Last updated: August 27, 2025
In Sunbury-on-Thames, United Kingdom, the average temperature in June hovers around 16°C (62°F), with a fluctuating range from a cool 7°C (45°F) to a warm 31°C (88°F). Expect about 74 mm (2.9 in) of precipitation spread over 9 days, contributing to an average humidity of 80%. Whether you're exploring the vibrant streets or enjoying the local scenery, be prepared for a mix of weather conditions!
In June in Sunbury-on-Thames, the average temperature is 16°C (62°F). Maximums can reach 31°C (88°F) and minimums can be as low as 7°C (45°F). This means you should prepare for mild to warm weather, making it a great time for outdoor activities and exploration.
In Sunbury-on-Thames in June, the precipitation amount is 74 mm (2.9 in), which occurs over a span of 9 days.
In Sunbury-on-Thames in June humidity is 80%. With an average temperature of 16°C (62°F), this humidity feels like a warm, muggy embrace, making travel slightly uncomfortable as the air hangs heavy, necessitating frequent hydration and light clothing to stay cool and refreshed.
In Sunbury-on-Thames in June, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Sunbury-on-Thames.
UV Risk Categories
Weather in Sunbury-on-Thames varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Sunbury-on-Thames, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 52 mm (2.1 inches) | 91% | low |
| February Weather | 6°C (43°F) | 52 mm (2.0 inches) | 89% | low |
| March Weather | 7°C (46°F) | 55 mm (2.2 inches) | 86% | moderate |
| April Weather | 10°C (49°F) | 33 mm (1.3 inches) | 85% | moderate |
| May Weather | 13°C (55°F) | 63 mm (2.5 inches) | 79% | high |
| June Weather | 16°C (62°F) | 74 mm (2.9 inches) | 80% | very high |
| July Weather | 18°C (65°F) | 64 mm (2.5 inches) | 71% | very high |
| August Weather | 18°C (64°F) | 67 mm (2.6 inches) | 76% | high |
| September Weather | 15°C (59°F) | 45 mm (1.8 inches) | 82% | high |
| October Weather | 12°C (53°F) | 86 mm (3.4 inches) | 90% | moderate |
| November Weather | 8°C (47°F) | 53 mm (2.1 inches) | 92% | low |
| December Weather | 6°C (44°F) | 82 mm (3.2 inches) | 92% | low |