Sun, sea & sand

Itsukushima weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

33

Holiday weather in May

Poor

Best time to visit: July – September

What is the weather like in Itsukushima in May?

In May, Itsukushima is mild: daytime highs average 20 °C, and nights cool down to about 16 °C. The sea averages 16.9 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 161 mm in total. All in all, May is not an ideal month for a holiday in Itsukushima.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score233353
Day17°20°24°
Night12°16°20°
Sea14°17°20°
Sun6 h7 h5 h
Rain days101013

More details for May

Daylight
13 h 55 min05:09 – 19:04
UV index
10 · very highclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
63 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+9Asia/Tokyo

How the score comes together

  • Temperatureweight 35 %23 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %63 %
  • Few rainy daysweight 20 %59 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Itsukushima in May: quick answers

Is Itsukushima hot in May?

No. In May, Itsukushima is mild: daytime highs average 20 °C and nights drop to about 16 °C.

Can you swim in Itsukushima in May?

Only if you don't mind cold water: in May the sea averages just 16.9 °C. Comfortable swimming is possible from June to November.

Does it rain much in Itsukushima in May?

Rain is frequent, with about 10 rainy days and 161 mm in total.

Itsukushima month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences