May weather forecastKowan, Japan

May

Weather in May

May, the last month of the spring in Kowan, is a moderately hot month, with temperature in the range of an average low of 23.2°C (73.8°F) and an average high of 24.8°C (76.6°F).

Temperature

May's commencement is accompanied by an average high-temperature of a warm 24.8°C (76.6°F), diverging marginally from April's 22.3°C (72.1°F). The nighttime temperature in May experiences a minor dip, averaging 23.2°C (73.8°F).

Humidity

The average relative humidity in May in Kowan is 82%.

Rainfall

In May, in Kowan, the rain falls for 17.8 days. Throughout May, 177mm (6.97") of precipitation is accumulated. In Kowan, Japan, during the entire year, the rain falls for 228 days and collects up to 1405mm (55.31") of precipitation.

Daylight

In May, the average length of the day is 13h and 26min.
On the first day of the month, sunrise is at 05:51 and sunset at 19:01. On the last day of May, sunrise is at 05:36 and sunset at 19:17 JST.

Sunshine

In Kowan, the average sunshine in May is 8.2h.

UV index

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 6 in May leads to these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

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

Frequently asked questions

Kowan in May has an average high-temperature of 24.8°C (76.6°F) and an average low-temperature of 23.2°C (73.8°F).

In Kowan, Japan, the average relative humidity in May is 82%.

In Kowan, in May, during 17.8 rainfall days, 177mm (6.97") of precipitation is typically accumulated.

The average day length in May in Kowan, Japan, is 13h and 26min.

In May, on the first day of the month, sunrise is at 05:51 and sunset at 19:01. On the last day of the month, sunrise is at 05:36 and sunset at 19:17 JST.

The average sunshine duration in May in Kowan is 8.2h.

The average daily maximum UV index in May in Kowan is 6. A UV Index estimate of 6 to 7 represents a high health threat 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

22.3°C

24.8°C

27.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

23.8km/h

20.8km/h

22.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

11.3

10.7

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Kowan, Japan

Average high temperature in May: 24.8°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (19°C).

Average low temperature in May: 23.2°C

The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure in May
Kowan, Japan

Average pressure in May: 1011.1mbar

The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).

Average wind speed in May
Kowan, Japan

Average wind speed in May: 19.8km/h

The windiest month (with the highest average wind speed) is December (27.9km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).

Average humidity in May
Kowan, Japan

Average humidity in May: 82%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).

Average rainfall in May
Kowan, Japan

Average rainfall in May: 177mm

The wettest month (with the highest rainfall) is June (207mm).
The driest month (with the least rainfall) is February (58mm).

Average rainfall days in May
Kowan, Japan

Average rainfall days in May: 17.8 days

The months with the highest number of rainy days are January and June (21.5 days).
The month with the least rainy days is April (16.4 days).

Average daylight in May /
Average sunshine in May
Kowan, Japan

Average daylight in May: 13h and 24min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

Average sunshine in May: 8h and 12min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in May
Kowan, Japan

Average sunshine days in May: 10.7 days

The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is January (6 days).

Average UV index in May
Kowan, Japan

Average UV index in May: 6

The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in May
Kowan, Japan

Average cloud cover in May: 49

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in May
Kowan, Japan

Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).