Average Annual Humidity for the United Kingdom

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The yearly averages for humidity levels are listed below for cities and towns across the United Kingdom. The tables give the averages of daily readings for the highest and lowest relative humidity levels.

Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold. All the numbers here are based on weather data collected from 1961 to 1990.

You can jump to a separate table for each country: England, Wales, Scotland and Northern Ireland.

England

Average annual humidity
Place High Low
Birmingham 90 70
Bournemouth 92 70
London 92 70
Manchester 87 69
Plymouth 89 76
Ramsgate 90 74

Wales

Annual relative humidity averages
Place High Low
Aberporth 88 78
Cardiff 90 74
Valley, Anglesey 88 75

Scotland

Average daily humidity
Place High Low
Aberdeen 89 71
Edinburgh 89 69
Forres 88 69
Lerwick, Shetland Islands 88 83
Stornoway, Outer Hebrides 90 80
Tiree, Inner Hebrides 89 80

Northern Ireland

Annual relative humidity
Place High Low
Belfast 90 74
Reference

World Data Center for Meteorology. Climate of the World.

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Average Weather

United Kingdom Humidity

WEATHER AVERAGES

Weather Extremes