Last updated: August 23, 2025
In May, the average temperature in Birr, Ireland hovers around 11°C (53°F), with a range that can dip to a brisk -1°C (31°F) and climb up to a pleasant 24°C (75°F). Expect 66 mm (2.6 in) of precipitation over 13 days, contributing to an average humidity of 83%. Whether you're packing for warmth or a light jacket, be prepared for a variety of weather conditions!
In May in Birr, the average temperature is 11°C (53°F). The maximum can reach 24°C (75°F), and the minimum can be as low as -1°C (31°F). Be prepared for a range of weather conditions when traveling to Birr during this time.
In Birr in May, the total precipitation amount is 66 mm (2.6 in) spread over the course of 13 days.
In Birr 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 Birr 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 Birr.
UV Risk Categories
Weather in Birr varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Birr, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 6°C (42°F) | 62 mm (2.4 inches) | 88% | low |
February Weather | 6°C (43°F) | 103 mm (4.0 inches) | 88% | low |
March Weather | 7°C (44°F) | 94 mm (3.7 inches) | 87% | moderate |
April Weather | 9°C (48°F) | 54 mm (2.1 inches) | 86% | moderate |
May Weather | 11°C (53°F) | 66 mm (2.6 inches) | 83% | high |
June Weather | 14°C (58°F) | 69 mm (2.7 inches) | 83% | very high |
July Weather | 16°C (61°F) | 74 mm (2.9 inches) | 85% | very high |
August Weather | 15°C (59°F) | 103 mm (4.0 inches) | 85% | high |
September Weather | 13°C (56°F) | 75 mm (3.0 inches) | 88% | moderate |
October Weather | 10°C (51°F) | 90 mm (3.5 inches) | 91% | moderate |
November Weather | 8°C (46°F) | 88 mm (3.5 inches) | 92% | low |
December Weather | 6°C (44°F) | 104 mm (4.1 inches) | 89% | low |