Our beach/pool temperature score is 0 for perceived temperatures below 65☏, rising linearly to 9 for 75☏, to 10 for 82☏, falling linearly to 9 for 90☏, and to 1 for 100☏ or hotter. Our tourism temperature score is 0 for perceived temperatures below 50☏, rising linearly to 9 for 65☏, to 10 for 75☏, falling linearly to 9 for 80☏, and to 1 for 90☏ or hotter. Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. 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 Haarlem is February, with an average low of 35☏ and high of 43☏.Īverage High and Low Temperature in Haarlem

The cool season lasts for 3.8 months, from November 22 to March 16, with an average daily high temperature below 48☏. The hottest month of the year in Haarlem is August, with an average high of 69☏ and low of 57☏. The warm season lasts for 3.0 months, from June 14 to September 16, with an average daily high temperature above 65☏.

Click on each chart for more information. Very coldcoldcoolcomfortablecoolcoldJanFebMarAprMayJunJulAugSepOctNovDecNowNow58%58%33%33%overcastclearprecipitation: 2.5 inprecipitation: 2.5 in1.2 in1.2 inmuggy: 3%muggy: 3%0%0%drydrytourism score: 6.8tourism score: 6.80.10.1

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