May weather forecastMiyazaki, Japan
May
Weather in May
The mildness of spring, gradually gives way to the warmth of summer in Miyazaki during May. Daylight hours increase to their maximum, providing ample opportunity for outdoor activities. With a notable rise in the temperature, residents start to feel a distinct summery atmosphere. Although it is not the hottest month, the average sea temperature shows a considerable climb from the cooler months. Despite the heat, late spring rain showers keep the city's lush greenery vibrant and refreshing.Temperature
May's arrival coincides with a marginal rise in the average high-temperature, moving from April's agreeable 21°C (69.8°F) to a moderately hot 24°C (75.2°F). During May, Miyazaki sees a mean low-temperature of 15°C (59°F).Rainfall
In Miyazaki, in May, it is raining for 18 days, with typically 289mm (11.38") of accumulated precipitation. In Miyazaki, during the entire year, the rain falls for 197 days and collects up to 2533mm (99.72") of precipitation.Sea temperature
In Miyazaki, the average seawater temperature in May is 23°C (73.4°F).Note: Individual cold sensitivities, influenced by sunshine, wind, and the ambient temperature, play a role in finding a swim in 23°C (73.4°F) water pleasant. (Olympic swimming events mandate water temperatures from 25°C (77°F) to 28°C (82.4°F).)
Daylight
In May, the average length of the day in Miyazaki, Japan, is 13h and 47min.On the first day of May, sunrise is at 05:28 and sunset at 18:54. On the last day of the month, sunrise is at 05:09 and sunset at 19:14 JST.
Sunshine
The months with the least sunshine are March through June, September and November, with an average of 5h of sunshine.UV index
In Miyazaki, the average daily maximum UV index in May is 10. A UV Index of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the maximum UV index of 10 transforms into these recommendations:
It is essential to prioritize protection. Unprotected skin and eyes can suffer rapid harm. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. To keep the sunburn at bay, apply sunscreen with at least 30 SPF. This also minimizes damage caused by the Sun's radiation. Warning! Sand and water reflections boost the intensity of UV exposure.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Miyazaki, Japan
- Average high temperature in May: 24°C
The warmest month (with the highest average high temperature) is August (32°C).
The months with the lowest average high temperature are January and February (13°C).
- Average low temperature in May: 15°C
The months with the highest average low temperature are July and August (24°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average rainfall in May
Miyazaki, Japan
- Average rainfall in May: 289mm
The wettest month (with the highest rainfall) is June (423mm).
The driest month (with the least rainfall) is December (53mm).
Average rainfall days in May
Miyazaki, Japan
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is June (21 days).
The month with the least rainy days is December (11 days).
Average sea temperature in May
Miyazaki, Japan
- Average sea temperature in May: 23°C
The best month for swimming (with the highest average sea temperature) is August (28.4°C).
The coldest month (with the lowest average sea temperature) is February (18.7°C).
Average daylight in May /
Average sunshine in May
Miyazaki, Japan
- Average daylight in May: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 5h
The months with the most sunshine are July and August (Average sunshine: 7h).
The months with the least sunshine are March, April, May, June, September and November (Average sunshine: 5h).
Average UV index in May
Miyazaki, Japan
- Average UV index in May: 10
The months with the highest UV index are June, July and August (UV index 11).
The month with the lowest UV index is December (UV index 3).





