May Weather in Rathnew, Ireland

Last updated: August 23, 2025

In May, the average temperature in Rathnew, Ireland hovers around 11°C (51°F), offering a mild atmosphere. With minimums dipping to 3°C (38°F) and maximums reaching 17°C (63°F), visitors can expect a comfortable range. However, be prepared for 67 mm (2.6 in) of precipitation over about 12 days, contributing to an average humidity of 83%—perfect for those who enjoy a refreshing, crisp environment!

May Temperature in Rathnew

In May in Rathnew, the average temperature is 11°C (51°F), with maximums reaching 17°C (63°F) and minimums dipping as low as 3°C (38°F). It's a great time to visit if you enjoy mild temperatures and cooler days, perfect for exploring the local attractions.

May Weather in Rathnew: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rathnew, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rathnew, May typically has an average temperature of 11°C (51°F), with highs reaching up to 17°C (63°F) and lows dropping to around 3°C (38°F).

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

May Precipitation in Rathnew

In Rathnew in May, the precipitation amount is 67 mm (2.6 in) distributed over 12 days.

May Precipitation Trends in Rathnew

The chart displays monthly precipitation patterns in Rathnew, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Rathnew, May typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Rathnew

In Rathnew in May, humidity is 83%. With an average temperature of 11°C (51°F), this humidity feels like a chilly dampness that clings to your skin, making any outdoor adventures a bit uncomfortable and best enjoyed with layered clothing and a light raincoat.

May Average Humidity in Rathnew

This chart illustrates the average monthly humidity levels in Rathnew, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Rathnew is approximately 83%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Rathnew

In Rathnew in May, 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 Rathnew.

Maximum UV Index Levels in Rathnew for May

The chart shows the monthly maximum UV Index (UVI) for Rathnew in May, 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 May, the maximum UV index in Rathnew typically reaches 7, which falls under the high exposure category.

Data source: Rathnew May 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 May Weather in Rathnew Compares to Other Months

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

This table compares monthly weather conditions in Rathnew, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	71 mm (2.8 inches)	85%	low
February Weather	7°C (44°F)	98 mm (3.9 inches)	86%	low
March Weather	7°C (45°F)	92 mm (3.6 inches)	86%	moderate
April Weather	8°C (47°F)	52 mm (2.1 inches)	85%	moderate
May Weather	11°C (51°F)	67 mm (2.6 inches)	83%	high
June Weather	13°C (56°F)	76 mm (3.0 inches)	85%	very high
July Weather	15°C (59°F)	79 mm (3.1 inches)	86%	very high
August Weather	15°C (60°F)	102 mm (4.0 inches)	85%	high
September Weather	14°C (57°F)	84 mm (3.3 inches)	86%	moderate
October Weather	12°C (53°F)	108 mm (4.3 inches)	87%	moderate
November Weather	9°C (48°F)	136 mm (5.4 inches)	86%	low
December Weather	7°C (46°F)	121 mm (4.8 inches)	84%	low