Climate and monthly weather forecast
Kitakyushu, Japan

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The climate of Kitakyushu

Kitakyushu, Japan falls under the Cfa climate category according to the Köppen climate classification, characterized by a humid subtropical climate with no dry season. Placed on the northern tip of Kyushu Island, Kitakyushu experiences weather patterns that fluctuate over the year, varying between different parameters.

Annual average temperatures range from a mild 4.1°C (39.4°F) in January to a balmy 29.9°C (85.8°F) in August, marking the distinct change of seasons. Winter months experience the lowest temperatures, while the heat intensifies from May to August. Rainfall follows an interesting pattern too, with the highest volume being in July at 183mm (7.2") and declines in the subsequent months, reaching the least point in February with 48mm (1.89"). Relative humidity remains more or less constant throughout the year, oscillating between 71% and 84%.

Snowfall occurs mainly in January and December with the rest of the year virtually snow-free. Kitakyushu receives an average of 10.2 to 14.4 daylight hours throughout the year, with the maximum hours occurring in the months of June and July. A prominent fluctuation is also seen in sunshine hours, with the highest in August (10.6 hours) and the lowest in December and January (4.2 and 4.3 hours respectively).

The best time to visit Kitakyushu

The best time to visit Kitakyushu, for pleasant temperatures and lower instances of rainfall, could be from late April to early June. During this period, temperatures hover between 16.7°C (62.1°F) to 24.3°C (75.7°F). The sea temperature also warms up, reaching 18.3°C (64.9°F) to 21.7°C (71.1°F), ideal for beach activities. Precipitation is at its annual low in May, standing at 69mm (2.72") over 10.3 days.

The worst time to visit Kitakyushu

Kitakyushu sees the highest rainfall in July, with an average of 183mm (7.2") across 20 days. Hence, possibly the least favorable time to visit would be the months of July and June due to high rainfall and high relative humidity at 82% to 84%. The temperatures rise to their annual peak in August, marking an uncomfortable heat.

Spring weather in Kitakyushu

Spring season, encompassing March, April, and May brings a gradual warm-up in temperatures from a pleasant 12.4°C (54.3°F) in March to a warm 21.6°C (70.9°F) in May. Rainfall incrementally increases from 63mm (2.48") to 69mm (2.72") over the season. Average sunlight hours increase from 6.9 hours in March to 9.2 hours a day in May, making the spring season a favourable time for outdoor activities.

Summer weather in Kitakyushu

Summers in Kitakyushu, from June to August, are characterized by rising temperatures and a notably increased volume of rainfall. The temperatures rise from 24.3°C (75.7°F) in June to a peak of 29.9°C (85.8°F) in August. The rainfall hits its annual high of 183mm (7.2") in July and declines to 96mm (3.78") by August.

Autumn weather in Kitakyushu

Autumn in Kitakyushu sees a gradual decrease in temperatures, beginning with 26°C (78.8°F) in September down to 16°C (60.8°F) in November. The rainfall drops significantly post-summer, making it a drier season. Daylight hours also decrease from 12.4 hours in September to 10.4 hours in November, leading to cooler and shorter days.

Winter weather in Kitakyushu

Winters in Kitakyushu, spanning December to February, bring the coldest weather conditions of the year. Temperatures range from a chilly 4.1°C (39.4°F) to 10.4°C (50.7°F). Snowfall is primarily recorded in January and December, with 27mm (1.06") and 10mm (0.39") respectively, presenting a change of scenery for the city.

Weather in January

Kitakyushu, Japan kicks off the year with chilly temperatures, frequently accompanied by snowfall. Conditions evolve from the lowest average temperatures ranging between 4.1°C (39.4°F) and 8.2°C (46.8°F). Notably, January also tends to be a windy month, with gusts reaching up to 20.8km/h (12.9mph). Weather in January »

Weather in February

The climate in February in Kitakyushu experiences a slight increase in temperature from the previous month. However, February records lower snowfall with 16mm (0.63"), reduction from 27mm (1.06") of the preceding month. Amid the cold weather, the residents start to witness extended daylight hours. Weather in February »

Weather in March

The early signs of spring in Kitakyushu become more evident in March. The weather sees a mild temperature rise with decreased snowfall, translating to a mere 4mm (0.16"). Increasing daylight hours and sunshine, coupled with the strengthening UV index, make interruptions in the blanket of winter. Weather in March »

Weather in April

April's weather truly signals the arrival of spring in Kitakyushu, with a leap in average sea temperatures to 15.4°C (59.7°F) from March’s 13.8°C (56.8°F). The city encounters warmer days and brighter skies, making it a great time for outdoor activities. Weather in April »

Weather in May

In Kitakyushu, May represents the transition from spring to summer, featuring warmer temperatures and prolonged sunny days. The city records a rise in relative humidity to 74% indicating the onset of more humid conditions. Despite the increase in humidity, the longer sunshine hours, higher temperature, and less windy days make May very pleasant. Weather in May »

Weather in June

June ushers in the rainy season with the highest rainfall of the year at 126mm (4.96"), more than double what May recorded. As Kitakyushu welcomes summer, the weather becomes hotter and more humid. Despite these conditions, June also benefits from the longest daylight hours of the year, peaking at 14.4 hours. Weather in June »

Weather in July

July in Kitakyushu coincides with the height of summer, boasting the highest average temperatures of the year, reaching up to 27.8°C (82°F). Though temperatures rise, there is also a marked increase in precipitation, with rainfall peaking at 183mm (7.2") for the year, resulting in heightened humidity levels of 84%. Weather in July »

