Barometric Pressure in Saint-Jean-sur-Richelieu, Quebec, CA
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Saint-Jean-sur-Richelieu, Canada 
is predicted to steady drop over the next few hours, with an average pressure of 1005.2 hPa today, which is lower than normal.
Weather prediction: Continued current weather
The daily total fluctuation in pressure in Saint-Jean-sur-Richelieu is 37.5 hPa, with a low of 982.5 hPa and a high of 1020 hPa. The daily average here is higher than in most cities around the world.
Forecast
Saint-Jean-sur-Richelieu's weather patterns cause barometric pressure to rise and fall. Changes in pressure bring different weather conditions. Low pressure systems bring rain and storms. High pressure systems bring clear skies and fair weather.
The city's low elevation near the Richelieu River and surrounding hills affect atmospheric pressure. The landscape influences air movement, which changes pressure. This combination makes pressure fluctuate.
In winter, pressure is usually high, bringing cold and clear weather. In summer, pressure is usually low, bringing hot and humid weather. Spring and fall have variable pressure, causing mixed weather conditions.
Saint-Jean-sur-Richelieu has a humid continental climate. This climate type brings large pressure fluctuations, making weather unpredictable and changing quickly.