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The climate of Northern Portugal — explained, month by month
Mild winters, warm dry summers, 2,468 hours of sunshine a year. Seventeen pages of monthly data for Porto, Gaia and the Douro — benchmarked against Poland, Lisbon, Cascais and Comporta. You download it instantly after entering your email.
Moving to Portugal is not a holiday — it is a multi-year decision. The climate of the North is one of the main reasons our Clients pick this region, but "mild climate" is not enough.
This report goes specific: how many degrees in January, how much rain in July, what time the sun sets in December, how the North compares with Lisbon — and what a temperate ocean climate means for your health as you age. Built on official IPMA climate normals (1991–2020) and astronomical calculations.
What is inside
Seventeen pages of data and context
- Monthly temperatures and rainfall — all 12 months, side by side with Warsaw
- Daylight and sunshine — 2,468 hours of sun a year, and why December afternoons stay bright
- The North vs Lisbon — hot days, tropical nights and heat records compared
- Porto, Cascais and Comporta — three coastal temperaments
- A climate for the active — cycling, running, surfing and hiking year-round
- Health and the silver generation — sleep, vitamin D, clean air and the Atlantic diet
- Resilience and safety — no hurricanes, low seismic activity, no extremes
A sample of the data
Twelve months in Porto
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
The report adds rainfall, sunshine and daylight for every month — and the same figures for Warsaw, Lisbon, Cascais and Comporta.
| Month | Average low | Average high |
|---|---|---|
| Jan | 6 °C | 14 °C |
| Feb | 7 °C | 15 °C |
| Mar | 9 °C | 17 °C |
| Apr | 10 °C | 18 °C |
| May | 12 °C | 20 °C |
| Jun | 14 °C | 23 °C |
| Jul | 16 °C | 24 °C |
| Aug | 16 °C | 25 °C |
| Sep | 15 °C | 24 °C |
| Oct | 13 °C | 21 °C |
| Nov | 9 °C | 17 °C |
| Dec | 8 °C | 15 °C |
In December the sun sets in Porto at 17:08 — in Warsaw, already at 15:24.
From the Northern Portugal climate report