Average Annual Humidity for the United Kingdom
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
| Place | High | Low |
|---|---|---|
| Birmingham | 90 | 70 |
| Bournemouth | 92 | 70 |
| London | 92 | 70 |
| Manchester | 87 | 69 |
| Plymouth | 89 | 76 |
| Ramsgate | 90 | 74 |
Wales
| Place | High | Low |
|---|---|---|
| Aberporth | 88 | 78 |
| Cardiff | 90 | 74 |
| Valley, Anglesey | 88 | 75 |
Scotland
| 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
| Place | High | Low |
|---|---|---|
| Belfast | 90 | 74 |
Reference
World Data Center for Meteorology. Climate of the World.