The average annual water vapor pressure value for Saint Louis Saint-Louis over the past 30 years is 23.61 kPa (kilopascals).
In city of Saint Louis Saint-Louis, the water vapor pressure in January is 1.1 kPa; The water vapor pressure in February is 1.17 kPa; The water vapor pressure in March is 1.37 kPa; The water vapor pressure in April is 1.63 kPa; The water vapor pressure in May is 1.87 kPa; The water vapor pressure in June is 2.39 kPa; The water vapor pressure in July is 2.74 kPa; The water vapor pressure in August is 2.95 kPa; The water vapor pressure in September is 2.98 kPa; The water vapor pressure in October is 2.45 kPa; The water vapor pressure in November is 1.68 kPa; The water vapor pressure in December is 1.28 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: Saint Louis, Saint-Louis, Senegal.