Why Your Sciatica Feels Worse When It’s Cold Outside

January 18th, 2026
Sciatica

If your sciatica flares up when the temperatures drop, you are not the only one. Cold weather can make tight muscles tighter and stiff joints stiffer, especially during long winters here in Ottawa. For those of us dealing with nerve pain that runs down the leg, even a regular winter walk can feel more uncomfortable than usual.

Sciatica doesn’t always behave the same way each season. When it’s freezing outside, the body responds. Muscles may clench, we move differently, and we often stay indoors more. All of this can add stress to an already sensitive nerve. Some people find that sciatica treatment in Ottawa helps them manage discomfort through the colder months, so it’s easier to stay active and feel more like themselves.

How Cold Weather Affects the Body

Winter does more than just drop the temperature. It makes us move, stand, and even sit differently. That can affect how the body holds tension, especially around the lower back and legs.

When muscles cool down, they usually tighten. It’s the body’s way of holding in heat, but that added tightness can press on areas that are already sensitive. For those feeling nerve pain, that slight increase in pressure can trigger more discomfort than usual.

Alongside tighter muscles, there’s another factor: stiff joints. Cold air can make knees, hips, and backs feel heavier or slower to move. If joints don’t bend or twist as smoothly, the body has to work harder to stay balanced. This extra effort often falls on the lower back, which is already under strain in many people with sciatica.

Winter also changes our daily habits. People tend to avoid going out, skip walks, or spend more time seated indoors. That drop in regular movement can leave muscles weaker or less responsive, making symptoms feel worse over time.

Common Winter Habits That Can Trigger Sciatica

It’s not just the weather that changes things. The way we live during winter adds its own set of challenges. Certain everyday habits can make sciatica feel more intense than usual.

Here are a few common winter habits that might be increasing pressure on the lower back:

  • Shovelling snow or slipping on ice can jolt the spine or force it into awkward positions
  • Sitting for long periods indoors, often on soft couches or hard chairs, can strain the lower back
  • Wearing heavy winter boots or walking quickly on icy sidewalks can shift posture and body alignment
  • Carrying bulky bags, groceries, or winter gear loads one side of the body, putting extra stress on the back

Even small changes, like hunching over to stay warm or walking less during cold spells, add up. When these movements stack on top of each other day after day, they can make symptoms feel sharper or harder to manage.

Signs Your Sciatica Might Be Affected by the Season

Sometimes it’s tough to tell whether pain has changed or if it just feels worse because it’s cold. But certain patterns can help you notice whether the season might be playing a role.

Here are some cold-weather signs to watch for:

  • Pain feels sharper or more frequent during winter months, especially in the morning
  • A simple winter walk leaves you sore longer than it would in summer
  • Tingling or numbness returns in places it had started to fade before
  • Bending over to put on boots or tie shoes feels harder than normal
  • Sitting for long periods (like during snowstorms) leads to more lower back or leg discomfort

If any of that sounds familiar, chances are winter may be making your sciatica feel worse than it used to. That does not always mean something new is wrong, but it does suggest your body may need more support this season.

What to Do When Sciatica Acts Up in Winter

The good news is that small, early steps often make things feel more manageable. Ignoring signs of discomfort can sometimes lead to more frustration, especially when days get shorter and colder.

When symptoms show up more often or change in intensity, it’s helpful to slow down and take stock. Ask yourself how your body feels after certain activities, and pay attention to when discomfort starts. Recognizing small warning signs early can make a big difference over the winter months.

Gentle movement is one way to support the body during long, inactive stretches. Taking short walks indoors, standing up now and then, or doing light activities can keep muscles feeling less stiff.

When those steps are no longer working or pain starts affecting daily routines, that’s often a sign it’s time to look for more help. We’ve noticed many people find it easier to manage stiffness and pain with steady support. Local options for sciatica treatment in Ottawa are available throughout the year, and winter often brings more people in for help keeping pain under control. At Ottawa Health Group, back pain and sciatica are treated through chiropractic care, massage therapy, and physiotherapy, with treatment plans tailored to your specific diagnosis and needs. Back pain and sciatica services are offered at both our Downtown Ottawa and Kanata clinics.

Staying Comfortable Through the Cold Season

Cold doesn’t have to control how we feel day to day. With a little planning and some small habits, it’s possible to keep winter from becoming harder than it needs to be.

Some easy ways to reduce extra pressure on your body include:

  • Dressing warmly, especially around the hips and lower back, to help muscles stay more relaxed
  • Adjusting routines to split chores or tasks into shorter sessions with breaks between
  • Bringing more movement indoors, like doing short walks around the house or light stretches in the living room
  • Avoiding long periods in one position, even if it’s just standing up every so often during TV time

It’s not about doing more. It’s about doing things in a way that helps the body move without extra stress. Even small adjustments can lift some of that built-up tension that winter tends to bring.

Making Winter a Little Easier on Your Body

Sciatica can feel more frustrating in winter, especially when slipping outside or staying still inside both seem to make things worse. We know how discouraging it can be to feel like simple routines suddenly come with more discomfort.

Learning how cold weather and day-to-day habits affect the body gives us more control and choice. Whether it’s through better warm-up habits, mindful movements, or checking in for support when needed, small actions now can lower the chance of long-term frustration.

Winter isn’t easy on anyone, but there are ways to move through it with less pain and more ease. Being aware of how our daily patterns affect the body is one way to start feeling stronger, even during the chilliest months.

At Ottawa Health Group, we understand that nerve pain can intensify when winter brings long stretches of snow and ice and disrupts your daily routine, and many people find that extra support makes a world of difference when their regular approach no longer seems sufficient. Our integrated approach means chiropractors, physiotherapists, and massage therapists work together to relieve pain, improve mobility, and help reduce the chance of future flare-ups. You can read about our support options, including our sciatica treatment in Ottawa, and contact us to discuss the next steps if you notice increased pain this season.