Average humidity in Alliston (ON)
On this page you find more information about the monthly relative humidity over the year in Alliston (Ontario), Canada.
Alliston's humidity levels vary throughout the year. The highest levels occur in January, reaching 72% (high), while the lowest is recorded in May at 53%.
Throughout the year, the average humidity in Alliston is 61%.
Humidity plays an important role in how temperatures are felt. During the warmest month, July, the maximum average temperature is around 27°C (81°F). During this warm period, the moderate humidity levels have little impact on how the temperature is perceived.
During the coldest month, January, the maximum average temperature is around -1°C (30°F). This period has 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.
Alliston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Alliston - and find the best time to visit.
Alliston 3-Day Forecast
Temperature Rainfall Sunshine Humidity
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