Does cold weather really make your joints and back hurt?

When the first cold mornings arrive in St. Charles County, the same comments start coming in: my knees always know when the weather turns, my back aches more in winter, my hands hurt before it rains. Around three out of four people living with arthritis say the weather affects their pain.

So is it real? Partly. The research does find a link, but it is smaller than most people expect, and cold on its own is not the main player. The bigger change in winter is usually how much we move.

Does cold weather make joint pain worse?

The largest study to ask the question directly, Cloudy with a Chance of Pain, followed 2,658 people in the United Kingdom with long-term pain, mostly arthritis, for 15 months. They logged their pain every day on a smartphone, and the researchers matched it to their local weather.

• Humidity mattered most. Damp days carried higher odds of a painful day.
• Low pressure and wind mattered a little. Both had small links to more pain.
• Temperature on its own did not. Colder days were not linked to more pain once the other factors were accounted for.
• Neither did rain. Rainfall itself showed no link.

On the worst combination of weather, damp, windy and low pressure, the odds of a painful day were around a fifth higher than on an average day. That is a real effect, and a modest one.

A second study looked from the other direction. Researchers at Harvard Medical School checked more than 11 million doctor visits by older Americans and found no meaningful link between rainy days and visits for joint or back pain.

Why your back and joints can feel worse in winter

If the temperature is not the driver, why do so many people feel worse from November on? Several things change at once:

• We move less. Shorter days, cold mornings and the holidays mean fewer walks and more sitting. Joints and backs that rely on movement to stay comfortable stiffen up. This is the factor we see most often.
• We hunch. Cold makes people pull their shoulders up and round forward, which loads the neck and upper back for hours. It is how many people end up with knots at the top of the shoulders by January.
• Cold muscles are stiffer. Cold tissue is less flexible, which is why the first steps outside or the first few shovelfuls feel worse.
• Bursts of heavy work. Raking, hauling holiday boxes and, later, shoveling ask a lot of a body that has been sitting more.
• We notice the pattern. A sore day that is also cold and damp is memorable; a sore day in April is not. Researchers think this kind of selective memory explains part of the belief.

Some researchers think pressure changes may affect joints with arthritis directly, but that has not been proven.

The weather does not decide how your back feels in January. How much you moved in December has a lot more say.

What helps your joints and back in cold weather

1. Warm up before you go out. Two or three minutes of marching on the spot, arm circles and gentle back bends before raking, shoveling or a cold walk. Our guide to fall yard work without back pain covers lifting and raking.
2. Keep the daily walk. Move it indoors if you need to; a mall, a gym track or laps of the house all count. Twenty to thirty minutes on most days keeps joints moving. Arthritis and staying active explains why movement is the treatment, not the risk.
3. Dress your neck and back. A scarf and an extra layer over the lower back make it less likely you will spend the walk hunched against the wind.
4. Use heat for stiffness. A warm shower or a heat pack in the morning helps stiff joints get going. Why your back is stiff in the morning has a five-minute routine to follow it with.

When is winter joint or back pain worth getting checked?

It is worth an assessment if pain that used to come and go with the weather is now there most days, if it is limiting walks, stairs or sleep, or if one joint or one part of your back keeps flaring on its own.

See a physician for a joint that is suddenly hot, red and swollen, joint pain with a fever, or morning stiffness that lasts more than half an hour on most days, which can point to an inflammatory condition. If pain runs down an arm or a leg with numbness or tingling, the weather is not the explanation; our guides to a pinched nerve in the neck and sciatica cover those.

Shoveling snow and other heavy work in the cold strains the heart as well as the back. Call 911 for chest pain or pressure, pain spreading to the arm or jaw, or sudden shortness of breath.

What a visit here looks like

Dr. Andersen checks how your spine, hips and any sore joints are moving, where you are stiff or weak, and what your winter routine asks of them. For most people with arthritis or a stiff back, the plan is about keeping you moving through the cold months: precision spinal adjustments and soft-tissue work where joints and muscles have tightened up, and a short exercise routine you can do indoors. If something looks inflammatory rather than mechanical, we send you to your physician first.

Will the pain ease when the weather warms up?

For some people it does, partly because spring brings longer days and more movement. But waiting it out tends to mean four months of moving less, and a back or knee that has been underused all winter often starts spring weaker and stiffer than it ended the fall. Keeping your activity steady through the cold months usually matters more than the forecast. How much difference that makes varies from person to person, but it is easier to keep going than to restart.