Lyme Regis UV Index
Dorset — Sun Safety & UV Levels
Lyme Regis UV Outlook
Today in Lyme Regis, the UV index is expected to stay high. Take care in the sun. protection strongly advised between 11:00 and 15:00.
The longer-range UV signal for Lyme Regis points to moderate levels for most days. If you’re outdoors for a while, shade, a hat and sunglasses can help reduce exposure.
Current UV
Take care in the sun — protection strongly advised between 11:00 and 15:00.
☀️ UV Scale
| 0–2 | Low | Minimal UV risk today; sun protection generally not required. |
| 3–5 | Moderate | UV levels are moderate — consider sunscreen if spending extended time outdoors. |
| 6–7 | High | UV levels are high — sunscreen, a hat, and sunglasses recommended. This is the guidance for Lyme Regis today. |
| 8–10 | Very High | UV levels are very high — take full precautions when outdoors. |
| 11+ | Extreme | Exceptionally high UV; minimise time in direct sun during peak hours. |
Today’s Hourly UV
14-Day UV Forecast
UV Trend
Forecast context and reference links
This page focuses on practical interpretation for Lyme Regis. When the guidance becomes mixed, it is usually a regime question first, rather than a single hourly detail.
- England Climate for regional patterns and seasonal tendencies.
- UK Climate Overview for a national baseline and how regions compare.
- England for location browsing and regional navigation.
How to interpret confidence
For how forecast reliability changes with lead time, see Forecast Confidence. For transparency on how WeatherEngland sources and updates data, see Methodology.
Background guides
- UK Weather Patterns
- UK Seasonal Weather
- UK Weather Hazards
- UK Weather Safety
- UK Jet Stream
- UK Microclimates
Glossary support
Start with the Weather Glossary. Useful terms for this page include UV Index, Solar Radiation, and Cloud.
FAQ
What is the UV index in Lyme Regis today?
The UV index in Lyme Regis today is high with values around 6. UV strength is shaped by the sun’s elevation, cloud thickness and atmospheric clarity.
When is UV strongest in Lyme Regis?
The peak UV window in Lyme Regis is close to midday, as solar elevation peaks. Values rise most in late spring and summer as solar angles increase.
Can UV be high when it’s cloudy in Lyme Regis?
Yes. Even when it looks cloudy, UV can still reach the surface, particularly through thinner cloud layers. Bright or hazy conditions can still produce notable UV, particularly in late spring and summer.
What does the UV index number mean for sun safety?
The UV index describes the potential for skin damage from ultraviolet radiation. As the number rises, skin damage can occur more quickly in direct sun, so shade, clothing and sunscreen become more important.
Does UV in Lyme Regis change a lot day to day?
Sometimes, yes. Short-term changes usually come from cloud cover and atmospheric haze, whereas the larger seasonal cycle tracks solar elevation across the year.