May weather forecast
Shimonoseki, Japan

englishespañol中文
Share

Weather in May

May, the last month of the spring in Shimonoseki, is an agreeable month, with an average temperature varying between 21°C (69.8°F) and 15.5°C (59.9°F).

Temperature

May's onset brings a subtle temperature rise, moving from a comfortable 16.6°C (61.9°F) in April to a pleasant 21°C (69.8°F). Throughout the month of May, Shimonoseki observes an average nighttime temperature of 15.5°C (59.9°F).

Humidity

In May, the average relative humidity is 75%.

Rainfall

In Shimonoseki, during May, the rain falls for 10.7 days and regularly aggregates up to 78mm (3.07") of precipitation. In Shimonoseki, Japan, during the entire year, the rain falls for 176.5 days and collects up to 1039mm (40.91") of precipitation.

Snowfall

In Shimonoseki, snow does not fall in March through November.

Sea temperature

In Shimonoseki, in May, the average water temperature is 18.3°C (64.9°F).
Note: Most people do not enjoy swimming in water of 18.3°C (64.9°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In May, the average length of the day in Shimonoseki is 13h and 56min.
On the first day of May, sunrise is at 05:26 and sunset at 18:59. On the last day of the month, sunrise is at 05:06 and sunset at 19:21 JST.

Sunshine

In Shimonoseki, the average sunshine in May is 9.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 5 in May leads to these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
[Resources]

Frequently asked questions

What are May temperatures in Shimonoseki?

In May, the average high-temperature and low-temperature in Shimonoseki, Japan, are 21°C (69.8°F) and 15.5°C (59.9°F) respectively.

What is the average humidity in May in Shimonoseki?

In Shimonoseki, the average relative humidity in May is 75%.

How many days does it rain in May in Shimonoseki?

In Shimonoseki, during May, the rain falls for 10.7 days and regularly aggregates up to 78mm (3.07") of precipitation.

When it does not snow in Shimonoseki?

March through November are months without snowfall in Shimonoseki, Japan.

What is the sea water temperature in May in Shimonoseki?

In Shimonoseki, the average seawater temperature in May is 18.3°C (64.9°F). For most, swimming in 18.3°C (64.9°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the average length of the day in May in Shimonoseki?

In Shimonoseki, the average day length in May is 13h and 56min.

What time are sunrise and sunset in May in Shimonoseki?

On the first day of May in Shimonoseki, Japan, sunrise is at 05:26 and sunset at 18:59. On the last day of the month, sunrise is at 05:06 and sunset at 19:21 JST.

How long on average sun shines in May in Shimonoseki?

In May, the average sunshine duration is 9.2h.

What is the UV index intensity in May in Shimonoseki?

In May, the average daily maximum UV index in Shimonoseki, Japan, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Shimonoseki, Japan

Average temperature in May - Shimonoseki, Japan
  • Average high temperature in May: 21°C

The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in May: 15.5°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

[Resources]

Average pressure in May
Shimonoseki, Japan

Average pressure in May - Shimonoseki, Japan
  • Average pressure in May: 1012.1mbar

The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).

[Resources]

Average wind speed in May
Shimonoseki, Japan

Average wind speed in May - Shimonoseki, Japan
  • Average wind speed in May: 12.1km/h

The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is June (10.8km/h).

[Resources]

Average humidity in May
Shimonoseki, Japan

Average humidity in May - Shimonoseki, Japan
  • Average humidity in May: 75%

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February and March (69%).

[Resources]

Average rainfall in May
Shimonoseki, Japan

Average rainfall in May - Shimonoseki, Japan
  • Average rainfall in May: 78mm

The wettest month (with the highest rainfall) is July (209mm).
The driest month (with the least rainfall) is January (44mm).

[Resources]

Average rainfall days in May
Shimonoseki, Japan

Average rainfall days in May - Shimonoseki, Japan
  • Average rainfall days in May: 10.7 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is May (10.7 days).

[Resources]

Average snowfall in May
Shimonoseki, Japan

Average snowfall in May - Shimonoseki, Japan
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (11mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

[Resources]

Average snowfall days in May
Shimonoseki, Japan

Average snowfall days in May - Shimonoseki, Japan
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

[Resources]

Average sea temperature in May
Shimonoseki, Japan

Average sea temperature in May - Shimonoseki, Japan
  • Average sea temperature in May: 18.3°C

The best month for swimming (with the highest average sea temperature) is August (27.4°C).
The coldest month (with the lowest average sea temperature) is March (13.8°C).

[Resources]

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

Average daylight in May / Average sunshine in May - Shimonoseki, Japan
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

[Resources]

Average sunshine days in May
Shimonoseki, Japan

Average sunshine days in May - Shimonoseki, Japan
  • Average sunshine days in May: 18.8 days

The month with the most sunshine days is May (18.8 days).
The month with the least sunshine days is July (7.3 days).

[Resources]

Average UV index in May
Shimonoseki, Japan

Average UV index in May - Shimonoseki, Japan
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

[Resources]

Average cloud cover in May
Shimonoseki, Japan

Average cloud cover in May - Shimonoseki, Japan
  • Average cloud cover in May: 35

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 31).

[Resources]

Average visibility in May
Shimonoseki, Japan

Average visibility in May - Shimonoseki, Japan
  • Average visibility in May: 9km

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

[Resources]

Shimonoseki, Japan

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location