Climate and monthly weather forecast
Yanai, Japan

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Weather in January

January, like December, is a frosty winter month in Yanai, Japan, with temperature in the range of an average low of 4.3°C (39.7°F) and an average high of 8.7°C (47.7°F). Yanai's January weather, with an average high temperature of 8.7°C (47.7°F) and an average low temperature of 4.3°C (39.7°F), tends to be the coldest of the year. Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Yanai, Japan, with an average temperature fluctuating between 9.3°C (48.7°F) and 4.7°C (40.5°F). February ushers in an average high-temperature of a still chilly 9.3°C (48.7°F), aligning closely with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Yanai, Japan, with temperature in the range of an average low of 6.7°C (44.1°F) and an average high of 12.3°C (54.1°F). Yanai's transition into March is marked by a minor temperature shift, moving from a frosty 9.3°C (48.7°F) in February to a fresh 12.3°C (54.1°F). Weather in March »

Weather in April

April is an enjoyable spring month in Yanai, Japan, with an average temperature ranging between max 16.3°C (61.3°F) and min 10.5°C (50.9°F). The beginning of April marks a minor shift in the average high-temperature, moving from March's cool 12.3°C (54.1°F) to an enjoyable 16.3°C (61.3°F). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Yanai, Japan, with an average temperature fluctuating between 20.8°C (69.4°F) and 14.9°C (58.8°F). Yanai, Japan, observes a slight ascent in average high-temperatures during May, adjusting from a refreshing 16.3°C (61.3°F) in April to an agreeable 20.8°C (69.4°F). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Yanai, Japan, with temperature in the range of an average high of 23.6°C (74.5°F) and an average low of 18.8°C (65.8°F). The onset of June manifests an average high-temperature of a moderately hot 23.6°C (74.5°F), demonstrating a minor variation from the preceding month. Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Yanai, Japan, with an average temperature ranging between max 27.3°C (81.1°F) and min 22.7°C (72.9°F). Observing a slight rise in July, the average high-temperature shifts from June's 23.6°C (74.5°F) to a still moderately hot 27.3°C (81.1°F). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Yanai, Japan, with an average temperature varying between 29.1°C (84.4°F) and 24.3°C (75.7°F). With its high average temperature of 29.1°C (84.4°F) and a low of 24.3°C (75.7°F), August is regarded as the warmest month. The heat index value during August is appraised at a fiery hot 35°C (95°F). Weather in August »

Weather in September

September, the first month of the autumn in Yanai, is still a warm month, with temperature in the range of an average high of 25.8°C (78.4°F) and an average low of 20.8°C (69.4°F). As September commences, the average high-temperature subtly reduces, transitioning from a warm 29.1°C (84.4°F) in August to a still moderately hot 25.8°C (78.4°F). Weather in September »

Weather in October

October, the same as September, in Yanai, Japan, is another pleasant autumn month, with an average temperature varying between 16.5°C (61.7°F) and 21.3°C (70.3°F). The move into October indicates a slight reduction in the average high-temperature, down from September's warm 25.8°C (78.4°F) to a pleasant 21.3°C (70.3°F). Weather in October »

Weather in November

November, the last month of the autumn in Yanai, is another comfortable month, with an average temperature varying between 11.5°C (52.7°F) and 16°C (60.8°F). As October transitions to November, the average high-temperature falls from an agreeable 21.3°C (70.3°F) to an enjoyable 16°C (60.8°F). Weather in November »

Weather in December

December, the first month of the winter in Yanai, is still a cool month, with temperature in the range of an average low of 6.5°C (43.7°F) and an average high of 10.6°C (51.1°F). The onset of December brings a small change in high-temperatures, falling from a refreshing 16°C (60.8°F) in November to a fresh 10.6°C (51.1°F). Weather in December »
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Frequently asked questions

What is the coldest month in Yanai?

January is the coldest month in Yanai, with an average high-temperature of 8.7°C (47.7°F) and an average low-temperature of 4.3°C (39.7°F).

