Climate and monthly weather forecast
Fukuoka, Japan

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The climate of Fukuoka

Tucked away in the Kyushu region of Japan, Fukuoka enjoys a Humid Subtropical climate as denoted by the Köppen climate classification "Cfa". This climatic character implies a weather pattern that is generally warm, with humid summers and cool, potentially snowy, winters. The weather parameters show variations through different times of the year.

The temperature in Fukuoka hits a high point from 26.5°C (79.7°F) to 31.6°C (88.9°F) during the months of June to September. Conversely, cooler temperatures are prevalent from December to February, with lows dropping to near freezing at 3.2°C (37.8°F) to 3.5°C (38.3°F). Relative humidity tends to remain fairly constant year-round, hovering between 64% to 76%, reflecting the city's coastal nature and its proximity to the sea.

Precipitation is another factor that markedly varies throughout the year. The wettest period is from June to September, with rainfall reaching a peak at 272mm (10.71") in June and 266mm (10.47") in July. The months of December to February receive considerably less rainfall, reaching a low point at 54mm (2.13") in December. The weather also incorporates periods of measurable snowfall, mainly occurring in January and February, with respective snowfall levels of 20mm (0.79") and 10mm (0.39").

The best time to visit Fukuoka

Considering the varied weather patterns in Fukuoka, the most favorable time to visit would be during the months of April and May, when temperatures are mild, hovering between a pleasant 14°C (57.2°F) to 23.5°C (74.3°F). Rainfall is at moderate levels with 109mm (4.29") to 125mm (4.92") of precipitation, providing conditions conducive for outdoor activities without the intrusive humidity or downpours that mark the summer months. Visitors could also leverage the lengthening daylight hours, which stretch from 13 hours in April to 13.9 hours in May, maximizing their sightseeing opportunities.

The worst time to visit Fukuoka

The months of June and July prove to be challenging for tourists due to high rainfall levels of 272mm (10.71") and 266mm (10.47"), respectively. These months also bring high temperatures, soaring from 26.5°C (79.7°F) to 30.7°C (87.3°F), combined with a relative humidity of 76% and 75%. These conditions can potentially discomfort those unaccustomed to such humid and rainy tropical weather. Moreover, these weather conditions can disrupt outdoor activities and make sightseeing less enjoyable.

Spring weather in Fukuoka

The spring months in Fukuoka bring about a transformation with moderate temperatures and slightly increased precipitation. March sees temperatures range from 6.1°C (43°F) to 14°C (57.2°F), warming up to between 10.7°C (51.3°F) and 19.2°C (66.6°F) in April, and further to 15°C (59°F) to 23.5°C (74.3°F) in May. The rainfall during these months ranges from 109mm (4.29") to 139mm (5.47"), a considerable uptick from the winter's comparatively drier conditions.

Summer weather in Fukuoka

Summer in Fukuoka is distinguished by its hot and humid weather with temperatures ranging from 19.4°C (66.9°F) to 31.6°C (88.9°F). The months from June to August combine consistent warmth with a significant increase in rainfall, peaking at 272mm (10.71") in June and decreasing minimally to 266mm (10.47") in July. While the warmth and humidity prevail throughout these months, daylight hours of approximately 14 hours provide ample opportunity for daytime activities.

Autumn weather in Fukuoka

Autumn brings a cooling trend to Fukuoka with temperatures starting at 20.6°C (69.1°F) to 27.8°C (82°F) in September and ending at 9.6°C (49.3°F) to 17.6°C (63.7°F) in November. This period also signifies a decrease in precipitation, with September's 175mm (6.89") dwindling to November's 81mm (3.19"). Despite the changing weather, daylight hours remain fairly substantial, starting at 12.4 hours in September and winding down to 10.4 hours in November.

Winter weather in Fukuoka

Winter in Fukuoka introduces colder weather with temperatures falling to between 3.2°C (37.8°F) and 12.5°C (54.5°F). Despite its coastal location, the city does experience snowfall, particularly in January and February, with a snowfall of up to 20mm (0.79") in January. Precipitation levels subside dramatically during these months, with an all-year low of 54mm (2.13") in December. Daylight hours also decrease, with a minimum of 10 hours in December and January.

Weather in January

Despite the new year, the weather in Fukuoka, Japan, does not deviate much from the winter norms of the previous year. The chill in the air is palpable, with the mercury dipping to 3.2°C (37.8°F). The humidity levels are typically moderate, enabling residents to enjoy outdoor activities without discomfort. Weather in January »

Weather in February

February's moderate climatic manifest in Fukuoka heralds the imminent arrival of spring. Albeit the temperatures exhibit a minor rise, the weather conditions substantially mirror those of January. Residents witness intermittent rainfall that moderately surpasses its predecessor. Weather in February »

Weather in March

Meteoric changes characterize March weather in Fukuoka, Japan, as it transitions into spring. The substantial increment in temperature, up to 14°C (57.2°F), signals the retreat of winter. More daylight hours begin to surface, generating longer afternoons perfect for outdoor leisure activities. Weather in March »

Weather in April

April in Fukuoka induces the true onset of spring, with vibrant blossoms dotting the landscape. The youngest cherry trees in the city start blossoming, signaling the arrival of warmer days. An escalation in humidity accompanies the meteoric rise in temperature, reaching up to 19.2°C (66.6°F). Weather in April »

