Last updated: August 27, 2025
In May, the average temperature in Castleside, United Kingdom hovers around 10°C (51°F), with extremes ranging from a chilly -3°C (27°F) to a pleasant 24°C (76°F). Expect a total precipitation of 68 mm (2.7 in) spread over approximately 13 days, contributing to an average humidity level of 83%. Whether you're enjoying a cozy indoor day or exploring the outdoors, be prepared for the unique weather this month brings!
In May in Castleside, the average temperature is 10°C (51°F). The maximum can reach 24°C (76°F), and the minimum can be as low as -3°C (27°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.
In Castleside in May, the precipitation amount is 68 mm (2.7 in) spread over 13 days.
In Castleside in May, humidity is 83%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that permeates your clothes, making it essential to dress in layers for travel, as the cool air combined with the high humidity can create an uncomfortable and bone-chilling atmosphere.
In Castleside 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 Castleside, you can refer to this Hourly UV Index in Castleside.
UV Risk Categories
Weather in Castleside varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Castleside, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 61 mm (2.4 inches) | 89% | low |
| February Weather | 4°C (39°F) | 97 mm (3.8 inches) | 87% | low |
| March Weather | 5°C (42°F) | 87 mm (3.4 inches) | 85% | moderate |
| April Weather | 7°C (45°F) | 43 mm (1.7 inches) | 84% | moderate |
| May Weather | 10°C (51°F) | 68 mm (2.7 inches) | 83% | high |
| June Weather | 13°C (56°F) | 93 mm (3.6 inches) | 85% | very high |
| July Weather | 15°C (59°F) | 88 mm (3.5 inches) | 83% | very high |
| August Weather | 15°C (58°F) | 96 mm (3.8 inches) | 82% | high |
| September Weather | 12°C (54°F) | 75 mm (2.9 inches) | 87% | moderate |
| October Weather | 9°C (49°F) | 99 mm (3.9 inches) | 89% | moderate |
| November Weather | 6°C (43°F) | 72 mm (2.8 inches) | 90% | low |
| December Weather | 4°C (40°F) | 83 mm (3.2 inches) | 88% | low |