Monthly weather forecast and climate
Otaru, Japan

Weather in January

January, the same as December, in Otaru, Japan, is another subzero cold winter month, with average temperature varying between -7.9°C (17.8°F) and -3.3°C (26.1°F). The coldest month is January, with an average high-temperature of -3.3°C (26.1°F) and an average low-temperature of -7.9°C (17.8°F). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Otaru, Japan, with average temperature ranging between min -8.2°C (17.2°F) and max -3°C (26.6°F). In February, the average high-temperature is almost the same as in January - a still subzero cold -3°C (26.6°F). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Otaru, Japan, with average temperature varying between -5°C (23°F) and 0.7°C (33.3°F). In March, the average high-temperature slightly increases, from a freezing cold -3°C (26.6°F) in February, to a cold 0.7°C (33.3°F). Weather in March »

Weather in April

April is a frosty spring month in Otaru, Japan, with temperature in the range of an average low of 1°C (33.8°F) and an average high of 7°C (44.6°F). In Otaru, the average high-temperature in April rises, from a wintry 0.7°C (33.3°F) in March, to a frosty 7°C (44.6°F). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Otaru, Japan, with average temperature varying between 13.8°C (56.8°F) and 6.4°C (43.5°F). In Otaru, the average high-temperature increases, from a chilly 7°C (44.6°F) in April, to a moderate 13.8°C (56.8°F). Weather in May »

Weather in June

June, the first month of the summer, in Otaru, is an enjoyable month, with temperature in the range of an average high of 17.8°C (64°F) and an average low of 10.7°C (51.3°F). In Otaru, the average high-temperature marginally rises, from a mild 13.8°C (56.8°F) in May, to an enjoyable 17.8°C (64°F). Weather in June »

Weather in July

July is an agreeable summer month in Otaru, Japan, with temperature in the range of an average low of 15.5°C (59.9°F) and an average high of 22°C (71.6°F). In July, the average high-temperature marginally rises, from an enjoyable 17.8°C (64°F) in June, to an agreeable 22°C (71.6°F). Weather in July »

Weather in August

The last month of the summer, August, is a warm month in Otaru, Japan, with average temperature ranging between max 23°C (73.4°F) and min 16.8°C (62.2°F). With an average high-temperature of 23°C (73.4°F) and an average low-temperature of 16.8°C (62.2°F), August is the warmest month. Weather in August »

Weather in September

September, the first month of the autumn, in Otaru, is still a comfortable month, with average temperature varying between 19.5°C (67.1°F) and 13.2°C (55.8°F). In September, the average high-temperature slightly decreases, from a warm 23°C (73.4°F) in August, to a comfortable 19.5°C (67.1°F). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Otaru, Japan, with average temperature fluctuating between 12.8°C (55°F) and 6.9°C (44.4°F). In October, the average high-temperature drops, from an enjoyable 19.5°C (67.1°F) in September, to a cool 12.8°C (55°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Otaru, Japan, with temperature in the range of an average low of 0.6°C (33.1°F) and an average high of 5.4°C (41.7°F). In November, the average high-temperature decreases, from a cool 12.8°C (55°F) in October, to a cold 5.4°C (41.7°F). Weather in November »

Weather in December

December, the first month of the winter, in Otaru, is also a subzero cold month, with average temperature ranging between min -5.1°C (22.8°F) and max -1°C (30.2°F). In December, the average high-temperature drops, from a cold 5.4°C (41.7°F) in November, to a freezing cold -1°C (30.2°F). Weather in December »
[Resources]

FAQ

What is the coldest month in Otaru?

January is the coldest month, with an average high-temperature of -3.3°C (26.1°F) and an average low-temperature of -7.9°C (17.8°F).

How much does it rain in Otaru?

Throughout the year, in Otaru, Japan, there are 151.8 rainfall days, and 851mm (33.5") of precipitation is accumulated.

When does it snow in Otaru?

