Last updated: August 23, 2025
In May, the average temperature in Cavan, Ireland hovers around 11°C (53°F), creating a mild atmosphere. Temperatures can fluctuate, with minimums dipping to -1°C (30°F) and maximums soaring to 24°C (76°F). Expect some rain during this month, with an average precipitation of 69 mm (2.7 in) spread across approximately 13 days. You might also feel the humidity at a comfortable 83%, adding to the overall weather experience.
In May in Cavan, the average temperature is 11°C (53°F), with maximums reaching up to 24°C (76°F) and minimums dropping as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures during this month, making layering essential for outdoor activities.
In Cavan in May, the precipitation amount is 69 mm (2.7 in) over the course of 13 days.
In Cavan 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 Cavan 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 Cavan.
UV Risk Categories
Weather in Cavan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Cavan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 61 mm (2.4 inches) | 85% | low |
| February Weather | 6°C (43°F) | 96 mm (3.8 inches) | 86% | low |
| March Weather | 7°C (44°F) | 85 mm (3.4 inches) | 86% | moderate |
| April Weather | 8°C (47°F) | 52 mm (2.0 inches) | 85% | moderate |
| May Weather | 11°C (53°F) | 69 mm (2.7 inches) | 83% | high |
| June Weather | 14°C (57°F) | 88 mm (3.5 inches) | 85% | very high |
| July Weather | 16°C (60°F) | 81 mm (3.2 inches) | 86% | very high |
| August Weather | 15°C (59°F) | 121 mm (4.8 inches) | 85% | high |
| September Weather | 13°C (56°F) | 73 mm (2.9 inches) | 86% | moderate |
| October Weather | 10°C (51°F) | 85 mm (3.3 inches) | 87% | moderate |
| November Weather | 7°C (46°F) | 88 mm (3.5 inches) | 86% | low |
| December Weather | 6°C (43°F) | 93 mm (3.7 inches) | 84% | low |