Barometric Pressure in Chachani, Peru 
0000 hPa
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The pressure in Chachani, Arequipa, Peru is predicted to rapidly rise over the next few hours, with an average pressure of 635.6 hPa today, which is lower than normal.
Weather prediction: Expect shortly fair weather and gale or storm winds
The daily total fluctuation in pressure in Chachani is 10.1 hPa, with a low of 631.8 hPa and a high of 641.9 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Chachani hour by hour and stay informed about how it will change over the next 6 hours.
Chachani's weather patterns make air pressure change because of temperature and humidity. When it's hot and humid, air pressure goes down, and when it's cold and dry, air pressure goes up.
Chachani's geography, with its tall mountains and valleys, traps air making pressure change. The Andes block winds that bring moisture, making air pressure drop.
In summer, the sun shines bright, making air pressure drop. In winter, cold air from the Andes brings high pressure. Spring and fall have moderate pressure.
Chachani's semi-arid climate means air pressure is usually low. This brings a mix of sunny days and sudden rainstorms.