Average humidity in Sylmar (CA)
On this page you find more information about the monthly relative humidity over the year in Sylmar (California), the United States of America.
Sylmar's humidity levels vary throughout the year. The highest levels occur in May, reaching 73% (high), while the lowest is recorded in November at 50%.
Throughout the year, the average humidity in Sylmar is 65%.
Humidity plays an important role in how temperatures are felt. During the warmest month, August, the maximum average temperature is around 33°C (91°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.
During the coldest month, December, the maximum average temperature is around 17°C (63°F). This period has moderate humidity. Check out our detailed temperature page for more information.
Sylmar Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sylmar - and find the best time to visit.
Sylmar 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Sylmar climate overview or explore weather in the United States of America.
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