January through May, October through December are months with snowfall.

How many days does it snow in Otaru?

In Otaru, during the entire year, snow falls for 103.4 days, and aggregates up to 1437mm (56.57") of snow.

What is the snowiest month in Otaru?

The month with the most snowfall in Otaru, Japan, is January when snow falls for 26 days and typically aggregates up to 369mm (14.53") of snow.

What is the month with the least sunshine in Otaru?

January has the least sunshine of the year, with an average of 1.2h of sunshine.

When is the lowest UV index in Otaru?

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.

What months are the sea coldest in Otaru?

Months with the coldest seawater are February and March, with an average sea temperature of 5.3°C (41.5°F).

What are the least humid months in Otaru?

Months with the lowest humidity are April and October, with an average relative humidity of 79%.

What is the driest month in Otaru?

The month with the least rainfall in Otaru, Japan, is April when the rain falls for 12.7 days and typically collects 43mm (1.69") of precipitation.

What are the months with the most sunshine in Otaru?

Months with the most sunshine are May and August, with an average of 8.4h of sunshine.

When it does not snow in Otaru?

June through September are months without snowfall in Otaru.

When are the longest days in Otaru?

With an average of 15.3h of daylight, June has the longest days of the year.

What is the month with the highest UV index in Otaru?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Otaru.

What is the most humid month in Otaru?

July is the most humid month in Otaru, Japan, with an average relative humidity of 88%.

What is the warmest month in Otaru?

August is the warmest month in Otaru, with an average high-temperature of 23°C (73.4°F) and an average low-temperature of 16.8°C (62.2°F).

What is the wettest month in Otaru?

August is the month with the most rainfall in Otaru. Rain falls for 19.1 days and accumulates 119mm (4.69") of precipitation.

When is the sea warmest in Otaru?

August is the month with the warmest seawater, with an average sea temperature of 21.6°C (70.9°F).

What is the month with the shortest days in Otaru?

With an average of 9.1h of daylight, December has the shortest days of the year in Otaru, Japan.

Average pressure
Otaru, Japan

Average pressure - Otaru, Japan

The month with the highest atmospheric pressure is November (1016.1mbar).
The month with the lowest atmospheric pressure is July (1008.5mbar).

[Resources]

Average wind speed
Otaru, Japan

Average wind speed - Otaru, Japan

The windiest month (with the highest average wind speed) is December (19km/h).
The calmest month (with the lowest average wind speed) is July (9.2km/h).

[Resources]

Average humidity
Otaru, Japan

Average humidity - Otaru, Japan

The month with the highest relative humidity is July (88%).
Months with the lowest relative humidity are April and October (79%).

[Resources]

Average rainfall
Otaru, Japan

Average rainfall - Otaru, Japan

The wettest month (with the highest rainfall) is August (119mm).
The driest month (with the least rainfall) is April (43mm).

[Resources]

Average rainfall days
Otaru, Japan

Average rainfall days - Otaru, Japan

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (2.5 days).

[Resources]

Average snowfall
Otaru, Japan

Average snowfall - Otaru, Japan

The month with the highest snowfall is January (369mm).
Months with the least snowfall are June, July, August and September (0mm).

[Resources]

Average snowfall days
Otaru, Japan

Average snowfall days - Otaru, Japan

The month with the highest number of snowfall days is January (26 days).
Months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average sea temperature
Otaru, Japan

Average sea temperature - Otaru, Japan

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

[Resources]

Average daylight / Average sunshine
Otaru, Japan

Average daylight / Average sunshine - Otaru, Japan

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

Months with the most sunshine are May and August (Average sunshine: 8.4h).
The month with the least sunshine is January (Average sunshine: 1.2h).

[Resources]

Average sunshine days
Otaru, Japan

Average sunshine days - Otaru, Japan

The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is January (3.1 days).

[Resources]

Average UV index
Otaru, Japan

Average UV index - Otaru, Japan

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 1).

[Resources]