When to go · Seixal, Portugal
Best Time to Visit Seixal
Aim for May, June and September: that's when Seixal's weather is at its best. The full month-by-month picture is below.
Go now
May, June, September
Comfortable and drier
Shoulder
April, October, July
Fewer crowds, a trade-off
Think twice
December, February
Hottest is August (30°C)
Seixal weather, month by month
| Month | High | Low | Rain | Feel |
|---|---|---|---|---|
| Jan | 15°C / 59°F | 7°C / 45°F | 27mm | cool, mostly dry |
| Feb | 17°C / 63°F | 9°C / 48°F | 72mm | mild, some rain |
| Mar | 19°C / 66°F | 10°C / 50°F | 56mm | mild, mostly dry |
| Apr | 21°C / 70°F | 12°C / 54°F | 59mm | mild, mostly dry |
| MayBEST | 25°C / 77°F | 15°C / 59°F | 19mm | warm, mostly dry |
| JunBEST | 27°C / 81°F | 17°C / 63°F | 26mm | warm, mostly dry |
| Jul | 30°C / 86°F | 18°C / 64°F | 1mm | hot, mostly dry |
| Aug | 30°C / 86°F | 18°C / 64°F | 1mm | hot, mostly dry |
| SepBEST | 27°C / 81°F | 18°C / 64°F | 52mm | warm, mostly dry |
| Oct | 25°C / 77°F | 16°C / 61°F | 90mm | warm, some rain |
| Nov | 18°C / 64°F | 11°C / 52°F | 56mm | mild, mostly dry |
| Dec | 17°C / 63°F | 10°C / 50°F | 126mm | mild, wet |
Averages from Open-Meteo ERA5 climate reanalysis, 2019 to 2023. Highs and lows are daily averages for each month; rain is the monthly total. Tap a month for a detailed guide.
Want the timing decided for you? A Local Friend in Seixal plans around the seasons for you.