inches)70%extreme
February Weather18°C (65°F)132 mm (5.2 inches)65%extreme
March Weather17°C (63°F)60 mm (2.3 inches)64%extreme
April Weather15°C (59°F)59 mm (2.3 inches)63%very high
May Weather12°C (54°F)20 mm (0.8 inches)64%very high
June Weather9°C (49°F)5 mm (0.2 inches)61%high
July Weather9°C (49°F)1 mm (0.1 inches)64%high
August Weather13°C (55°F)3 mm (0.1 inches)61%very high
September Weather16°C (60°F)15 mm (0.6 inches)65%extreme
October Weather16°C (62°F)65 mm (2.6 inches)61%extreme
November Weather18°C (64°F)92 mm (3.6 inches)68%extreme
December Weather18°C (65°F)158 mm (6.2 inches)72%extreme

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