Every January, a familiar headline pops up: “Blue Monday: The most depressing day of the year.” Cue the collective sigh, extra coffee, and vague sense that we’re all doing life on hard mode.

But what is Blue Monday, really? And why does returning to work or university during the coldest, darkest months feel so difficult?

Let’s discuss the psychology behind winter blues, seasonal depression, and why New Year’s resolutions so often collapse by mid-January. It’s also helpful to think about how to approach this time of year with a bit more realism and self-compassion.

Is Blue Monday actually a thing?

Not scientifically.

Blue Monday was originally coined as part of a marketing campaign, based on a loose (and very questionable) formula involving weather, debt, motivation, and time since Christmas. Psychologists and researchers don’t recognise it as a legitimate clinical phenomenon. However, the way many people feel around mid-to-late January is indeed very real, so it’s important not to dismiss this concept entirely.

By this point, the excitement of Christmas has faded, financial stress may be surfacing, motivation for New Year goals often dips, and the cold, dark weather can feel relentless. Add returning to work or university into the mix, often without much mental and emotional fuel in the tank, and it makes sense that January feels heavy for a lot of people.

Winter blues vs Seasonal Affective Disorder (SAD)

It’s helpful to distinguish between winter blues and Seasonal Affective Disorder (SAD).

Winter blues

Many people notice a dip in mood and motivation during winter. Energy can feel lower, concentration may be harder, and there’s often a strong urge to hibernate both socially and physically. While uncomfortable, these changes usually don’t completely stop someone from functioning day to day.

Seasonal affective disorder (SAD)

SAD is a form of depression that follows a seasonal pattern, most commonly in winter. It involves a persistently low mood, loss of interest or pleasure, significant fatigue, and changes in sleep or appetite. These symptoms tend to last for weeks and can have a real impact on daily life. If this sounds familiar, seeking professional support is important.

Why returning to work or university feels extra hard in winter

Going back to routine is challenging at the best of times, but winter adds a few psychological hurdles. Reduced daylight affects the brain chemicals involved in mood and sleep, while societal expectations often demand productivity at full speed when your nervous system may still be in recovery mode. The contrast between festive routines and everyday responsibilities can feel abrupt, and there’s often less to look forward to in the immediate future. If you’re struggling to bounce back, it’s not because you’re lazy or broken, but because you’re human in January.

The problem with New Year’s resolutions

January is also prime time for unrealistic self-reinvention. Many people feel pressure to overhaul their lives, fix everything at once, and stay motivated at all times. The problem isn’t having goals; it’s expecting summer-level energy in the depths of winter. January might be more about staying afloat than thriving. Some gentle alternatives:

Process goals: Focus on small, repeatable actions (e.g. “walk outside three times a week” rather than “get fit”).
Flexible self-talk: Progress doesn’t have to be linear, aesthetic, or Instagram-worthy.
Think of January less as a “fresh start” and more as a soft reboot.

Practical ways to support your mood this winter

Maximising daylight exposure, especially in the morning, can support mood and sleep. Gentle movement such as walking or stretching helps without demanding excessive energy. Lowering the bar and staying socially connected can reduce pressure and isolation, while being mindful of productivity comparisons can protect against unnecessary self‑criticism. And yes, sometimes the coping strategy really is an early night and a hot chocolate… that counts too.

Blue Monday doesn’t define your year, and January struggles don’t mean the rest of the year is doomed. Winter is a season that asks for kindness, patience, and realism, not relentless optimisation.

If you’re finding this time of year particularly difficult, you’re not weak. You’re responding to real biological, psychological, and environmental factors. Be gentle with yourself. Notice the sun sets a little later now? 4pm instead of 3:30? Still grim stuff, but very hopeful. Spring is around the corner (kind of…)

- Dr. Kassandra Burd

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