June Weather in Castletown, United Kingdom

Last updated: August 27, 2025

In June, the average temperature in Castletown, United Kingdom is a comfortable 13°C (55°F), with a minimum dipping down to 3°C (37°F) and a maximum reaching up to 22°C (73°F). Be prepared for precipitation across 14 days, accumulating about 70 mm (2.8 in), while maintaining an average humidity of 84%.

June Temperature in Castletown

In June in Castletown, the average temperature is 13°C (55°F). Maximums can reach 22°C (73°F), while minimums can dip to as low as 3°C (37°F). Be prepared for a mild climate with cool evenings, perfect for exploring or enjoying 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 13°C (55°F), with highs reaching up to 22°C (73°F) and lows dropping to around 3°C (37°F).

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

June Precipitation in Castletown

In Castletown in June, the precipitation amount is 70 mm (2.8 in) spread over 14 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 70 mm (2.8 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Castletown

In Castletown in June humidity is 84%. With average temperature 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and draining for traveling.

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 84%, offering insight into how humid the weather typically is during this month.

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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check 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 7, which falls under the high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	57 mm (2.2 inches)	82%	low
February Weather	5°C (42°F)	62 mm (2.5 inches)	81%	low
March Weather	6°C (43°F)	72 mm (2.8 inches)	81%	moderate
April Weather	7°C (45°F)	55 mm (2.2 inches)	81%	moderate
May Weather	10°C (50°F)	67 mm (2.6 inches)	83%	moderate
June Weather	13°C (55°F)	70 mm (2.8 inches)	84%	high
July Weather	14°C (58°F)	74 mm (2.9 inches)	87%	high
August Weather	14°C (58°F)	79 mm (3.1 inches)	86%	high
September Weather	13°C (55°F)	109 mm (4.3 inches)	88%	moderate
October Weather	10°C (51°F)	112 mm (4.4 inches)	87%	moderate
November Weather	8°C (46°F)	92 mm (3.6 inches)	87%	low
December Weather	6°C (43°F)	71 mm (2.8 inches)	80%	low