Average humidity in Saint Athan

On this page you find more information about the monthly relative humidity over the year in Saint Athan (), the United Kingdom.

Saint Athan's humidity levels vary throughout the year. The highest levels occur in January, reaching 89% (very high), while the lowest is recorded in June at 73%.

Throughout the year, the average humidity in Saint Athan is 81%.

Humidity plays an important role in how temperatures are felt. During the warmest month, August, the maximum average temperature is around 20°C.

During the coldest month, February, the maximum average temperature is around 9°C. This period has very high humidity. When winter temperatures are low and humidity is high, it can make the air feel even colder than it actually is. Check out our detailed temperature page for more information.