Porto weather in May
Porto in May averages 16°C (61°F), 89 mm of rain and 8.4 hours of sun a day.
Of the twelve months in Porto, May is the sixth warmest, the fifth driest and the fourth sunniest.
- Average temp
- 16°C (61°F)
13–20°C · 55–68°F
- Rainfall
- 89 mm
Showers likely
- Sunshine
- 8.4 h
hours per day
- Wind
- 13 km/h
What is Porto like in May?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Porto in May?
High-factor sun cream
With 8.4 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
A light rain jacket
About 89 mm falls this month — showers rather than washouts.
A layer for the evening
Evenings cool off noticeably once the sun is down.
May compared with April and June
May in Porto is 2.1°C warmer than April and 10 mm drier than it, which averages 14°C (58°F).
May in Porto is 1.7°C cooler than June and 54 mm wetter than it, which averages 18°C (64°F).
Daylight in Porto in May
On 15 May the sun is up for 14 hours 30 minutes in Porto, rising about 06:15 and setting about 20:46 local time.
May ends 56 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 38 minutes short of June, the longest-lit month here.
Where to stay in Porto
Dates are a starting point for May.
Travel guides for Porto
What to read before you book.
Porto weather by month
TemperatureRainfall
How May compares with the rest of the year
May is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 10°C / 50°F | 151 mm |
| February | 11°C / 51°F | 97 mm |
| March | 13°C / 56°F | 104 mm |
| April | 14°C / 58°F | 99 mm |
| May | 16°C / 61°F | 89 mm |
| June | 18°C / 64°F | 35 mm |
| July | 20°C / 68°F | 22 mm |
| August | 20°C / 68°F | 33 mm |
| September | 19°C / 67°F | 75 mm |
| October | 17°C / 63°F | 158 mm |
| November | 13°C / 56°F | 181 mm |
| December | 11°C / 52°F | 173 mm |
Check another month
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FAQs about Porto in May
May climate averages for Porto, 1991–2020.
Porto averages 16°C (61°F) in May, ranging from about 13°C (55°F) at night to 20°C (68°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 89 mm falls across May, enough to need a light jacket but not enough to reshape a trip.
No. May averages 16°C (61°F) against 18°C (64°F) in June — 1.7°C cooler.
May is 2.1°C warmer than April, and 10 mm drier.
Yes. May falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 8.4 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 14 hours 30 minutes of daylight in mid-May, against 15 hours 8 minutes in June and 9 hours 14 minutes in December.
On 15 May, sunrise is about 06:15 and sunset about 20:46 local time. Both shift across the month — the month ends 56 minutes longer than it starts.
