Last updated: August 27, 2025
In May, the average temperature in Greenlaw, United Kingdom is a mild 10°C (51°F), making it a pleasant time to explore. Visitors can expect temperatures to fluctuate, with a minimum of -1°C (31°F) and a maximum of 25°C (77°F). However, be prepared for some rain, as 53 mm (2.1 in) of precipitation may fall over approximately 13 days. With an average humidity of 80%, the air can feel quite damp, so pack accordingly!
In May in Greenlaw, the average temperature is 10°C (51°F). The maximum can reach 25°C (77°F), while the minimum can be as low as -1°C (31°F). Pack layers and be prepared for varying conditions to make the most of your trip!
In Greenlaw in May, the precipitation amount is 53 mm (2.1 in) over the course of 13 days.
In Greenlaw in May, humidity is 80%. With an average temperature of 10°C (51°F), this humidity feels like a damp layer clinging to the skin, making outdoor activities uncomfortable and requiring travelers to dress in layers to cope with the chill and moisture in the air.
In Greenlaw in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Greenlaw, you can refer to this Hourly UV Index in Greenlaw.
UV Risk Categories
Weather in Greenlaw varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Greenlaw, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 52 mm (2.0 inches) | 90% | low |
| February Weather | 5°C (41°F) | 79 mm (3.1 inches) | 88% | low |
| March Weather | 6°C (43°F) | 71 mm (2.8 inches) | 86% | moderate |
| April Weather | 7°C (45°F) | 32 mm (1.3 inches) | 85% | moderate |
| May Weather | 10°C (51°F) | 53 mm (2.1 inches) | 80% | high |
| June Weather | 13°C (56°F) | 84 mm (3.3 inches) | 83% | very high |
| July Weather | 15°C (60°F) | 78 mm (3.1 inches) | 82% | very high |
| August Weather | 15°C (59°F) | 90 mm (3.6 inches) | 82% | high |
| September Weather | 13°C (55°F) | 62 mm (2.4 inches) | 88% | moderate |
| October Weather | 10°C (50°F) | 92 mm (3.6 inches) | 90% | moderate |
| November Weather | 7°C (45°F) | 70 mm (2.7 inches) | 92% | low |
| December Weather | 5°C (41°F) | 73 mm (2.9 inches) | 89% | low |