Weather in Shirahama Beach, Nishimuro, Japan in May

May has pleasant weather, with average temperatures around 19°C (66°F). The beach becomes more crowded, particularly during the Golden Week holidays in early May. The crowd levels are moderate, as it is not yet the peak season for beachgoers.

The weather in May is significantly warmer than the previous month and temperatures continue to rise into June. The average maximum temperature in Shirahama Beach in May is 23°C (73°F). The average maximum temperature is 19°C (65°F) in the previous month and 26°C (78°F) in the next month.

The average temperature in Shirahama Beach in May is 20°C (69°F). The average temperature is 16°C (61°F) in the previous month and 23°C (74°F) in the next month.

The average minimum temperature in Shirahama Beach in May is 18°C (65°F). The minimum temperature is 13°C (56°F) in the previous month and 22°C (71°F) in the next month.

The days in May are longer than the previous month and the days continue to get marginally longer into June. May has a slightly more hours of sunshine than the previous month. During May the average day light hours are 13.9 per day in Shirahama Beach. The sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.4 hours of sunshine per day.

The ultraviolet index in Shirahama Beach in May is typically 10.4 during May. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.