Climate and monthly weather forecast
Kainan, Japan

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Weather in January

January, like December, is a frosty winter month in Kainan, Japan, with an average temperature varying between 4.8°C (40.6°F) and 8.7°C (47.7°F). With average high temperatures of 8.7°C (47.7°F) and lows of 4.8°C (40.6°F), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Kainan, Japan, with an average temperature varying between 9.5°C (49.1°F) and 4.9°C (40.8°F). Kainan's shift into February sets the average high-temperature at a still frosty 9.5°C (49.1°F), a figure that deviates only slightly from January's 8.7°C (47.7°F). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Kainan, Japan, with an average temperature varying between 7.3°C (45.1°F) and 12.5°C (54.5°F). The onset of March marks a slight increase in the average high-temperature, moving from a chilly 9.5°C (49.1°F) in February to a fresh 12.5°C (54.5°F). Weather in March »

Weather in April

April in Kainan, Japan, is a refreshing spring month, with an average temperature ranging between min 11.2°C (52.2°F) and max 16.6°C (61.9°F). The start of April signals a slight increase in the average high-temperature, moving from a cool 12.5°C (54.5°F) in March to a comfortable 16.6°C (61.9°F). Weather in April »

Weather in May

May, the last month of the spring in Kainan, is a pleasant month, with an average temperature ranging between min 15.8°C (60.4°F) and max 21°C (69.8°F). Kainan's weather in May presents a minor rise in the average high-temperature, moving from a refreshing 16.6°C (61.9°F) in April to an agreeable 21°C (69.8°F). Weather in May »

Weather in June

June, the first month of the summer in Kainan, is a warm month, with an average temperature varying between 23.8°C (74.8°F) and 19.6°C (67.3°F). Transitioning into June, Kainan records an average high-temperature of a warm 23.8°C (74.8°F), almost identical to May's 21°C (69.8°F). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Kainan, Japan, with an average temperature fluctuating between 23.7°C (74.7°F) and 27.3°C (81.1°F). Kainan in July experiences a slight uptick in the average high-temperature, adjusting from June's 23.8°C (74.8°F) to a still warm 27.3°C (81.1°F). Weather in July »

Weather in August

August, the last month of the summer in Kainan, is also a moderately hot month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 24.9°C (76.8°F). With average high temperatures of 29.3°C (84.7°F) and lows of 24.9°C (76.8°F), August is the warmest month. The heat index in August is appraised at a sweltering 35°C (95°F). Weather in August »

Weather in September

September, the first month of the autumn in Kainan, is still a warm month, with temperature in the range of an average low of 21.6°C (70.9°F) and an average high of 26.2°C (79.2°F). September implies a soft temperature shift, with average high-temperatures reducing from August's warm 29.3°C (84.7°F) to a still moderately hot 26.2°C (79.2°F). Weather in September »

Weather in October

October, the same as September, in Kainan, Japan, is an agreeable autumn month, with an average temperature varying between 21.5°C (70.7°F) and 17°C (62.6°F). In Kainan, the average high-temperature in October slightly decreases from a moderately hot 26.2°C (79.2°F) in September to an agreeable 21.5°C (70.7°F). Weather in October »

Weather in November

The last month of the autumn, November, is another refreshing month in Kainan, Japan, with temperature in the range of an average high of 16.2°C (61.2°F) and an average low of 12.1°C (53.8°F). Setting in of November comes with a decrease in the average high-temperature, moving from an agreeable 21.5°C (70.7°F) in October to a comfortable 16.2°C (61.2°F). Weather in November »

Weather in December

December, the first month of the winter in Kainan, is still a cool month, with an average temperature ranging between max 11°C (51.8°F) and min 7.3°C (45.1°F). A shift in Kainan's weather is observed as November turns into December, with the average high temperature reducing from a comfortable 16.2°C (61.2°F) to a cool 11°C (51.8°F). Weather in December »
Updated: Jan 31, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the coldest months in Kainan?

