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!
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.
In Castletown in June, the precipitation amount is 67 mm (2.6 in) spread over 13 days.
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.
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.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 6°C (43°F) | 53 mm (2.1 inches) | 85% | low |
February Weather | 6°C (44°F) | 87 mm (3.4 inches) | 86% | low |
March Weather | 7°C (45°F) | 79 mm (3.1 inches) | 86% | moderate |
April Weather | 8°C (47°F) | 55 mm (2.2 inches) | 85% | moderate |
May Weather | 11°C (52°F) | 70 mm (2.8 inches) | 83% | high |
June Weather | 14°C (57°F) | 67 mm (2.6 inches) | 85% | very high |
July Weather | 16°C (61°F) | 68 mm (2.7 inches) | 86% | very high |
August Weather | 15°C (60°F) | 96 mm (3.8 inches) | 85% | high |
September Weather | 14°C (57°F) | 76 mm (3.0 inches) | 86% | moderate |
October Weather | 11°C (52°F) | 93 mm (3.6 inches) | 87% | moderate |
November Weather | 8°C (47°F) | 108 mm (4.3 inches) | 86% | low |
December Weather | 7°C (44°F) | 107 mm (4.2 inches) | 84% | low |