Otaru
Japan
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Otaru, Japan

The last month of the spring, May, is a comfortable month in Otaru, Japan, with average temperature varying between 7.5°C (45.5°F) and 16.4°C (61.5°F).

Temperature

In May, the average high-temperature increases, from a fresh 10.8°C (51.4°F) in April, to a comfortable 16.4°C (61.5°F). The average low-temperature, in Otaru, is 7.5°C (45.5°F).

Humidity

In May, the average relative humidity in Otaru is 69%.

Rainfall

In Otaru, in May, it is raining for 10.7 days, with typically 56.1mm (2.2") of accumulated precipitation. Throughout the year, in Otaru, there are 193 rainfall days, and 1235mm (48.6") of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Otaru.

Sea temperature

In May, the average sea temperature in Otaru, Japan, is 10.1°C (50.2°F).
Note: Swimming in 10.1°C (50.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in Otaru, Japan, is 14.7h.

Sunshine

With an average of 6.5h of sunshine, May has the most sunshine of the year.

What is the temperature in May in Otaru?

The average high-temperature, in May, in Otaru, is 16.4°C (61.5°F), while the average low-temperature is 7.5°C (45.5°F).

What is the average humidity in May in Otaru?

In Otaru, the average relative humidity in May is 69%.

How many days does it rain in May in Otaru?

In Otaru, during May, the rain falls for 10.7 days and regularly aggregates up to 56.1mm (2.2") of precipitation.

Does it snow in Otaru in May?

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

When it does not snow in Otaru?

In Otaru snow does not fall in May through September.

What is the water temperature in May in Otaru?

In Otaru, the average seawater temperature in May is 10.1°C (50.2°F). Swimming in 10.1°C (50.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

In Otaru, the average length of the day in May is 14.7h.

What month has the most sunshine in Otaru?

With an average of 6.5h of sunshine, May has the most sunshine of the year in Otaru, Japan.

How long on average sun shines in May in Otaru?

In May, the average sunshine is 6.5h.
Average temperature in May - Otaru, Japan
  • Average high temperature in May: 16.4°C

The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in May: 7.5°C

The month with the highest average low temperature is August (18.4°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).

Average humidity in May - Otaru, Japan
  • Average humidity in May: 69%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is April (64%).

Average rainfall in May - Otaru, Japan
  • Average rainfall in May: 56.1mm

The wettest month (with the highest rainfall) is November (146.8mm).
The driest month (with the lowest rainfall) is June (46.3mm).

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

The month with the highest number of rainy days is January (25.5 days).
The month with the lowest number of rainy days is June (8.6 days).

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

The month with the highest snowfall is January (1940mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in May - Otaru, Japan
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (29.4 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature in May - Otaru, Japan
  • Average sea temperature in May: 10.1°C

The best month for swimming (with the highest average sea temperature) is August (21.6°C).
Coldest months (with the lowest average sea temperature) are February and March (5.3°C).

Average daylight in May / Average sunshine in May - Otaru, Japan
  • Average daylight in May: 14.7h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in May: 6.5h

The month with most sunshine is May (Average sunshine: 6.5h).
The month with least sunshine is December (Average sunshine: 2h).