April Weather in Castlefin, Ireland

Last updated: August 23, 2025

In Castlefin, Ireland, the average temperature in April hovers around 8°C (47°F), with lows dipping to -2°C (28°F) and highs reaching up to 20°C (69°F). Expect 60 mm (2.4 in) of precipitation over approximately 13 days, contributing to a high average humidity of 84%. Be prepared for a mix of chilly and damp conditions this time of year!

April Temperature in Castlefin

In April in Castlefin, the average temperature is 8°C (47°F), with maximums reaching 20°C (69°F) and minimums dipping as low as -2°C (28°F). Travelers should prepare for a mix of mild and chilly weather during this time.

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

The chart illustrates April temperature patterns in Castlefin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castlefin, April typically has an average temperature of 8°C (47°F), with highs reaching up to 20°C (69°F) and lows dropping to around -2°C (28°F).

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

April Precipitation in Castlefin

In Castlefin in April, the precipitation amount is 60 mm (2.4 in) over a span of 13 days.

April Precipitation Trends in Castlefin

The chart displays monthly precipitation patterns in Castlefin, 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 Castlefin, April typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 13 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Castlefin

In Castlefin in April, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.

April Average Humidity in Castlefin

This chart illustrates the average monthly humidity levels in Castlefin, 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 Castlefin is approximately 84%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Castlefin

In Castlefin 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 Castlefin.

Maximum UV Index Levels in Castlefin for April

The chart shows the monthly maximum UV Index (UVI) for Castlefin 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 Castlefin typically reaches 5, which falls under the moderate exposure category.

Data source: Castlefin 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 Castlefin Compares to Other Months

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

This table compares monthly weather conditions in Castlefin, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	72 mm (2.8 inches)	84%	low
February Weather	5°C (42°F)	115 mm (4.5 inches)	84%	low
March Weather	6°C (43°F)	100 mm (3.9 inches)	83%	moderate
April Weather	8°C (47°F)	60 mm (2.4 inches)	84%	moderate
May Weather	11°C (52°F)	80 mm (3.2 inches)	83%	high
June Weather	13°C (56°F)	101 mm (4.0 inches)	83%	very high
July Weather	15°C (59°F)	95 mm (3.7 inches)	86%	very high
August Weather	14°C (58°F)	138 mm (5.4 inches)	86%	high
September Weather	12°C (55°F)	86 mm (3.4 inches)	87%	moderate
October Weather	10°C (50°F)	104 mm (4.1 inches)	87%	moderate
November Weather	7°C (45°F)	94 mm (3.7 inches)	88%	low
December Weather	6°C (43°F)	102 mm (4.0 inches)	84%	low