Harlow UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index6
- Avg Clouds95%
- Max Temp21.2 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Harlow, United Kingdom 
will reach a high of 6 today. This means a high level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-18
Hourly Forecast Chart
Today's Safety Tips
Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.
Harlow's UV Index
The UV index in Harlow, United Kingdom, is generally low to moderate throughout the year, reaching its highest levels during the summer months, typically around 5 to 6 in June and July.
Weather Seasons
Harlow experiences four distinct seasons: cold, damp winters with temperatures often around 2-7°C, mild springs with increasing sunshine, warm summers averaging 18-23°C, and cool, wet autumns with more rainfall.
Harlow's Climate
Compared to the wider UK, Harlow's weather is fairly typical, with slightly warmer summers than northern areas. Compared to neighboring countries like France, Harlow is cooler and wetter, especially in winter, but similar in summer temperatures.
Hourly UV Index Trend
See the UV index hour by hour for Harlow. When the level is high, it's smart to find some shade.
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