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April Weather in Belfast, New Zealand

Last updated: August 31, 2025

In April, the average temperature in Belfast, New Zealand reaches a comfortable 13°C (56°F). Expect a minimum of 6°C (42°F) and a maximum of 23°C (74°F), making it a perfect time for outdoor activities. However, be prepared for some rain, as 70 mm (2.8 in) of precipitation is expected over 8 days. With an average humidity of 77%, the weather can feel quite refreshing!

April Temperature in Belfast

In April in Belfast, the average temperature is 13°C (56°F). Maximums can reach 23°C (74°F) and minimums can drop as low as 6°C (42°F). This makes it a pleasant time to visit, so pack accordingly for a mix of mild and warmer days!

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 13°C (56°F), with highs reaching up to 23°C (74°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec636360565248464850535760
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 70 mm (2.8 in), spread over the course of 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 70 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec474055705266664746566881
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 77%. With average temperature 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities sweaty and uncomfortable.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%72%77%77%82%84%85%83%82%79%77%75%
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 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 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1312963223591012
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 Weather17°C (63°F)47 mm (1.8 inches)72%extreme
February Weather17°C (63°F)40 mm (1.6 inches)72%extreme
March Weather16°C (60°F)55 mm (2.2 inches)77%very high
April Weather13°C (56°F)70 mm (2.8 inches)77%high
May Weather11°C (52°F)52 mm (2.1 inches)82%moderate
June Weather9°C (48°F)66 mm (2.6 inches)84%low
July Weather8°C (47°F)66 mm (2.6 inches)85%low
August Weather9°C (48°F)46 mm (1.8 inches)82%moderate
September Weather10°C (50°F)46 mm (1.8 inches)82%moderate
October Weather12°C (53°F)56 mm (2.2 inches)79%very high
November Weather14°C (57°F)68 mm (2.7 inches)77%very high
December Weather16°C (61°F)81 mm (3.2 inches)75%extreme

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