May weather forecastKoechi, Japan

May

Weather in May

May, the last month of the spring in Koechi, is a warm month, with an average temperature fluctuating between 24.7°C (76.5°F) and 22.7°C (72.9°F).

Temperature

The average high-temperature in May, at a warm 24.7°C (76.5°F), reveals a modest deviation from April's 22.3°C (72.1°F). Koechi's temperature during May nights registers a minor decrease to an average low of 22.7°C (72.9°F).

Humidity

The average relative humidity in May is 82%.

Rainfall

In Koechi, during May, the rain falls for 18.1 days and regularly aggregates up to 196mm (7.72") of precipitation. Throughout the year, in Koechi, there are 229.8 rainfall days, and 1512mm (59.53") of precipitation is accumulated.

Daylight

The average length of the day in May in Koechi is 13h and 28min.
On the first day of the month, sunrise is at 05:49 and sunset at 19:00. On the last day of May, in Koechi, sunrise is at 05:34 and sunset at 19:16 JST.

Sunshine

In Koechi, Japan, the average sunshine in May is 7.9h.

UV index

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in May translates into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. 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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

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

Frequently asked questions

The average high-temperature and low-temperature in Koechi, Japan, during May are 24.7°C (76.5°F) and 22.7°C (72.9°F) respectively.

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

In Koechi, during May, the rain falls for 18.1 days and regularly aggregates up to 196mm (7.72") of precipitation.

In Koechi, the average day length in May is 13h and 28min.

In May, on the first day of the month, sunrise is at 05:49 and sunset at 19:00. On the last day of the month, in Koechi, sunrise is at 05:34 and sunset at 19:16 JST.

In Koechi, the average sunshine duration in May is 7.9h.

In Koechi, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

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

24.7°C

27.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

22.2km/h

19.3km/h

20.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

10.7

11.1

5.4

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Koechi, Japan

Average high temperature in May: 24.7°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 (18.6°C).

Average low temperature in May: 22.7°C

The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).

Average pressure in May
Koechi, Japan

Average pressure in May: 1011.2mbar

The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).

Average wind speed in May
Koechi, Japan

Average wind speed in May: 18.4km/h

The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).

Average humidity in May
Koechi, 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
Koechi, Japan

Average rainfall in May: 196mm

The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).

Average rainfall days in May
Koechi, Japan

Average rainfall days in May: 18.1 days

The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).

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

Average daylight in May: 13h and 30min

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: 7h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in May
Koechi, Japan

Average sunshine days in May: 11.1 days

The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).

Average UV index in May
Koechi, Japan

Average UV index in May: 6

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

Average cloud cover in May
Koechi, Japan

Average cloud cover in May: 51

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in May
Koechi, Japan

Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).