Last updated: June 24, 2025
In Edinburgh, United States, the average temperature in May hovers around 19°C (66°F), offering a pleasant climate for outdoor activities. However, be prepared for fluctuations, as the temperature can dip to a chilly -1°C (31°F) or soar to a sweltering 33°C (92°F). Expect 136 mm (5.4 in) of precipitation spread over about 15 days, contributing to the region's 79% average humidity. Dress accordingly and enjoy the seasonal beauty!
In May in Edinburgh, the average temperature is 19°C (66°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as -1°C (31°F). This variety in temperatures makes Edinburgh an ideal destination for travelers looking to experience a wide range of weather conditions.
In Edinburgh in May, the precipitation amount is 136 mm (5.4 in) over a period of 15 days.
In Edinburgh in May humidity is 79%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it feel much warmer than the actual temperature and creating a heavy, sticky atmosphere that can be a bit uncomfortable for traveling.
In Edinburgh in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Edinburgh.
UV Risk Categories
Weather in Edinburgh varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Edinburgh, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 83 mm (3.3 inches) | 87% | moderate |
| February Weather | 2°C (36°F) | 108 mm (4.2 inches) | 85% | moderate |
| March Weather | 7°C (45°F) | 138 mm (5.4 inches) | 86% | high |
| April Weather | 12°C (54°F) | 117 mm (4.6 inches) | 84% | very high |
| May Weather | 19°C (66°F) | 136 mm (5.4 inches) | 79% | very high |
| June Weather | 23°C (74°F) | 125 mm (4.9 inches) | 82% | extreme |
| July Weather | 25°C (78°F) | 113 mm (4.4 inches) | 79% | very high |
| August Weather | 24°C (75°F) | 98 mm (3.9 inches) | 70% | very high |
| September Weather | 21°C (71°F) | 81 mm (3.2 inches) | 69% | very high |
| October Weather | 15°C (59°F) | 99 mm (3.9 inches) | 76% | high |
| November Weather | 6°C (43°F) | 102 mm (4.0 inches) | 88% | moderate |
| December Weather | 3°C (38°F) | 97 mm (3.8 inches) | 87% | moderate |