May weather forecastBiratori, Japan

May

Weather in May

The last month of the spring, May, is a moderate month in Biratori, Japan, with an average temperature fluctuating between 15°C (59°F) and 7.4°C (45.3°F).

Temperature

As April transitions into May, a change in temperatures is observed, with average highs moving from a chilly 8.6°C (47.5°F) to a refreshing 15°C (59°F). An average low-temperature of 7.4°C (45.3°F) is common in Biratori, Japan, during the nights of May.

Humidity

In May, the average relative humidity is 78%.

Rainfall

In May, the rain falls for 12.6 days. Throughout May, 35mm (1.38") of precipitation is accumulated. In Biratori, Japan, during the entire year, the rain falls for 139.6 days and collects up to 552mm (21.73") of precipitation.

Snowfall

May through October are months without snowfall in Biratori, Japan.

Daylight

In Biratori, Japan, the average length of the day in May is 14h and 37min.
On the first day of the month, sunrise is at 04:25 and sunset at 18:31. On the last day of May, in Biratori, sunrise is at 03:56 and sunset at 19:01 JST.

Sunshine

The month with the most sunshine in Biratori is May, with an average of 9.3h of sunshine.

UV index

In Biratori, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 4 during May translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Enhance your sun protection with tightly woven, yet airy clothing.

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

Frequently asked questions

An average high-temperature, in May, in Biratori, is 15°C (59°F) and the average low-temperature is 7.4°C (45.3°F).

The average relative humidity in May in Biratori is 78%.

In Biratori, in May, it is raining for 12.6 days, with typically 35mm (1.38") of accumulated precipitation.

In Biratori, snow does not fall in May through October.

In May, in Biratori, Japan, it doesn't snow. April is the latest month when it typically snows.

The average day length in May in Biratori is 14h and 37min.

In May, on the first day of the month, sunrise is at 04:25 and sunset at 18:31. On the last day of the month, in Biratori, sunrise is at 03:56 and sunset at 19:01 JST.

With an average of 9.3h of sunshine, May has the most sunshine of the year in Biratori, Japan.

The average sunshine duration in May is 9.3h.

The average daily maximum UV index in May in Biratori, Japan, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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

8.6°C

15°C

18.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14.6km/h

13.5km/h

11.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.4

14.5

12.3

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Biratori, Japan

Average high temperature in May: 15°C

The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-2.3°C).

Average low temperature in May: 7.4°C

The month with the highest average low temperature is August (17.5°C).
The coldest month (with the lowest average low temperature) is February (-8.8°C).

Average pressure in May
Biratori, Japan

Average pressure in May: 1010.5mbar

The month with the highest atmospheric pressure is November (1016.2mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).

Average wind speed in May
Biratori, Japan

Average wind speed in May: 12.3km/h

The windiest month (with the highest average wind speed) is April (13.3km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in May
Biratori, Japan

Average humidity in May: 78%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is April (76%).

Average rainfall in May
Biratori, Japan

Average rainfall in May: 35mm

The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is January (20mm).

Average rainfall days in May
Biratori, Japan

Average rainfall days in May: 12.6 days

The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in May
Biratori, Japan

Average snowfall in May: 0mm

The month with the highest snowfall is February (147mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in May
Biratori, Japan

Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May: 14h and 36min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

Average sunshine in May: 9h and 18min

The month with the most sunshine is May (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in May
Biratori, Japan

Average sunshine days in May: 14.5 days

The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in May
Biratori, Japan

Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).