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

January weather forecast and climate
Otaru, Japan

January, like December, is a freezing cold winter month in Otaru, Japan, with average temperature ranging between max -0.7°C (30.7°F) and min -6.1°C (21°F).

Temperature

The coldest month is January, with an average high-temperature of -0.7°C (30.7°F) and an average low-temperature of -6.1°C (21°F).

Humidity

In January, the average relative humidity is 70%.

Rainfall

In Otaru, Japan, it is raining for 25.5 days, with typically 142.3mm (5.6") of accumulated precipitation. In Otaru, during the entire year, the rain falls for 193 days and collects up to 1235mm (48.6") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January when snow falls for 29.4 days and typically aggregates up to 1940mm (76.4") of snow.

Sea temperature

In January, the average sea temperature is 6.4°C (43.5°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 January, the average length of the day is 9.4h.

Sunshine

In Otaru, the average sunshine in January is 2.1h.

What is the coldest month in Otaru?

With an average high-temperature of -0.7°C (30.7°F) and an average low-temperature of -6.1°C (21°F), January is the coldest month in Otaru.

What is the temperature in January in Otaru?

The average high-temperature, in January, in Otaru, is -0.7°C (30.7°F), while the average low-temperature is -6.1°C (21°F).

What is the average humidity in January in Otaru?

In January, the average relative humidity in Otaru, Japan, is 70%.

How much does it rain in Otaru in January?

In Otaru, in January, it is raining for 25.5 days, with typically 142.3mm (5.6") of accumulated precipitation.

How much does it snow in Otaru in January?

In January, it is snowing for 29.4 days. Throughout January, 1940mm (76.4") of snow is accumulated.

What is the snowiest month in Otaru?

January is the month with the most snowfall in Otaru, Japan. Snow falls for 29.4 days and accumulates 1940mm (76.4") of snow.

What is the sea water temperature in January in Otaru?

In January, the average sea temperature in Otaru is 6.4°C (43.5°F). Swimming in 6.4°C (43.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

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

In January, the average length of the day in Otaru is 9.4h.

How long on average sun shines in January in Otaru?

In January, the average sunshine in Otaru, Japan, is 2.1h.
Average temperature in January - Otaru, Japan
  • Average high temperature in January: -0.7°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 January: -6.1°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 January - Otaru, Japan
  • Average humidity in January: 70%

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

Average rainfall in January - Otaru, Japan
  • Average rainfall in January: 142.3mm

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 January - Otaru, Japan
  • Average rainfall days in January: 25.5 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 January - Otaru, Japan
  • Average snowfall in January: 1940mm

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 January - Otaru, Japan
  • Average snowfall days in January: 29.4 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 January - Otaru, Japan
  • Average sea temperature in January: 6.4°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 January / Average sunshine in January - Otaru, Japan
  • Average daylight in January: 9.4h

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 January: 2.1h

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