Barometric Pressure in Harlech, Wales, GB

The pressure in Harlech, United Kingdom is predicted to rise over the next few hours, with an average pressure of 1000.8 hPa today, which is lower than normal.

Weather prediction: Expect fair, dry, cool weather and a strong breeze

The daily total fluctuation in pressure in Harlech is 1.8 hPa, with a low of 1000 hPa and a high of 1001.8 hPa. The daily average here is higher than in most cities around the world.

Forecast

Weather patterns in Harlech bring rapid changes in barometric pressure. Low-pressure systems from the Atlantic often move in, causing pressure to drop. High-pressure systems bring clear skies and rising pressure.

Harlech's elevation near the Irish Sea and Snowdonia mountains affects atmospheric pressure. The town's amphitheater shape traps air, making pressure changes more extreme. Mountains nearby block or redirect air flows.

In winter, pressure tends to be lower, with frequent storms and strong winds. Spring and autumn bring more variable pressure, with sudden changes. Summer months often see higher pressure, with calmer conditions.

Harlech has a maritime climate, with mild, wet winters and cool, dry summers. This climate causes frequent, moderate barometric pressure fluctuations, making the weather unpredictable and interesting.