nomadseason

April Weather in Oldcastle, Ireland

Last updated: August 23, 2025

In Oldcastle, Ireland, the average temperature in April hovers around 8°C (47°F). While you may experience chilly days with a minimum of -3°C (28°F), it's possible to enjoy warmer afternoons reaching up to 21°C (70°F). Expect about 52 mm (2.0 in) of precipitation spread across 10 days, accompanied by a high average humidity of 85%. Be prepared for a mix of cool and damp conditions!

April Temperature in Oldcastle

In April in Oldcastle, the average temperature is 8°C (47°F). Maximums can reach 21°C (70°F), while minimums can dip as low as -3°C (28°F). This temperature variation makes Oldcastle a great destination for travelers looking for a mix of mild and brisk weather.

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

The chart illustrates April temperature patterns in Oldcastle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oldcastle, April typically has an average temperature of 8°C (47°F), with highs reaching up to 21°C (70°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec424344475257605956504543
Data source: Temperature data for Oldcastle generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Oldcastle

In Oldcastle in April, the precipitation amount is 52 mm (2.0 in) over the course of 10 days.

April Precipitation Trends in Oldcastle

The chart displays monthly precipitation patterns in Oldcastle, 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 Oldcastle, April typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec6198895272888212177869096
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Oldcastle

In Oldcastle in April 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.

April Average Humidity in Oldcastle

This chart illustrates the average monthly humidity levels in Oldcastle, 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 Oldcastle is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Oldcastle

In Oldcastle in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Oldcastle.

Maximum UV Index Levels in Oldcastle for April

The chart shows the monthly maximum UV Index (UVI) for Oldcastle 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 Oldcastle typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Oldcastle 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 Oldcastle Compares to Other Months

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

This table compares monthly weather conditions in Oldcastle, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)61 mm (2.4 inches)85%low
February Weather6°C (43°F)98 mm (3.9 inches)86%low
March Weather7°C (44°F)89 mm (3.5 inches)86%moderate
April Weather8°C (47°F)52 mm (2.0 inches)85%moderate
May Weather11°C (53°F)72 mm (2.8 inches)83%high
June Weather14°C (58°F)88 mm (3.5 inches)85%very high
July Weather16°C (60°F)82 mm (3.2 inches)86%very high
August Weather15°C (59°F)121 mm (4.8 inches)85%high
September Weather13°C (56°F)77 mm (3.0 inches)86%moderate
October Weather10°C (51°F)86 mm (3.4 inches)87%moderate
November Weather7°C (46°F)90 mm (3.6 inches)86%low
December Weather6°C (43°F)96 mm (3.8 inches)84%low

Compare Oldcastle's Climate with Cities Worldwide