In Kainan, January is the coldest month, with temperatures averaging a high of 8.7°C (47.7°F) and a low of 4.8°C (40.6°F).

What are the least humid months in Kainan?

The months with the lowest humidity are January through March, with an average relative humidity of 70%.

What is the driest month in Kainan?

The months with the least rainfall in Kainan are January and February Rain falls for 15.3 days and accumulates 30mm (1.18") of rain.

How many days does it rain in Kainan?

Throughout the year, there are 173.9 rainfall days, and 658mm (25.91") of precipitation is accumulated.

When does it snow in Kainan?

Months with snowfall in Kainan are January through March and December.

What is the snowiest month in Kainan?

The month with the most snowfall in Kainan is January, when snow falls for 3.8 days and typically aggregates up to 14mm (0.55") of snow.

How much does it snow in Kainan?

Throughout the year, in Kainan, there are 9 snowfall days, and 36mm (1.42") of snow is accumulated.

What is the month with the least sunshine in Kainan?

January has the least sunshine of the year in Kainan, Japan, with an average of 5.2h of sunshine.

When is the lowest UV index in Kainan?

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

When is the sea coldest in Kainan?

With an average sea temperature of 15.6°C (60.1°F), February is the month with the coldest seawater in Kainan, Japan.

When it does not snow in Kainan?

In Kainan, snow does not fall in April through November.

When are the longest days in Kainan?

With an average of 14h and 24min of daylight, June has the longest days of the year in Kainan.

What is the most humid month in Kainan?

July is the most humid month in Kainan, Japan, with an average relative humidity of 84%.

What is the wettest month in Kainan?

July is the month with the most rainfall. Rain falls for 19.4 days and accumulates 111mm (4.37") of precipitation.

What are the months with the highest UV index in Kainan?

July and August, with an average maximum UV index of 7, are months with the highest UV index.

What month is the hottest in Kainan?

The temperatures in Kainan, Japan, reach their highest averages in August, with highs of 29.3°C (84.7°F) and lows of 24.9°C (76.8°F).

When is the sea warmest in Kainan?

August is the month with the warmest seawater in Kainan, Japan, with an average sea temperature of 27.7°C (81.9°F).

What month has the most sunshine in Kainan?

With an average of 11.1h of sunshine, August has the most sunshine of the year.

What is the month with the shortest days in Kainan?

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

Is there Daylight Saving Time (DST) in Kainan?

Kainan, Japan, does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.

Average temperature
Kainan, Japan

Average temperature - Kainan, Japan

The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.7°C).

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (4.8°C).

Average pressure
Kainan, Japan

Average pressure - Kainan, Japan

The months with the highest atmospheric pressure are January and February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).

Average wind speed
Kainan, Japan

Average wind speed - Kainan, Japan

The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is June (11km/h).

Average humidity
Kainan, Japan

Average humidity - Kainan, Japan

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (70%).

Average rainfall
Kainan, Japan

Average rainfall - Kainan, Japan

The wettest month (with the highest rainfall) is July (111mm).
The driest months (with the least rainfall) are January and February (30mm).

Average rainfall days
Kainan, Japan

Average rainfall days - Kainan, Japan

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is May (10.8 days).

Average snowfall
Kainan, Japan

Average snowfall - Kainan, Japan

The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days
Kainan, Japan

Average snowfall days - Kainan, Japan

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature
Kainan, Japan

Average sea temperature - Kainan, Japan

The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is February (15.6°C).

Average daylight / Average sunshine
Kainan, Japan

Average daylight / Average sunshine - Kainan, 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: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days
Kainan, Japan

Average sunshine days - Kainan, Japan

The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is December (7.5 days).

Average UV index
Kainan, Japan

Average UV index - Kainan, Japan

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average visibility
Kainan, Japan

Average visibility - Kainan, Japan

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

Kainan, Japan

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