Monthly weather forecast and climate
Onomichi, Japan

January, like December, is a frosty winter month in Onomichi, Japan, with temperature in the range of an average high of 7.1°C (44.8°F) and an average low of 1.3°C (34.3°F). The coldest month is January, with an average high-temperature of 7.1°C (44.8°F) and an average low-temperature of 1.3°C (34.3°F). Weather in January »

February, the last month of the winter, in Onomichi, is another chilly month, with average temperature ranging between min 1.7°C (35.1°F) and max 8.5°C (47.3°F). In February, the average high-temperature is almost the same as in January - a still frosty 8.5°C (47.3°F). Weather in February »

March, the first month of the spring, in Onomichi, is a cool month, with average temperature ranging between max 12.1°C (53.8°F) and min 3.9°C (39°F). In March, the average high-temperature slightly increases, from a chilly 8.5°C (47.3°F) in February, to a cool 12.1°C (53.8°F). Weather in March »

April in Onomichi, Japan, is a comfortable spring month, with average temperature ranging between min 8.1°C (46.6°F) and max 16.9°C (62.4°F). In Onomichi, Japan, the average high-temperature slightly increases, from a fresh 12.1°C (53.8°F) in March, to an enjoyable 16.9°C (62.4°F). Weather in April »

The last month of the spring, May, is an agreeable month in Onomichi, Japan, with average temperature fluctuating between 22.4°C (72.3°F) and 13.1°C (55.6°F). In Onomichi, the average high-temperature rises, from a comfortable 16.9°C (62.4°F) in April, to an agreeable 22.4°C (72.3°F). Weather in May »

June, the first month of the summer, in Onomichi, is a warm month, with average temperature varying between 25.3°C (77.5°F) and 17.2°C (63°F). In June, the average high-temperature is relatively the same as in May - a moderately hot 25.3°C (77.5°F). Weather in June »

July, the same as June, is another warm summer month in Onomichi, Japan, with average temperature fluctuating between 21.8°C (71.2°F) and 29°C (84.2°F). In July, the average high-temperature slightly increases, from a moderately hot 25.3°C (77.5°F) in June, to a still warm 29°C (84.2°F). Weather in July »

August, the last month of the summer, in Onomichi, is a tropical month, with average temperature varying between 22.9°C (73.2°F) and 30.8°C (87.4°F). August is the warmest month, with an average high-temperature of 30.8°C (87.4°F) and an average low-temperature of 22.9°C (73.2°F). In August, the average heat index is appraised at a torrid 39.5°C (103.1°F). Weather in August »

September, the first month of the autumn, in Onomichi, is also a moderately hot month, with average temperature fluctuating between 18.7°C (65.7°F) and 26.3°C (79.3°F). In September, the average high-temperature marginally drops, from a hot 30.8°C (87.4°F) in August, to a moderately hot 26.3°C (79.3°F). Weather in September »

October, like September, is an agreeable autumn month in Onomichi, Japan, with average temperature fluctuating between 20.8°C (69.4°F) and 13.8°C (56.8°F). In October, the average high-temperature drops, from a moderately hot 26.3°C (79.3°F) in September, to an agreeable 20.8°C (69.4°F). Weather in October »

The last month of the autumn, November, is also a moderate month in Onomichi, Japan, with average temperature ranging between min 8.6°C (47.5°F) and max 15°C (59°F). In Onomichi, the average high-temperature in November decreases, from an agreeable 20.8°C (69.4°F) in October, to a mild 15°C (59°F). Weather in November »

December, the first month of the winter, in Onomichi, is still a chilly month, with temperature in the range of an average high of 9.1°C (48.4°F) and an average low of 3.5°C (38.3°F). In December, the average high-temperature decreases, from a moderate 15°C (59°F) in November, to a frosty 9.1°C (48.4°F). Weather in December »

What is the coldest month in Onomichi?

January is the coldest month in Onomichi, with an average high-temperature of 7.1°C (44.8°F) and an average low-temperature of 1.3°C (34.3°F).

How much does it rain in Onomichi?

Throughout the year, in Onomichi, there are 118.5 rainfall days, and 329mm (12.95") of precipitation is accumulated.

What is the driest month in Onomichi?

The month with the least rainfall is January when the rain falls for 6 days and typically collects 11mm (0.43") of precipitation.

When does it snow in Onomichi?

Months with snowfall in Onomichi are January, February and December.

How much does it snow in Onomichi?

In Onomichi, during the entire year, snow falls for 6.5 days, and aggregates up to 13mm (0.51") of snow.

When does it snow the most in Onomichi?

The month with the most snowfall in Onomichi is January when snow falls for 3 days and typically aggregates up to 6mm (0.24") of snow.

What is the month with the least sunshine in Onomichi?

The month with the least sunshine in Onomichi, Japan, is January, with an average of 4.8h of sunshine.

When is the lowest UV index in Onomichi?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Onomichi, Japan.

What is the month with the coldest sea water in Onomichi?

The month with the coldest seawater is February, with an average sea temperature of 13.7°C (56.7°F).

When it does not snow in Onomichi?

March through November are months without snowfall.

What is the least humid month in Onomichi?

The least humid month in Onomichi, Japan, is May, with an average relative humidity of 71%.

When are the longest days in Onomichi?

June has the longest days of the year, with an average of 14.4h of daylight.

What is the most humid month in Onomichi?

July is the most humid month, with an average relative humidity of 82%.

What is the rainiest month in Onomichi?

July is the month with the most rainfall. Rain falls for 15.3 days and accumulates 69mm (2.72") of precipitation.

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

The month with the highest UV index in Onomichi, Japan, is July, with an average maximum UV index of 7.

What is the warmest month in Onomichi?

With an average high-temperature of 30.8°C (87.4°F) and an average low-temperature of 22.9°C (73.2°F), August is the warmest month.

When is the sea warmest in Onomichi?

The month with the warmest seawater is August, with an average sea temperature of 27.2°C (81°F).

What month has the most sunshine in Onomichi?

With an average of 10.6h of sunshine, August has the most sunshine of the year in Onomichi.

What is the month with the shortest days in Onomichi?

With an average of 9.9h of daylight, December has the shortest days of the year in Onomichi.
Average temperature - Onomichi, Japan
Average pressure - Onomichi, Japan

The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).

Average wind speed - Onomichi, Japan

The windiest month (with the highest average wind speed) is January (10.5km/h).
The calmest month (with the lowest average wind speed) is June (6.9km/h).

Average rainfall - Onomichi, Japan
Average rainfall days - Onomichi, Japan
Average snowfall - Onomichi, Japan

The month with the highest snowfall is January (6mm).
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days - Onomichi, Japan

The month with the highest number of snowfall days is January (3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature - Onomichi, Japan

The best month for swimming (with the highest average sea temperature) is August (27.2°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).

Average daylight / Average sunshine - Onomichi, Japan

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

The month with the most sunshine is August (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 4.8h).

Average sunshine days - Onomichi, Japan
Average visibility - Onomichi, Japan

The month with the highest visibility is January (10km).
Months with the lowest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).