Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).įor each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. The coldest month of the year in Pomona is December, with an average low of 44☏ and high of 67☏.Īverage High and Low Temperature in Pomona The cool season lasts for 3.9 months, from November 23 to March 19, with an average daily high temperature below 71☏. The hottest month of the year in Pomona is August, with an average high of 92☏ and low of 64☏. The hot season lasts for 3.0 months, from June 25 to September 23, with an average daily high temperature above 87☏.

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ComfortablewarmhotwarmcomfortableJanFebMarAprMayJunJulAugSepOctNovDecNowNow91%91%56%56%clearovercastprecipitation: 3.0 inprecipitation: 3.0 in0.0 in0.0 inmuggy: 6%muggy: 6%0%0%drydrytourism score: 7.9tourism score: 7.92.32.3

Cal poly pomona weather forecast