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Free
UK Weather Tools tools

All free, all instant, all browser-based — no sign-up required.

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Feels Like Temperature Calculator

Calculate wind chill and heat index — what the temperature actually feels like.

Understand UV index levels and how much sun exposure is safe.

Rainfall to Water Volume Calculator

Convert rainfall in mm to litres per square metre — useful for gardeners.

Wind Speed Converter (Beaufort)

Convert between mph, km/h, knots and Beaufort scale wind ratings.

Frost Risk Calculator

Estimate frost risk from overnight temperature and dew point.

UK Growing Season Calculator

Find average last/first frost dates and growing season length by UK region.

UK Sunshine Hours Guide

Average sunshine hours by UK city and season — compare locations.

Snowfall Calculator

Convert snowfall depth to water equivalent and estimate shovel load weight.

Heat Wave Risk Calculator

Estimate heat health risk during hot weather for vulnerable groups.

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