April weather forecast and climate
Aomori, Japan

April is a cool spring month in Aomori, Japan, with average temperature ranging between min 2°C (35.6°F) and max 12°C (53.6°F).

Temperature

In Aomori, the average high-temperature in April increases, from a wintry 5°C (41°F) in March, to a fresh 12°C (53.6°F). In Aomori, the average low-temperature is 2°C (35.6°F).

Rainfall

The month with the least rainfall in Aomori is April when the rain falls for 17 days and typically collects 77mm (3.03") of precipitation.

Sea temperature

In Aomori, Japan, the average seawater temperature is 9.5°C (49.1°F).
Note: Swimming in 9.5°C (49.1°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.

Daylight

In April, the average length of the day is 13.3h.

Sunshine

In April, the average sunshine is 6h.

UV index

The average daily maximum UV index in Aomori is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 6 in April interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in April in Aomori?

The average high-temperature, in April, in Aomori, Japan, is 12°C (53.6°F), while the average low-temperature is 2°C (35.6°F).

How much does it rain in Aomori in April?

In Aomori, in April, during 17 rainfall days, 77mm (3.03") of precipitation is typically accumulated.

What is the driest month in Aomori?

April is the month with the least rainfall in Aomori, Japan. Rain falls for 17 days and accumulates 77mm (3.03") of precipitation.

What is the water temperature in April in Aomori?

In Aomori, in April, the average water temperature is 9.5°C (49.1°F). Swimming in 9.5°C (49.1°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 Aomori have in April?

In April, the average length of the day in Aomori, Japan, is 13.3h.

How many hours of sunshine does Aomori have in April?

In April, the average sunshine is 6h.

What is the UV index reading in April in Aomori?

The average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.
Average temperature in April - Aomori, Japan
  • Average high temperature in April: 12°C

The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in April: 2°C

The month with the highest average low temperature is August (19°C).
The coldest months (with the lowest average low temperature) are January and February (-6°C).

Average rainfall in April - Aomori, Japan
  • Average rainfall in April: 77mm

The wettest month (with the highest rainfall) is August (149mm).
The driest month (with the least rainfall) is April (77mm).

Average rainfall days in April - Aomori, Japan
  • Average rainfall days in April: 17 days

The month with the highest number of rainy days is January (30 days).
Months with the least rainy days are April and June (17 days).

Average sea temperature in April - Aomori, Japan
  • Average sea temperature in April: 9.5°C

The best month for swimming (with the highest average sea temperature) is August (23.6°C).
The coldest month (with the lowest average sea temperature) is March (7.9°C).

Average daylight in April / Average sunshine in April - Aomori, Japan
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in April: 6h

The month with the most sunshine is May (Average sunshine: 7h).
Months with the least sunshine are January and December (Average sunshine: 2).

Average UV index in April - Aomori, Japan
  • Average UV index in April: 6

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).