Winter Mental Health: Why Cold and Rainy Days Can Affect Your Mood and Emotional Wellbeing
Winter can affect more than just the weather
As the days become shorter and temperatures drop, many people notice changes in their mood, energy levels and motivation. While it's common to feel less active during winter, for some individuals these seasonal changes may contribute to increased symptoms of anxiety, depression or emotional distress. They may also lead to reduced motivation, less time spent outdoors, decreased physical activity, greater social withdrawal, or an exacerbation of existing mental health conditions.
Many people refer to these seasonal changes as the "winter blues." While this can describe temporary changes in mood or energy, some people experience more significant symptoms that may be consistent with Seasonal Affective Disorder (SAD) or another mental health condition.
Understanding why these changes occur can help you recognise when extra support may be beneficial.
Did you know?
Seasonal Affective Disorder (SAD) is more commonly reported in countries with shorter winter days and greater seasonal variation in daylight, such as the United Kingdom. Although Australia experiences milder winters, many people still notice changes in mood, motivation and emotional wellbeing during the cooler months (Kim et al., 2025).
Why Can Winter Affect Our Mental Health?
Several factors can contribute to changes in mood during winter.
Reduced exposure to sunlight
Natural light plays an important role in regulating our circadian rhythm, the body's internal clock, and influences the production of serotonin and melatonin, both of which affect mood, energy and sleep.
Reduced daylight may contribute to:
Lower mood
Increased fatigue
Changes in sleep patterns
Reduced motivation
Difficulty concentrating
Increased social isolation
Cooler weather often means spending more time indoors and attending fewer social activities.
For some people this can lead to:
Increased loneliness
Reduced social connection
Greater feelings of isolation
Less emotional support
Strong social connections are one of the most important protective factors for maintaining good mental health and emotional wellbeing.
Disrupted routines
Winter can make it harder to maintain healthy habits. Even small disruptions to our daily routine can influence our emotional wellbeing over time.
People may find themselves:
Exercising less
Spending less time outdoors
Sleeping longer but feeling less rested
Losing motivation for activities they usually enjoy
These changes can gradually impact our emotional wellbeing over time.
When is it more than "just feeling flat"?
It's normal to have occasional low days.
However, it may be helpful to seek support if symptoms persist for several weeks or begin affecting your daily functioning.
Some signs include:
Persistent low mood
Loss of interest or pleasure in activities
Withdrawal from family and friends
Ongoing fatigue
Difficulty concentrating
Changes in appetite
Changes in sleep
Feeling hopeless or overwhelmed
For some individuals, these symptoms may be consistent with Seasonal Affective Disorder (SAD), a recognised subtype of major depressive disorder in which depressive episodes occur in a seasonal pattern. Although it is most commonly experienced during autumn and winter, SAD can only be diagnosed by a qualified health professional following a comprehensive assessment.
Supporting your wellbeing during winter
While everyone's experience is different, some evidence-based strategies include:
Prioritise natural light
Spend time outdoors during daylight hours where possible, particularly in the morning.
Keep moving
Regular physical activity supports both physical and emotional wellbeing, and even gentle movement can make a difference.
Maintain social connection
Even when motivation is low, staying connected with trusted family and friends can help reduce feelings of isolation.
Maintain routines
Keeping regular sleep, meal and activity schedules can support emotional regulation and mood.
Maintain good nutrition
Eating regular, balanced meals and staying hydrated can help support both physical and emotional wellbeing throughout winter.
Be compassionate with yourself
It's okay if your energy feels different during winter. Small, consistent steps are often more helpful than expecting yourself to function exactly as you do during other seasons.
When to seek professional support
If changes in your mood persist for several weeks, begin to worsen, or start affecting your work, relationships or everyday functioning, speaking with a psychologist can help.
Therapy provides a supportive space to better understand what you're experiencing and develop practical strategies tailored to your individual needs.
At The Good Life Therapy, our psychologists provide compassionate, evidence-based support for people experiencing anxiety, depression, stress, emotional overwhelm and life transitions throughout all seasons of the year.
The Good Life Therapy provides evidence-based psychological support for adolescents, adults, couples and families from our clinic in Hawthorne, supporting individuals across Brisbane's inner east. If you're experiencing persistent changes in mood, anxiety or depression this winter, our team is here to help.
If you're finding this winter more challenging than usual, know that you don't have to navigate it alone. Support is available, and seeking help is a positive step towards understanding your mental health and developing practical strategies to improve your emotional wellbeing.
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References
Kim, K., Kim, J., Jung, S., Kim, H.-W., Kim, H.-S., Son, E., Ko, D. S., Yoon, S., Kim, B. S., Kim, W. K., Lim, C., Kim, K., Lee, D., & Kim, Y. H. (2025). Global prevalence of seasonal affective disorder by latitude: A systematic review and meta-analysis. Journal of Affective Disorders, 390, 119807. https://doi.org/10.1016/j.jad.2025.119807