June Weather in Castletown, Ireland

Last updated: August 23, 2025

In June, the average temperature in Castletown, Ireland is a comfortable 14°C (57°F). Expect a minimum of 6°C (43°F) and a maximum of 25°C (77°F). The month brings about 67 mm (2.6 in) of precipitation over 13 days, resulting in an average humidity of 85%. Enjoy the refreshing climate while you explore!

June Temperature in Castletown

In June in Castletown, the average temperature is 14°C (57°F), with maximums reaching 25°C (77°F) and minimums dropping as low as 6°C (43°F). This mild climate makes it an ideal time for sightseeing and outdoor activities.

June Weather in Castletown: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Castletown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castletown, June typically has an average temperature of 14°C (57°F), with highs reaching up to 25°C (77°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec434344475257616057524744
Data source: Temperature data for Castletown 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.

June Precipitation in Castletown

In Castletown in June, the precipitation amount is 67 mm (2.6 in) spread over 13 days.

June Precipitation Trends in Castletown

The chart displays monthly precipitation patterns in Castletown, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Castletown, June typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec53887955706768967693108107
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

June Humidity in Castletown

In Castletown in June, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

June Average Humidity in Castletown

This chart illustrates the average monthly humidity levels in Castletown, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Castletown 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Castletown

In Castletown in June, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Castletown.

Maximum UV Index Levels in Castletown for June

The chart shows the monthly maximum UV Index (UVI) for Castletown in June, 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 June, the maximum UV index in Castletown typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Castletown June 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 June Weather in Castletown Compares to Other Months

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

This table compares monthly weather conditions in Castletown, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)53 mm (2.1 inches)85%low
February Weather6°C (44°F)87 mm (3.4 inches)86%low
March Weather7°C (45°F)79 mm (3.1 inches)86%moderate
April Weather8°C (47°F)55 mm (2.2 inches)85%moderate
May Weather11°C (52°F)70 mm (2.8 inches)83%high
June Weather14°C (57°F)67 mm (2.6 inches)85%very high
July Weather16°C (61°F)68 mm (2.7 inches)86%very high
August Weather15°C (60°F)96 mm (3.8 inches)85%high
September Weather14°C (57°F)76 mm (3.0 inches)86%moderate
October Weather11°C (52°F)93 mm (3.6 inches)87%moderate
November Weather8°C (47°F)108 mm (4.3 inches)86%low
December Weather7°C (44°F)107 mm (4.2 inches)84%low

Compare Castletown's Climate with Cities Worldwide