Seasonal Depression in Colorado: When Winter Is More Than Winter
Quick Answer
Seasonal affective disorder is major depression with a seasonal pattern — most often starting in late fall and lifting in spring — and Colorado's famous sunshine does not exempt it; short winter days, cold-weather isolation, and reduced activity still land. The first-line treatments are bright-light therapy, psychotherapy, and sometimes medication. When seasonal depression recurs every year, lasts into spring, or sits on top of depression that never fully lifts, a psychiatric evaluation at TMS Boulder clarifies which it is and what to do, including the options that follow medication.
What seasonal depression is
A recognized pattern of major depressive episodes that begin and end at roughly the same times each year, typically fall and winter. The symptoms are depression's symptoms — low mood, loss of interest, low energy, sleep and appetite changes, often oversleeping and carbohydrate craving in the winter pattern — with the timing as the defining feature.
Why Colorado is not immune
Colorado averages more sunny days than most states, but the winter day is still short, the cold limits outdoor time, and the pattern is driven by light exposure and routine, not weather headlines. Questions about whether altitude plays a role come up often; see altitude and depression for what the research actually shows.
First-line treatments
- Bright-light therapy with a purpose-built lamp, used in the morning on a schedule a clinician sets.
- Psychotherapy, particularly approaches that address winter behavior patterns.
- Medication for some patients, started before the season or at its onset. These are the usual first steps, and many people do well on them.
When it is more than seasonal
If the episodes return every year and get longer, if "winter" depression is still present in May, or if there is a baseline of depression that the seasonal dip simply deepens, the question changes from managing a season to treating major depressive disorder. That is when a psychiatric evaluation matters — and when the next-step treatments, including FDA-cleared TMS, SPRAVATO®, and ketamine therapy, come into the conversation for depression that has not responded to medication. See depression treatment in Boulder for how that evaluation works, in person downtown or by video.
Frequently asked questions
Is a light box enough?
For many people with a seasonal pattern, bright-light therapy used correctly is an effective first step. If symptoms persist or recur yearly, an evaluation is worth it.
Is TMS used for seasonal depression?
TMS is FDA-cleared for major depressive disorder in adults who have not responded adequately to antidepressants. Whether a seasonal pattern meets that picture is a question for a psychiatric evaluation.
Can the evaluation be done by video?
Yes, from anywhere in Colorado. In-person treatment, when needed, is at the downtown Boulder clinic.
When should I start treatment for the season?
Clinicians often begin light therapy or medication before symptoms typically start; an evaluation in early fall gives the most options.
If winter has been more than winter for more than one year, an evaluation answers it.
Request a consultationIf you are in crisis or thinking about harming yourself, call or text 988 (Suicide & Crisis Lifeline) or go to the nearest emergency room.