Veins

February 23, 2026 Richmond Vascular Center

Cold Now, Hot Later: Why Leg Vein Symptoms Change with the Season

For men and women alike, colder months can bring physical challenges. Aching legs, cramping, stiffness, and discomfort often feel more noticeable in winter, especially after long days of sitting or reduced movement.

As temperatures shift throughout the year, vein-related symptoms often change as well. Understanding how weather affects circulation can help explain why pain feels worse now and why addressing symptoms before warmer days can make a meaningful difference.

Why Temperature Changes Affect Vein Symptoms

Chronic venous insufficiency (CVI) and varicose vein disease affect how blood flows through the veins in the legs. Under normal conditions, one-way valves inside the veins help move blood upward toward the heart. When those valves weaken or stop working properly, blood can flow backward and pool in the lower legs. This increases pressure inside the veins and contributes to symptoms.

Cold temperatures can cause blood vessels to constrict, which may increase stiffness, cramping, and discomfort for individuals with vein disease. Winter months also tend to bring less physical activity and longer periods of sitting, both of which can slow circulation and make symptoms more noticeable.

Warm weather does not cause venous disease, but it can intensify symptoms. Heat causes blood vessels to dilate, allowing more blood to collect in the legs. For those with compromised vein function, this increased pooling can lead to swelling, heaviness, and discomfort.

Research shows that vein symptoms often fluctuate with temperature, not just activity level. According to findings published through the National Institutes of Health (NIH), patients with chronic venous insufficiency frequently report increased lower-leg swelling and symptom severity during warmer temperatures. Heat-related vessel dilation, combined with gravity, makes it more difficult for blood to return efficiently to the heart.

Seasonal factors can further affect circulation. Dehydration during warmer months may slow blood flow, while colder months often involve less movement and prolonged sitting. Together, these patterns can turn mild symptoms into persistent discomfort.

Who is Most affected by Vein Disease?

According to the National Institutes of Health (NIH) venous insufficiency and varicose veins affect  nearly 1 in 4 adults. Risk increases with age and several well-established factors:

• Age-related changes in vein elasticity
• Hormonal influences and pregnancy history for women
• Family history of vein disease
• Years of prolonged sitting or standing

Earlier in life, leg discomfort may come and go. Over time, symptoms often progress. Seasonal temperature changes combined with daily activity demands can push mild discomfort into something that interferes with comfort and mobility.

Symptoms Worth Paying Attention To

While some swelling or stiffness can occur during colder or warmer weather, ongoing or worsening symptoms may signal an underlying venous issue. Common signs include:

• Visible varicose or spider veins
• Swelling that increases throughout the day
• Leg heaviness, aching, or fatigue
• Cramping, itching, or restlessness
• Skin changes such as discoloration or rashes
• Slow-healing sores near the ankles or lower legs

When symptoms persist or worsen with temperature changes or activity, evaluation by a vascular specialist can provide clarity.

Modern Care Focuses on Precision and Comfort

Many people delay seeking care because they associate vein treatment with pain, surgery, or cosmetic concerns. Today’s approach to venous disease looks very different.

Evaluation typically begins with a detailed medical history and a noninvasive ultrasound exam that maps blood flow in the leg veins. This imaging allows specialists to identify where circulation is impaired and determine whether treatment may help.

Modern care emphasizes minimally invasive options designed to improve circulation and reduce symptoms. Many treatments take place in an outpatient setting and allow patients to return to normal activities quickly. The most important step is not choosing a procedure. It is understanding what is happening inside the veins and discussing appropriate options

Feel Better Now and Be Ready for the Months Ahead

Winter discomfort can be easy to dismiss, but ongoing leg pain, cramping, or swelling often signals a condition that will not resolve on its own. Addressing symptoms now can help prevent worsening discomfort as activity levels increase and temperatures rise.

At Richmond Vascular Center, evaluation for venous insufficiency begins with listening. Providers take the time to understand symptoms, lifestyle, and goals, then use advanced imaging to guide care. Many patients choose to seek evaluation during colder months so they can move into spring and summer feeling more comfortable and confident.