Weather & Climate in Lisbon — Complete Guide (2026)
Lisbon has an average annual temperature of 17°C. The climate features four distinct seasons — warm summers (20-30°C), cool autumns, cold winters (often below freezing), and refreshing springs. You will need a full wardrobe for all seasons.
Monthly Weather Breakdown
| Season | Months | Temperature | What to Expect |
|---|---|---|---|
| Spring | Mar-May | 12-22°C | Warming up, unpredictable, layering essential |
| Summer | Jun-Aug | 22-32°C | Warm and pleasant, long daylight hours |
| Autumn | Sep-Nov | 12-22°C | Cooling, colorful leaves, cozy indoor season |
| Winter | Dec-Feb | 2-12°C | Cold, possibly snowy, short dark days |
Best Time to Move to Lisbon
Late spring to early summer (April-June) is ideal. The weather is pleasant, days are lengthening, and you have several months of good weather to settle in before your first winter. Arriving in autumn or winter is manageable but the dark, cold days can amplify the stress of relocation.
How Weather Affects Your Budget
Climate directly impacts your monthly costs in ways many expats don't anticipate:
- Heating costs: Significant in winter — $80-200/month for gas or district heating depending on apartment size and insulation quality. Always check heating costs before signing a lease.
- Winter wardrobe: Quality coat ($200-500), boots ($100-300), thermal layers, and accessories are essential one-time investments.
- Light therapy: Consider a SAD lamp ($30-80) if you're sensitive to limited daylight — very common among expats in northern/central European cities.
- Summer activities: The flip side — summers are glorious and many outdoor activities are free (parks, swimming, festivals).
How Weather Affects Your Mood & Wellbeing
Seasonal Affective Disorder (SAD) affects a significant percentage of expats in Lisbon, particularly those coming from sunnier climates. The dark winter months (sometimes only 7-8 hours of daylight) can be challenging. Strategies that help: maintain a social schedule, exercise regularly, use a light therapy lamp, take Vitamin D supplements, and plan a mid-winter trip to somewhere sunny.
What to Pack for Lisbon
- Quality winter coat (down or insulated, rated to at least -10°C)
- Waterproof, insulated winter boots
- Thermal base layers (merino wool is best)
- Warm hat, scarf, and gloves (you'll use these daily Nov-Mar)
- Summer clothes — don't forget, summers can be genuinely warm (25-30°C)
- Rain jacket for spring and autumn
- Umbrella (compact, for daily carry)