Irun in May

6.2out of 10

Possible, with caveats

Mild: highs around 18°C. Very wet: about 15 rainy days.

18°CAvg high
11°CAvg low
15Rainy days (124 mm)
14:30 hDaylight
06:49Sunrise · 21:18 Sunset

Why this score

  • Mild: highs around 18°C
  • Very wet: about 15 rainy 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 (±3.7 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

10° 4° J 11° 4° F 14° 6° M 15° 8° A 18° 11° M 21° 13° J 23° 15° J 24° 16° A 21° 13° S 18° 11° O 13° 7° N 11° 5° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 10°C4°C123 mm 15– – 5.0
February 11°C4°C112 mm 13– – 5.4
March 14°C6°C107 mm 14– – 5.8
April 15°C8°C127 mm 16– – 5.6
May 18°C11°C124 mm 15– – 6.2
June 21°C13°C98 mm 13– – 7.2
July 23°C15°C83 mm 12– – 7.4
August 24°C16°C90 mm 13– – 7.3
September 21°C13°C96 mm 13– – 7.2
October 18°C11°C124 mm 14– – 6.5
November 13°C7°C153 mm 16– – 5.3
December 11°C5°C126 mm 14– – 5.2

Frequently asked questions

How hot is Irun in May?

Daytime highs average 18°C and nights about 11°C.

When is the best time to visit Irun?

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