May weather forecast
Onaga, Japan

May

Weather in May

May, the last month of the spring in Onaga, is a moderately hot month, with an average temperature varying between 24.7°C (76.5°F) and 23.2°C (73.8°F).

Temperature

During May, the average high-temperature is a warm 24.7°C (76.5°F), maintaining a close resemblance to that of the preceding month. Night temperatures during May experience a slight downturn, averaging a still moderately hot 23.2°C (73.8°F).

Humidity

In May, the average relative humidity is 82%.

Rainfall

In May, the rain falls for 18.1 days. Throughout May, 174mm (6.85") of precipitation is accumulated. In Onaga, during the entire year, the rain falls for 227.4 days and collects up to 1405mm (55.31") of precipitation.

Daylight

The average length of the day in May is 13h and 26min.
On the first day of the month, sunrise is at 05:51 and sunset at 19:00. On the last day of May, sunrise is at 05:36 and sunset at 19:16 JST.

Sunshine

In May, the average sunshine is 8.3h.

UV index

In Onaga, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In May, the maximum UV index of 6 suggests these recommendations:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What are the temperatures in May?
In May, in Onaga, the average high-temperature is 24.7°C (76.5°F), and the average low-temperature is 23.2°C (73.8°F).
What is the average humidity in May?
The average relative humidity in May is 82%.
How many days does it rain in May in Onaga?
In Onaga, in May, during 18.1 rainfall days, 174mm (6.85") of precipitation is typically accumulated.
What is the average length of the day in May?
In May, the average day length is 13h and 26min.
When is the sunrise / sunset in May?
In May, on the first day of the month, sunrise is at 05:51 and sunset at 19:00. On the last day of the month, sunrise is at 05:36 and sunset at 19:16 JST.
How many hours of sunshine does Onaga have in May?
The average sunshine duration in May is 8.3h.
How high is the UV index in May?
In Onaga, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Onaga, Japan
Average temperature in May
Onaga, 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 (18.9°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 (17°C).

Average pressure in May - Onaga, Japan
Average pressure in May
Onaga, 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 - Onaga, Japan
Average wind speed in May
Onaga, Japan
  • Average wind speed in May: 20.1km/h

The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is May (20.1km/h).

Average humidity in May - Onaga, Japan
Average humidity in May
Onaga, Japan
  • Average humidity in May: 82%

The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).

Average rainfall in May - Onaga, Japan
Average rainfall in May
Onaga, Japan
  • Average rainfall in May: 174mm

The wettest month (with the highest rainfall) is June (201mm).
The driest month (with the least rainfall) is February (59mm).

Average rainfall days in May - Onaga, Japan
Average rainfall days in May
Onaga, Japan
  • Average rainfall days in May: 18.1 days

The month with the highest number of rainy days is June (21.5 days).
The month with the least rainy days is July (16.4 days).

Average daylight in May / Average sunshine in May - Onaga, Japan
Average daylight in May /
Average sunshine in May
Onaga, Japan
  • Average daylight in May: 13h and 2min

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 2min

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 - Onaga, Japan
Average sunshine days in May
Onaga, Japan
  • Average sunshine days in May: 10.7 days

The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is December (5.7 days).

Average UV index in May - Onaga, Japan
Average UV index in May
Onaga, 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 - Onaga, Japan
Average cloud cover in May
Onaga, 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 - Onaga, Japan
Average visibility in May
Onaga, 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).

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