May weather forecastKagoshima, Japan

May

Weather in May

In May, as Kagoshima steps into summer, the temperature increases significantly, leading to warmer days. Compared to April, this month witnesses a notable rise in temperature, indicating that the summer heat is setting in. Rainfall and relative humidity maintain an increasing trend, marking the intense rainy season. Sea temperature starts to rise considerably, making it an ideal time for water-related activities. The soaring highs reaching up to 25.2°C (77.4°F) offer a perfect setting for a summer beach town.

Temperature

May's arrival signals a modest temperature shift, moving from an agreeable 21.6°C (70.9°F) in April to a moderately hot 25.2°C (77.4°F). In Kagoshima, May's nights observe an average temperature dip to an enjoyable 17.1°C (62.8°F).

Humidity

The average relative humidity in May in Kagoshima is 71%.

Rainfall

In Kagoshima, Japan, during May, the rain falls for 10 days and regularly aggregates up to 221mm (8.7") of precipitation. In Kagoshima, during the entire year, the rain falls for 119.7 days and collects up to 2266mm (89.21") of precipitation.

Snowfall

March through November are months without snowfall.

Sea temperature

In May, the average sea temperature is 22.3°C (72.1°F).
Note: Swimming in 22.3°C (72.1°F) can be enjoyable or not, depending on how you feel about the cold and conditions such as sunshine, wind, and the day's temperature. FYI: Olympic standards dictate waters of 25°C (77°F) to 28°C (82.4°F).

Daylight

In May, the average length of the day is 13h and 46min.
On the first day of May in Kagoshima, sunrise is at 05:32 and sunset at 18:57. On the last day of the month, sunrise is at 05:13 and sunset at 19:17 JST.

Sunshine

The average sunshine in May in Kagoshima, Japan, is 5.5h.

UV index

The average daily maximum UV index in May is 10. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 10 during May translates into the following guidance:
With the absence of protection, damage to skin and eyes can occur instantly. Ensure precautions are taken. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Ensure maximum protection by applying a sunscreen with at least 30 SPF. This shields against sunburn and the Sun's harmful rays. Caution! Sand and water reflections can notably increase the UV radiation intensity.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During May, Kagoshima experiences an average high-temperature of 25.2°C (77.4°F) and a low-temperature of 17.1°C (62.8°F).

The average relative humidity in May in Kagoshima, Japan, is 71%.

In Kagoshima, Japan, during May, the rain falls for 10 days and regularly aggregates up to 221mm (8.7") of precipitation.

March through November are months without snowfall.

In Kagoshima, Japan, the average seawater temperature in May is 22.3°C (72.1°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22.3°C (72.1°F).

The average day length in May is 13h and 46min.

In May, on the first day of the month, sunrise is at 05:32 and sunset at 18:57. On the last day of the month, in Kagoshima, Japan, sunrise is at 05:13 and sunset at 19:17 JST.

In Kagoshima, the average sunshine duration in May is 5.5h.

In May, the average daily maximum UV index is 10. A UV Index reading of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

21.6°C

25.2°C

27.6°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

10.4

14.6

Average snowfall

0mm

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in May
Kagoshima, Japan

Average high temperature in May: 25.2°C

The warmest month (with the highest average high temperature) is August (32.5°C).
The month with the lowest average high temperature is January (12.8°C).

Average low temperature in May: 17.1°C

The month with the highest average low temperature is August (25.6°C).
The coldest month (with the lowest average low temperature) is January (4.6°C).

Average humidity in May
Kagoshima, Japan

Average humidity in May: 71%

The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is January (65%).

Average rainfall in May
Kagoshima, Japan

Average rainfall in May: 221.2mm

The wettest month (with the highest rainfall) is June (452.3mm).
The driest month (with the least rainfall) is December (71.3mm).

Average rainfall days in May
Kagoshima, Japan

Average rainfall days in May: 10 days

The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is October (7.2 days).

Average snowfall in May
Kagoshima, Japan

Average snowfall in May: 0mm

The month with the highest snowfall is January (30mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in May
Kagoshima, Japan

Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in May
Kagoshima, Japan

Average sea temperature in May: 22.3°C

The best month for swimming (with the highest average sea temperature) is August (28.3°C).
The coldest months (with the lowest average sea temperature) are February and March (18.2°C).

Average daylight in May /
Average sunshine in May
Kagoshima, 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 and 30min

The month with the most sunshine is August (Average sunshine: 6h and 42min).
The month with the least sunshine is June (Average sunshine: 4h and 6min).