Training Smart In Cold Weather: What Winter Does To Your Body and How To Stay Sharp

March 18, 2026 | By Dejan Vukojicic

Winter changes more than the temperature. It changes how your body performs.

When the weather drops, your muscles tighten faster. Your joints feel stiffer. Reaction time can slow slightly. Warm-up takes longer. Even your mood and energy shift because daylight decreases.

If you ignore these changes, you feel flat in practice: Heavy legs; slow first step; tight shoulders; lower focus. But if you understand what’s happening inside your body, winter becomes manageable instead of frustrating.


 

What Cold Weather Does to You

Even if you train indoors, your body is influenced by cold conditions.

  1. Muscles contract more quickly

Cold reduces muscle elasticity. That means a higher risk of tight hamstrings, calves, lower back, and shoulder stiffness. As a result, explosive movements feel slower at the beginning of practice.

  1. Slower nerve activation

Your nervous system needs more time to fully “wake up.” That’s why your first few sprints or reaction drills may feel delayed.

  1. Reduced hydration awareness

In cold weather, you don’t feel as thirsty. But you are still losing fluids during intense sessions. Dehydration affects concentration and recovery.

  1. Energy fluctuations

Shorter daylight hours can influence mood and energy levels. Less sunlight impacts sleep cycles and mental sharpness. But don’t worry, none of this means you are out of shape. It just means you need to prepare differently.

So what are the steps you can take to beat off the winter tennis blues and still train effectively?


 

Warm-Up Is No Longer Optional

In winter, your warm-up becomes performance insurance. You should start with eight to 10 minutes of dynamic movement before you hit a single ball. Use games that warm up your body and your reactions, such as mirror tag, line tag, and cone escape. Don’t forget to use resistance tools like shoulder bands.

Your goal is simple: break a light sweat before tennis starts.

If you begin hitting while your body is still cold, you increase injury risk and reduce the quality of your movement.

Think of your body like an engine. In summer, it turns on quickly. In winter, it needs time to reach operating temperature.


 

Layer Smart, Not Heavy

Many players overdress and feel restricted. Wear layers you can remove gradually. Start slightly warm. Once your body heats up, then you can adjust. Staying too cold increases stiffness but overheating drains energy. Help your body find a balance.


 

Fuel and Hydrate Like Its Summer

Hydration does not become less important because you see less sweat. Drink water before practice. Sip during breaks. Rehydrate after.

Nutrition should focus on stable energy:

→Protein for muscle repair

→Complex carbs for training fuel

→Healthy fats for sustained energy

Avoid heavy meals right before training. Cold weather already makes your body feel slower. Don’t add digestive stress.


 

Recovery Is Bigger In Winter

Sleep becomes even more important when daylight drops. Aim for consistent bedtime. Limit screens late at night. Stretch lightly after sessions. Use light mobility work on off days to keep your body elastic. If you feel tight in trapezius, hips, or calves, don’t ignore it. Address it early. Winter tightness accumulates quietly.


 

The Advantage Is Earned

Here is the truth most players miss: Everyone feels slower in winter. Everyone feels tighter at the start of practice. Everyone fights lower energy some days.

The player who understands their body and prepares properly gains an edge.

When spring arrives, you will not need three weeks to “feel ready.” You will already be ready.

Cold weather does not make you weaker. Poor preparation does. Respect the season. Adjust intelligently. Train deliberately. And let winter sharpen you instead of slowing you down.


Dejan Vukojicic
Dejan Vukojicic, a Senior Associate Director at SPORTIME RI & JMTA, holds a bachelor’s degree in sport and coaching from the College of Sport, Nikola Tesla, Belgrade. He served as the Serbian Tennis Federation’s National Tennis Coach for U12 and Director of its Tennis Junior program. As Miomir Kecmanovic’s coach, he propelled him to #1 in Europe in Under 14s and twice won the Orange Bowl. Dejan also served on the Serbian Tennis Federation’s Coaching Board and Development Committee before joining the SPORTIME/JMTA team in 2022
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