Sintra weather in May
Sintra in May averages 19°C (65°F), 53 mm of rain and 9.5 hours of sun a day.
Of the twelve months in Sintra, May is the sixth warmest, the fifth driest and the fourth sunniest.
- Average temp
- 19°C (65°F)
15–23°C · 58–73°F
- Rainfall
- 53 mm
Showers likely
- Sunshine
- 9.5 h
hours per day
What is Sintra 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 Sintra in May?
High-factor sun cream
With 9.5 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 53 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 Sintra is 2.4°C warmer than April and 13 mm drier than it, which averages 16°C (61°F).
May in Sintra is 2.8°C cooler than June and 41 mm wetter than it, which averages 21°C (71°F).
Daylight in Sintra in May
On 15 May the sun is up for 14 hours 18 minutes in Sintra, rising about 06:24 and setting about 20:43 local time.
May ends 51 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 35 minutes short of June, the longest-lit month here.
Where to stay in Sintra
Dates are a starting point for May.
Travel guides for Sintra
What to read before you book.
Sintra 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 | 12°C / 53°F | 104 mm |
| February | 13°C / 55°F | 73 mm |
| March | 15°C / 59°F | 72 mm |
| April | 16°C / 61°F | 67 mm |
| May | 19°C / 65°F | 53 mm |
| June | 21°C / 71°F | 13 mm |
| July | 23°C / 73°F | 3 mm |
| August | 24°C / 74°F | 7 mm |
| September | 22°C / 72°F | 36 mm |
| October | 19°C / 66°F | 108 mm |
| November | 15°C / 59°F | 121 mm |
| December | 13°C / 55°F | 102 mm |
Similar weather in May
Other destinations whose May averages sit close to this one.
Check another month
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FAQs about Sintra in May
May climate averages for Sintra, 1991–2020.
Sintra averages 19°C (65°F) in May, ranging from about 15°C (58°F) at night to 23°C (73°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 53 mm falls across May, enough to need a light jacket but not enough to reshape a trip.
No. May averages 19°C (65°F) against 21°C (71°F) in June — 2.8°C cooler.
May is 2.4°C warmer than April, and 13 mm drier.
Yes. May falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 9.5 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 18 minutes of daylight in mid-May, against 14 hours 53 minutes in June and 9 hours 28 minutes in December.
On 15 May, sunrise is about 06:24 and sunset about 20:43 local time. Both shift across the month — the month ends 51 minutes longer than it starts.
