Last updated: August 27, 2025
In April, the average temperature in Castleside, United Kingdom is a brisk 7°C (45°F). Expect a chill in the air, with temperatures dipping as low as -4°C (26°F) and occasionally reaching a pleasant 22°C (71°F). Rain is also on the horizon, with 43 mm (1.7 in) of precipitation spread across 9 days. With an average humidity of 84%, make sure to bundle up and prepare for the dampness!
In April in Castleside, the average temperature is 7°C (45°F), with maximums reaching 22°C (71°F) and minimums plummeting to -4°C (26°F). This temperature range makes it essential to pack layers for your travels, ensuring you're prepared for both warm afternoons and chilly evenings.
In Castleside in April, the precipitation amount reaches 43 mm (1.7 in) over the course of 9 days.
In Castleside in April, humidity is 84%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while exploring the sights.
In Castleside in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the 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 April’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 |