Weather in August

August continues the summer chapter in Kitakyushu, carrying forward most of July's climatic characteristics. The month stands out with the highest average sea temperature in the year at 27.4°C (81.3°F), perfect for beach activities. Weather in August »

Weather in September

The beginning of autumn in September transforms the weather of Kitakyushu greatly, with a plunge in average temperatures to 26°C (78.8°F) from August's peak of 29.9°C (85.8°F). Although the rainy season is past, the city still receives decent amounts of rain, contributing to a comfortable level of humidity. Weather in September »

Weather in October

October in Kitakyushu brings clearer skies and less rainfall, as the city finally waves goodbye to the wet season. In comparison to September, October records lower humidity levels, down to 74% from 79%. The steady cool breeze complements the fall weather nicely, while the reduced cloud cover allows more sunshine. Weather in October »

Weather in November

Kitakyushu in November experiences a sharper dip in temperatures, yet the weather remains considerably mild. As winter begins to mark its presence, snowfall is absent, keeping the city in a transitional phase. The declining sea temperature mirrors the cooling climate, with the daylight hours shortening further. Weather in November »

Weather in December

The last month of the year brings colder temperatures to Kitakyushu, marking the full arrival of winter. December witnesses the mildest snowfall of the season at just 10mm (0.39"), yet enough to transform the cityscape. Despite the chilly weather, sunshine dominates the sky for most of the month. Weather in December »
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Frequently asked questions

What month is the coldest in Kitakyushu?

In Kitakyushu, the average lowest temperatures are observed in January, with a high of 8.2°C (46.8°F) and a low of 4.1°C (39.4°F).

What is the least humid month in Kitakyushu?

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

What is the driest month in Kitakyushu?

The month with the least rainfall in Kitakyushu, Japan, is January, when the rain falls for 13.6 days and typically collects 44mm (1.73") of precipitation.

How many days does it rain in Kitakyushu?

Throughout the year, there are 174.9 rainfall days, and 943mm (37.13") of precipitation is accumulated.

When does it snow in Kitakyushu?

January through March and December are months with snowfall in Kitakyushu.

When does it snow the most in Kitakyushu?

January is the month with the most snowfall in Kitakyushu. Snow falls for 4.9 days and accumulates 27mm (1.06") of snow.

How much does it snow in Kitakyushu?

Throughout the year, there are 12.5 snowfall days, and 57mm (2.24") of snow is accumulated.

What is the month with the least sunshine in Kitakyushu?

January has the least sunshine of the year in Kitakyushu, Japan, with an average of 4.2h of sunshine.

What are the months with the lowest UV index in Kitakyushu?

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

When is the sea coldest in Kitakyushu?

With an average sea temperature of 13.8°C (56.8°F), March is the month with the coldest seawater in Kitakyushu.

When it does not snow in Kitakyushu?

In Kitakyushu, Japan, snow does not fall in April through November.

When are the longest days in Kitakyushu?

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

What is the most humid month in Kitakyushu?

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

What is the wettest month in Kitakyushu?

The month with the most rainfall in Kitakyushu is July, when the rain falls for 20 days and typically aggregates up to 183mm (7.2") of precipitation.

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

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

What is the hottest time of year in Kitakyushu?

In Kitakyushu, the average temperatures in August are the highest, with a peak at 29.9°C (85.8°F) and a low of 24.1°C (75.4°F).

What month is the sea warmest in Kitakyushu?

The month with the warmest seawater is August, with an average sea temperature of 27.4°C (81.3°F).

What month has the most sunshine in Kitakyushu?

The month with the most sunshine in Kitakyushu, Japan, is August, with an average of 10.6h of sunshine.

What is the month with the shortest days in Kitakyushu?

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

Is there Daylight Saving Time (DST) in Kitakyushu?

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

Average temperature
Kitakyushu, Japan

Average temperature - Kitakyushu, Japan

The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (8.2°C).

The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).

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Average pressure
Kitakyushu, Japan

Average pressure - Kitakyushu, Japan

The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).

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Average wind speed
Kitakyushu, Japan

Average wind speed - Kitakyushu, Japan

The windiest months (with the highest average wind speed) are January and December (14.7km/h).
The calmest month (with the lowest average wind speed) is June (9.1km/h).

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Average humidity
Kitakyushu, Japan

Average humidity - Kitakyushu, Japan

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (71%).

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Average rainfall
Kitakyushu, Japan

Average rainfall - Kitakyushu, Japan

The wettest month (with the highest rainfall) is July (183mm).
The driest month (with the least rainfall) is January (44mm).

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Average rainfall days
Kitakyushu, Japan

Average rainfall days - Kitakyushu, Japan

The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is May (10.3 days).

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Average snowfall
Kitakyushu, Japan

Average snowfall - Kitakyushu, Japan

The month with the highest snowfall is January (27mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days
Kitakyushu, Japan

Average snowfall days - Kitakyushu, Japan

The month with the highest number of snowfall days is January (4.9 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
Kitakyushu, Japan

Average sea temperature - Kitakyushu, Japan

The best month for swimming (with the highest average sea temperature) is August (27.4°C).
The coldest month (with the lowest average sea temperature) is March (13.8°C).

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Average daylight / Average sunshine
Kitakyushu, Japan

Average daylight / Average sunshine - Kitakyushu, 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 36min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days
Kitakyushu, Japan

Average sunshine days - Kitakyushu, Japan

The month with the most sunshine days is May (19.5 days).
The month with the least sunshine days is July (8.9 days).

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Average visibility
Kitakyushu, Japan

Average visibility - Kitakyushu, Japan

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

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Kitakyushu, Japan

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