Last updated: August 23, 2025
In May, the average temperature in Newcastle West, Ireland hovers around 11°C (53°F), with a minimum dip of -1°C (31°F) and a warm peak of 25°C (77°F). Expect a total precipitation of 70 mm (2.7 in) spread over 13 days, contributing to an average humidity level of 83%. Enjoy this mix of mild temperatures and refreshing moisture!
In May in Newcastle West, the average temperature is 11°C (53°F). The maximum can reach 25°C (77°F), and the minimum can be as low as -1°C (31°F). It's a great time to visit, as you'll experience mild weather with the possibility of warm days.
In Newcastle West in May, the precipitation amount is 70 mm (2.7 in) over the course of 13 days.
In Newcastle West in May, humidity is 83%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and causing an inevitable sheen of sweat to form, which can dampen the joy of exploring your surroundings.
In Newcastle West 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 Newcastle West.
UV Risk Categories
Weather in Newcastle West varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Newcastle West, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 69 mm (2.7 inches) | 88% | low |
| February Weather | 7°C (44°F) | 113 mm (4.4 inches) | 88% | low |
| March Weather | 7°C (44°F) | 100 mm (3.9 inches) | 87% | moderate |
| April Weather | 9°C (48°F) | 60 mm (2.4 inches) | 86% | moderate |
| May Weather | 11°C (53°F) | 70 mm (2.7 inches) | 83% | high |
| June Weather | 14°C (57°F) | 65 mm (2.6 inches) | 83% | very high |
| July Weather | 16°C (60°F) | 74 mm (2.9 inches) | 85% | very high |
| August Weather | 15°C (59°F) | 122 mm (4.8 inches) | 85% | high |
| September Weather | 13°C (56°F) | 84 mm (3.3 inches) | 88% | moderate |
| October Weather | 10°C (51°F) | 100 mm (4.0 inches) | 91% | moderate |
| November Weather | 8°C (46°F) | 90 mm (3.6 inches) | 92% | low |
| December Weather | 7°C (45°F) | 118 mm (4.7 inches) | 89% | low |