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Barometric Pressure in Saint Barthélemy

We monitor barometric pressure across 1 city in Saint Barthélemy, giving you up-to-date insights into local weather patterns.

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Whether you're tracking pressure changes for health reasons, planning outdoor activities, or planning a fishing trip, our data is tailored to conditions in Saint Barthélemy, with detailed readings city by city.

Saint Barthélemy Barometric Pressure Map

Depending on how many places we monitor in Saint Barthélemy, the map displays a sampled set of barometric pressure data to give a clear overview of current conditions.

Here you can see which cities experienced the biggest and smallest changes in barometric pressure today. This helps highlight areas with the most stable or unstable weather patterns.

Most volatile

Least volatile

How is it calculated?

Our volatility “beta” number is generated by an algorithm that analyzes hourly barometric pressure changes. It looks at how much the pressure fluctuates from hour to hour. A beta of 0 means no change, perfectly stable pressure. The higher the decimal value, the more variation there has been throughout the day or over a longer period.

Weather Systems

Tropical weather systems like trade winds and passing storms change air pressure in Saint Barthélemy. When storms or hurricanes come close, air pressure falls quickly. High-pressure systems usually bring calm, sunny weather. Low-pressure systems can cause rain and stronger winds.

Geography

Saint Barthélemy is a small island with hills in the Caribbean Sea. The hills don’t affect pressure much, but being surrounded by warm ocean means pressure changes move across the island easily and quickly. There aren’t big differences in pressure from place to place on the island.

Seasonal Cycles

In the dry season, which is winter, air pressure is usually higher and more stable. In the wet season, around summer and autumn, pressure swings more because storms and hurricanes are more likely. These patterns repeat each year with the changing seasons.

Climate Change

Climate change is making ocean waters warmer, which can lower air pressure during the hurricane season and make storms stronger. Pressure patterns may become less predictable, which could mean more sudden changes in weather and stronger storms for Saint Barthélemy.

Places in Saint Barthélemy

You can find your city in the lists below, by using our search, or on the Saint Barthélemy Pressure Map above. We're tracking barometric pressure across multiple locations in Saint Barthélemy to keep you informed.

Each city includes a pressure status showing whether it's currently high, normal or low, along with two volatility values: one for today and one for the full period, usually 14 days. These help you see how much the pressure is changing over time.

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