What are the least humid months in Yanai?

The months with the lowest humidity in Yanai are January through March, with an average relative humidity of 71%.

What is the driest month in Yanai?

The month with the least rainfall in Yanai is January, when the rain falls for 13 days and typically collects 39mm (1.54") of precipitation.

How many days does it rain in Yanai?

Throughout the year, in Yanai, there are 168 rainfall days, and 1163mm (45.79") of precipitation is accumulated.

When does it snow in Yanai?

January, February and December are months with snowfall in Yanai, Japan.

How much does it snow in Yanai?

Throughout the year, in Yanai, there are 7.6 snowfall days, and 19mm (0.75") of snow is accumulated.

What is the month with the least sunshine in Yanai?

With an average of 5h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index in Yanai?

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

What month is the sea coldest in Yanai?

February is the month with the coldest seawater in Yanai, Japan, with an average sea temperature of 12.9°C (55.2°F).

When it does not snow in Yanai?

In Yanai, Japan, snow does not fall in March through November.

When are the longest days in Yanai?

The month with the longest days is June, with an average of 14h and 24min of daylight.

What is the most humid month in Yanai?

The most humid month in Yanai is July, with an average relative humidity of 85%.

What is the wettest month in Yanai?

July is the month with the most rainfall in Yanai, Japan. Rain falls for 20.5 days and accumulates 213mm (8.39") of precipitation.

When is the highest UV index in Yanai?

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

What month is the hottest in Yanai?

Yanai's August weather reaches an average high of 29.1°C (84.4°F) and an average low of 24.3°C (75.7°F), making it the warmest month.

When is the sea warmest in Yanai?

The month with the warmest seawater in Yanai is August, with an average sea temperature of 26.8°C (80.2°F).

What month has the most sunshine in Yanai?

The month with the most sunshine is August, with an average of 10.7h of sunshine.

When does it snow the most in Yanai?

December is the month with the most snowfall in Yanai, Japan. Snow falls for 1.8 days and accumulates 8mm (0.31") of snow.

What is the month with the shortest days in Yanai?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST) in Yanai?

Yanai does not observe Daylight Saving Time (DST). JST timezone is used over the entire year.

Average temperature
Yanai, Japan

Average temperature - Yanai, Japan

The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.7°C).

The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).

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Average pressure
Yanai, Japan

Average pressure - Yanai, Japan

The month with the highest atmospheric pressure is January (1021.3mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).

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Average wind speed
Yanai, Japan

Average wind speed - Yanai, Japan

The windiest month (with the highest average wind speed) is January (14.5km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).

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Average humidity
Yanai, Japan

Average humidity - Yanai, Japan

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February and March (71%).

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Average rainfall
Yanai, Japan

Average rainfall - Yanai, Japan

The wettest month (with the highest rainfall) is July (213mm).
The driest month (with the least rainfall) is January (39mm).

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Average rainfall days
Yanai, Japan

Average rainfall days - Yanai, Japan

The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is October (10.5 days).

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Average snowfall
Yanai, Japan

Average snowfall - Yanai, Japan

The month with the highest snowfall is December (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

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Average snowfall days
Yanai, Japan

Average snowfall days - Yanai, Japan

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sea temperature
Yanai, Japan

Average sea temperature - Yanai, Japan

The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest month (with the lowest average sea temperature) is February (12.9°C).

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Average daylight / Average sunshine
Yanai, Japan

Average daylight / Average sunshine - Yanai, Japan

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

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Average sunshine days
Yanai, Japan

Average sunshine days - Yanai, Japan

The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is July (9.3 days).

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Average cloud cover
Yanai, Japan

Average cloud cover - Yanai, Japan

The months with the most cloud cover are January and June (Cloud cover 43).
The months with the least cloud cover are August, October and November (Cloud cover 32).

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Average visibility
Yanai, Japan

Average visibility - Yanai, Japan

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

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Yanai, Japan

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