Great Hallingbury UV Index
Essex — Sun Safety & UV Levels
Great Hallingbury UV Outlook
UV levels in Great Hallingbury are forecast to be low today. no special precautions are needed for most people.
Through the next two weeks, the outlook for Great Hallingbury stays mostly moderate. UV can be higher near water, on sand, and on snow due to reflection.
Current UV
UV levels are low — no special precautions needed for most people.
☀️ UV Scale
| 0–2 | Low | Minimal UV risk today in Great Hallingbury; 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. |
| 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
Across England, local effects can shift outcomes even when the national pattern is similar. Coastal exposure, terrain, and airflow direction often explain the difference between a near-miss and a wet day.
- 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 Great Hallingbury today?
Today in Great Hallingbury, UV levels are low and sits near 0 at its peak. Ultraviolet intensity is controlled mainly by the height of the sun, cloud cover and air clarity.
When is UV strongest in Great Hallingbury?
UV in Great Hallingbury is strongest around the middle of the day, when the sun reaches its highest point. Levels are also highest in late spring and summer, when the sun is higher in the sky across the UK.
Can UV be high when it’s cloudy in Great Hallingbury?
Yes — cloud is not a guarantee of low UV. Cloud doesn’t always block UV effectively — especially with patchy cloud and brighter summer light. This is most relevant in summer and around the middle of the day.
What does the UV index number mean for sun safety?
The number indicates how quickly unprotected skin may be affected in sunlight. A higher index indicates faster potential skin damage in sunshine; sensible protection becomes more worthwhile as values increase.
Does UV in Great Hallingbury change a lot day to day?
It can. Day-to-day swings are mainly driven by cloud patterns, haze and air mass changes, while seasonal shifts are slower and follow the sun’s height through the year.