Viseu in May

7.1out of 10

Possible, with caveats

Mild: highs around 20°C. Frequent rain: about 12 rainy days.

20°CAvg high
10°CAvg low
12Rainy days (98 mm)
14:16 hDaylight
06:20Sunrise · 20:36 Sunset

Why this score

  • Mild: highs around 20°C
  • Frequent rain: about 12 rainy days
  • Rain varies a lot between years (±5.3 days)

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in May varies a lot between years (±5.3 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

11° 4° J 12° 4° F 15° 6° M 16° 7° A 20° 10° M 24° 13° J 26° 15° J 27° 15° A 24° 13° S 19° 10° O 14° 7° N 11° 4° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 11°C4°C152 mm 12– – 5.4
February 12°C4°C102 mm 9– – 6.2
March 15°C6°C115 mm 11– – 6.4
April 16°C7°C118 mm 13– – 6.3
May 20°C10°C98 mm 12– – 7.1
June 24°C13°C40 mm 6– – 8.2
July 26°C15°C19 mm 4– – 8.6
August 27°C15°C26 mm 5– – 8.5
September 24°C13°C66 mm 7– – 8.1
October 19°C10°C167 mm 12– – 6.6
November 14°C7°C151 mm 13– – 5.7
December 11°C4°C160 mm 12– – 5.4

Frequently asked questions

How hot is Viseu in May?

Daytime highs average 20°C and nights about 10°C.

When is the best time to visit Viseu?

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