Weather in May

May sees Fukuoka in full spring glory, with weather conditions leaning towards the hotter end of the spectrum. Outdoor festivals and activities are popular among locals and tourists alike, with longer daylight hours making it possible. Weather in May »

Weather in June

The arrival of summer is clearly felt in Fukuoka during June, with the rise in heat, humidity, and rainfall. Festive vibes permeate the city during some of its most significant traditional summer festivals, despite the humidity. The highest rainfall levels of the year, 272mm (10.71"), engulf the city during this time, doubling the May count. Weather in June »

Weather in July

The intensified weather in Fukuoka during July marks the peak of summer. Traditional street celebrations are frequent, in spite of the high heat and increased rainfall. The city witnesses a surge in temperature, soaring to a whopping 30.7°C (87.3°F). Weather in July »

Weather in August

The depiction of August in Fukuoka is often that of a hot summer month. A unique facet of the month is the slightly tapering rainfall after July's deluge. Festivities continue unabated in the height of summer, despite the temperature peaking at 31.6°C (88.9°F). Weather in August »

Weather in September

Cooling trends characterize September as Fukuoka transitions into Autumn, providing a respite from the summer heat. Silvergrass fields shimmering in the sunlight are a common sight, making the city even more picturesque. The sea temperature, while still high, gradually decreases from the summer peak. Weather in September »

Weather in October

October marks a substantial tempering of Fukuoka's weather conditions. Autumn-colored leaves painting the cityscape indicate the full advent of fall. A noticeable dip in rainfall, only 81mm (3.19"), and further reduction in humidity levels make it more comfortable for both residents and tourists. Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Fukuoka, Japan, with an average temperature ranging between max 17.6°C (63.7°F) and min 9.6°C (49.3°F). In November, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 23°C (73.4°F) in October to an enjoyable 17.6°C (63.7°F). Weather in November »

Weather in December

December in Fukuoka sees a return to the chill of winter, with temperatures registering a further drop. The city witnesses the first snowflakes of the season, transforming it into a winter wonderland. Another distinctive feature of the month is the shortest daylight period, reducing the duration of sunlight. Weather in December »
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Frequently asked questions

What time of the year is the coldest in Fukuoka?

Fukuoka, Japan, records the coldest temperatures in January, averaging a high of 9.8°C (49.6°F) and a low of 3.2°C (37.8°F).

What are the least humid months in Fukuoka?

January and February, with an average relative humidity of 64%, are the least humid months in Fukuoka.

How many days does it rain in Fukuoka?

Throughout the year, there are 128.6 rainfall days, and 1632mm (64.25") of precipitation is accumulated.

When does it snow in Fukuoka?

January through March are months with snowfall.

What is the snowiest month in Fukuoka?

The months with the most snowfall are January and February, with an average 20mm (0.79") of accumulated snow.

How many days does it snow in Fukuoka?

Throughout the year, in Fukuoka, Japan, there are 17.4 snowfall days, and 50mm (1.97") of snow is accumulated.

What is the month with the least sunshine in Fukuoka?

January has the least sunshine of the year in Fukuoka, Japan, with an average of 3.2h of sunshine.

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

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

When is the sea coldest in Fukuoka?

The month with the coldest seawater in Fukuoka is March, with an average sea temperature of 14.2°C (57.6°F).

When it does not snow in Fukuoka?

In Fukuoka, Japan, snow does not fall in April through December.

What is the most humid month in Fukuoka?

The most humid month is June, with an average relative humidity of 76%.

What is the wettest month in Fukuoka?

June is the month with the most rainfall. Rain falls for 12.4 days and accumulates 272mm (10.71") of precipitation.

When are the longest days in Fukuoka?

With an average of 14h and 18min of daylight, June has the longest days of the year in Fukuoka, Japan.

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

The month with the highest UV index is July, with an average maximum UV index of 11.

What is the hottest time of year in Fukuoka?

During the warmest month in Fukuoka, August, temperatures average a high of 31.6°C (88.9°F) and a low of 24.5°C (76.1°F).

When is the sea warmest in Fukuoka?

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

What month has the most sunshine in Fukuoka?

With an average of 6.4h of sunshine, August has the most sunshine of the year in Fukuoka, Japan.

What is the driest month in Fukuoka?

December is the month with the least rainfall. Rain falls for 10.3 days and accumulates 54mm (2.13") of precipitation.

What is the month with the shortest days in Fukuoka?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST) in Fukuoka?

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

Average humidity
Fukuoka, Japan

Average humidity - Fukuoka, Japan

The month with the highest relative humidity is June (76%).
The months with the lowest relative humidity are January and February (64%).

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Average rainfall
Fukuoka, Japan

Average rainfall - Fukuoka, Japan

The wettest month (with the highest rainfall) is June (272.1mm).
The driest month (with the least rainfall) is December (53.8mm).

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Average rainfall days
Fukuoka, Japan

Average rainfall days - Fukuoka, Japan

The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is October (7.3 days).

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Average snowfall
Fukuoka, Japan

Average snowfall - Fukuoka, Japan

The months with the highest snowfall are January and February (20mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days
Fukuoka, Japan

Average snowfall days - Fukuoka, Japan

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature
Fukuoka, Japan

Average sea temperature - Fukuoka, 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 March (14.2°C).

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Average daylight / Average sunshine
Fukuoka, Japan

Average daylight / Average sunshine - Fukuoka, Japan

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is August (Average sunshine: 6h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Fukuoka, Japan

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