Sintra in May

7.5out of 10

Yes, a good time to go

Mild: highs around 17°C. Some rain: about 5 rainy days.

17°CAvg high
15°CAvg low
5Rainy days (40 mm)
14:07 hDaylight
06:30Sunrise · 20:37 Sunset

Why this score

  • Mild: highs around 17°C
  • Some rain: about 5 rainy days
  • Rain varies a lot between years (±4.2 days)

What to wear and pack

  • Layers you can add or remove
  • Comfortable walking shoes

How reliable is the forecast?

Rain in May varies a lot between years (±4.2 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

14° 12° J 14° 12° F 15° 13° M 15° 14° A 17° 15° M 18° 17° J 19° 18° J 19° 18° A 19° 18° S 19° 17° O 17° 15° N 15° 13° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 14°C12°C81 mm 10– – 6.5
February 14°C12°C60 mm 8– – 6.7
March 15°C13°C56 mm 8– – 6.8
April 15°C14°C50 mm 8– – 7.0
May 17°C15°C40 mm 5– – 7.5
June 18°C17°C8 mm 2– – 8.2
July 19°C18°C2 mm 1– – 8.5
August 19°C18°C4 mm 1– – 8.6
September 19°C18°C27 mm 4– – 8.2
October 19°C17°C80 mm 9– – 7.3
November 17°C15°C95 mm 11– – 6.7
December 15°C13°C89 mm 11– – 6.5

Frequently asked questions

How hot is Sintra in May?

Daytime highs average 17°C and nights about 15°C.

When is the best time to visit Sintra?

The best months are August, July, June, September.