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

April weather forecast and climate
Otaru, Japan

April in Otaru, Japan, is a fresh spring month, with average temperature ranging between min 2.6°C (36.7°F) and max 10.8°C (51.4°F).

Temperature

In Otaru, Japan, the average high-temperature in April increases, from a wintry 3.7°C (38.7°F) in March, to a cool 10.8°C (51.4°F). In April, in Otaru, the average low-temperature is 2.6°C (36.7°F).

Humidity

With an average relative humidity of 64%, April is the least humid month in Otaru.

Rainfall

In April, the rain falls for 12.7 days. Throughout April, 57.4mm (2.3") of precipitation is accumulated. In Otaru, Japan, during the entire year, the rain falls for 193 days and collects up to 1235mm (48.6") of precipitation.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows in Otaru. During 6 snowfall days, Otaru aggregates 150mm (5.9") of snow. In Otaru, during the entire year, snow falls for 125.7 days, and aggregates up to 6740mm (265.4") of snow.

Sea temperature

In Otaru, the average water temperature is 7.2°C (45°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In April, the average length of the day is 13.4h.

Sunshine

In April, the average sunshine in Otaru is 5.9h.

What is the temperature in April in Otaru?

In April, the average high-temperature is 10.8°C (51.4°F), and the average low-temperature is 2.6°C (36.7°F).

What is the least humid month in Otaru?

With an average relative humidity of 64%, April is the least humid month in Otaru, Japan.

What is the average humidity in April in Otaru?

The average relative humidity in April in Otaru, Japan, is 64%.

How many days does it rain in April in Otaru?

In Otaru, during April, the rain falls for 12.7 days and regularly aggregates up to 57.4mm (2.3") of precipitation.

What is the last month it snows in Otaru?

April is the last month it regularly snows in Otaru, Japan. During 6 snowfall days, in April, Otaru aggregates 150mm (5.9") of snow.

What is the water temperature in April in Otaru?

In Otaru, the average seawater temperature in April is 7.2°C (45°F). Swimming in 7.2°C (45°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Otaru have in April?

In Otaru, the average length of the day in April is 13.4h.

How many hours of sunshine does Otaru have in April?

In April, the average sunshine is 5.9h.
Average temperature in April - Otaru, Japan
  • Average high temperature in April: 10.8°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 April: 2.6°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 April - Otaru, Japan
  • Average humidity in April: 64%

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

Average rainfall in April - Otaru, Japan
  • Average rainfall in April: 57.4mm

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 April - Otaru, Japan
  • Average rainfall days in April: 12.7 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 April - Otaru, Japan
  • Average snowfall in April: 150mm

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 April - Otaru, Japan
  • Average snowfall days in April: 6 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 April - Otaru, Japan
  • Average sea temperature in April: 7.2°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 April / Average sunshine in April - Otaru, Japan
  • Average daylight in April: 13.4h

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 April: 5.9h

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