The average annual water vapor pressure value for Cha-am Phetchaburi over the past 30 years is 33.67 kPa (kilopascals).
In city of Cha-am Phetchaburi, the water vapor pressure in January is 2.4 kPa; The water vapor pressure in February is 2.67 kPa; The water vapor pressure in March is 2.89 kPa; The water vapor pressure in April is 3.05 kPa; The water vapor pressure in May is 3.07 kPa; The water vapor pressure in June is 2.99 kPa; The water vapor pressure in July is 2.93 kPa; The water vapor pressure in August is 2.91 kPa; The water vapor pressure in September is 2.98 kPa; The water vapor pressure in October is 2.92 kPa; The water vapor pressure in November is 2.61 kPa; The water vapor pressure in December is 2.25 kPa.
The vapour pressure of water is the pressure exerted by molecules of water vapor in gaseous form (whether pure or in a mixture with other gases such as air). The saturation vapour pressure is the pressure at which water vapour is in thermodynamic equilibrium with its condensed state.
Address: Cha-am, Phetchaburi, Thailand.