How Barometric Pressure Affects Deer Movement (or Does it?)

To maximize your time in the deer woods and up your odds of a successful hunt, it's crucial to accurately track and quickly respond to any one of several factors that influence the weather in your area. However, one weather variable in particular is often cited as the most significant factor in whitetail deer movement: barometric pressure. 

Is barometric pressure difficult to track? Is it rising? Is it falling? Is it truly a crucial element of deer movement or their behavior at all? Today, we talk about what barometric pressure is and how it can impact your hunting success.

What is Barometric Pressure?

We've all heard meteorologists say a "high-pressure" system is heading our way or vice versa. This is just another way of referring to a weather system increasing or decreasing in barometric pressure. 

Barometric pressure results from air molecules above the earth's surface being either very dense or very spread out. 

When the air molecules are dense and packed very tightly, it's a high-pressure system, resulting in low humidity and few clouds. However, when the air molecules are less dense and loosely packed, it is a low-pressure system, and clouds and snow or rain can follow.  

• High-pressure system = low humidity, few clouds, no precipitation.
• Low-pressure system = high humidity, clouds, and possible precipitation (snow or rain).

Keep that in mind as we continue!
 

Hunting a Low Barometric Pressure System

One school of thought holds that an excellent time to be afield is just before a storm – a low barometric pressure system.

Proponents argue that deer react instinctually to the impending weather and begin to feed to survive the possibility of hours (or days) of inactivity and limited food.

For example, as barometric pressure falls, heavy winds move through the area, and a storm may follow. High winds can stifle deer movement, and those who choose to move are usually quite nervous, making their movements quick. That makes them even harder to kill.

Therefore, supporters of the claim that barometric pressure is a significant factor in whitetail deer movement believe it is essential to hunt at the beginning of a low-pressure system when the storm is knocking on the front door rather than when it has already blown the door down.

Hunting just before a low barometric pressure system rolls in is an excellent time to be afield.

Hunting a High Barometric Pressure System

Conversely, supporters propose that hunting just after a storm passes – a high barometric pressure system – is also a great time to be in the whitetail woods.

Once again, they emphasize timing is everything in taking advantage of this weather change, stressing the importance of being afield as soon as the pressure begins to rise to take advantage of optimal whitetail movement.

Ardent barometric pressure watchers say if you really want to see some serious movement, head to your stand during the storm to capitalize on the increased deer movement that begins to happen right as the weather is breaking and the pressure is rising.

What's the Best Strategy?

Either one can work to help you tag out – but barometric pressure isn't the only factor to consider when hunting deer.

Apps like HuntWise allow you to pinpoint exactly when the barometric pressure rises or falls so you are in the right place at the right time – either at your stand or immediately heading afield. 

Weather the storm in your tree stand and be there when the barometric pressure is on the rise and whitetail are on the move.

Busting the Barometric Pressure Whitetail Weather Myth

Although many hunting models are based on whitetail deer movement in response to high and low barometric pressure systems, not all big buck killers are on board. 

In fact, Jeff Sturgis of Whitetail Habitat Solutions says that although timing hunts around barometric pressure is a popular strategy passed down for generations, it is a weather myth that needs to be smashed. 

"Deer do not have a barometric pressure indicator in their head," says Sturgis. Instead, they base their movement decisions on the "tangible, physical changes they can feel." 

Those tangible, physical changes include wind speed, wind direction, temperature fluctuations, and moisture content (humidity) in the air. So, opponents of the claim that barometric pressure is a significant factor in whitetail deer movement believe you should not focus on one but, instead, a wide variety of weather-based factors.

"Barometric pressure is a weather myth that needs to be smashed." – Jeff Sturgis, Whitetail Habitat Solutions.

Learn more from Jeff Sturgis about busting whitetail weather myths in the video below.

Maximize Your Success By Understanding Deer Movement with HuntWise

For proponents of timing hunts around high and low barometric pressure systems, conventional wisdom says if you want to see the big bucks, the calculated ratio of bucks to does sighted when the pressure is between 30.00 – 30.40 is an impressive 1 to 1. When the pressure drops and is estimated at 29.8  – 30.00, the chances of seeing big bucks drop to 1 in 3. 

For those that prefer a hunting approach that combines barometric pressure with a multitude of other factors, HuntWise uses a 15-day forecast so you can see how the weather is influencing whitetail movement on a weekly, daily, and hourly basis, keeping you in the field at the most optimal times. 

Using easy-to-access, easy-to-use technology that tracks barometric pressure alongside dozens of other weather factors and includes 3D mapping tools and GPS navigation with or without cell service will satisfy both ardent barometric pressure watchers and those who seek a more rounded, tech-guided approach. 

What does that mean? You'll see more success when you understand deer movement and use the ultimate hunting tool!

So, make sure you have the app, keep your eye on it and your sights on the big bucks . . . and shoot straight. 

If you don't have HuntWise yet, download it today and enjoy one free week with access to every feature.

Content updated June 24, 2024.