Ōnojō, Fukuoka Weather by Month and Climate Averages

How much rain does Ōnojō get?

Ōnojō gets 1635 mm of precipitation in an average year, spread over about 117 days with measurable rain. That is more rainy days than 54% of Japan.

July is the wettest month, with 291 mm. February is the driest, with 61 mm. July has the most rainy days, about 12.

The longest dry spell in the last five years lasted 19 days, to November 13, 2022.

Ōnojō weather by month

Ōnojō weather in January

In January, Ōnojō averages a high of 10°C and a low of 3°C. It gets 71 mm of precipitation over about 11 rainy days. The sun is out about 37% of daylight hours. The January record high is 20°C (2002) and the record low is -4°C (1970).

Ōnojō weather in February

In February, Ōnojō averages a high of 12°C and a low of 4°C. It gets 61 mm of precipitation over about 9 rainy days. The sun is out about 37% of daylight hours. The February record high is 24°C (2004) and the record low is -5°C (1977).

Ōnojō weather in March

In March, Ōnojō averages a high of 15°C and a low of 7°C. It gets 103 mm of precipitation over about 11 rainy days. The sun is out about 36% of daylight hours. The March record high is 27°C (2025) and the record low is -4°C (1994).

Ōnojō weather in April

In April, Ōnojō averages a high of 20°C and a low of 11°C. It gets 114 mm of precipitation over about 9 rainy days. The sun is out about 38% of daylight hours. The April record high is 30°C (2004) and the record low is 1°C (1972). April is one of the most comfortable months to visit.

Ōnojō weather in May

In May, Ōnojō averages a high of 24°C and a low of 16°C. It gets 135 mm of precipitation over about 9 rainy days. The sun is out about 33% of daylight hours. The May record high is 32°C (1998) and the record low is 7°C (1974). May is one of the most comfortable months to visit.

Ōnojō weather in June

In June, Ōnojō averages a high of 27°C and a low of 20°C. It gets 242 mm of precipitation over about 12 rainy days. The sun is out about 21% of daylight hours. The June record high is 37°C (2004) and the record low is 11°C (1978).

Ōnojō weather in July

In July, Ōnojō averages a high of 31°C and a low of 24°C. It gets 291 mm of precipitation over about 12 rainy days. The sun is out about 23% of daylight hours. The July record high is 38°C (2018) and the record low is 16°C (2026).

Ōnojō weather in August

In August, Ōnojō averages a high of 32°C and a low of 25°C. It gets 198 mm of precipitation over about 10 rainy days. The sun is out about 39% of daylight hours. The August record high is 38°C (2018) and the record low is 17°C (1972).

Ōnojō weather in September

In September, Ōnojō averages a high of 28°C and a low of 21°C. It gets 174 mm of precipitation over about 10 rainy days. The sun is out about 38% of daylight hours. The September record high is 37°C (1990) and the record low is 11°C (1987).

Ōnojō weather in October

In October, Ōnojō averages a high of 23°C and a low of 16°C. It gets 95 mm of precipitation over about 7 rainy days. The sun is out about 52% of daylight hours. The October record high is 32°C (2019) and the record low is 5°C (1986). October is one of the most comfortable months to visit.

Ōnojō weather in November

In November, Ōnojō averages a high of 18°C and a low of 10°C. It gets 87 mm of precipitation over about 8 rainy days. The sun is out about 49% of daylight hours. The November record high is 28°C (2011) and the record low is 1°C (1976). November is one of the most comfortable months to visit.

Ōnojō weather in December

In December, Ōnojō averages a high of 13°C and a low of 5°C. It gets 66 mm of precipitation over about 10 rainy days. The sun is out about 40% of daylight hours. The December record high is 26°C (2018) and the record low is -3°C (1976).

Sunshine, humidity and wind in Ōnojō

October is the sunniest month in Ōnojō, with sunshine about 52% of daylight hours. June is the cloudiest, at 21%. Over the year the sun shines about 37% of daylight hours. Ōnojō is cloudier than 61% of Japan.

Humidity peaks in July at 80% and is lowest in April at 67%.

Ōnojō has about 34 days a year above 32°C. Ōnojō is hotter than 88% of Japan.

Ōnojō weather records

The hottest temperature on record at the Ōnojō station is 38°C, on July 20, 2018. The coldest is -5°C, on February 16, 1977.

The wettest day on record brought 253 mm of rain, on July 25, 2009.

34 all-time records have been set at the station since 1970.

The best time to visit Ōnojō

The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 21°C.

Winter (December–February) is chilly, with average highs around 12°C and lows near 4°C.

Spring (March–May) is mild, with average highs around 20°C and lows near 11°C.

Summer (June–August) is hot, with average highs around 30°C and lows near 23°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 23°C and lows near 16°C.

Ōnojō climate questions

How much rain does Ōnojō get?

Ōnojō gets 1635 mm of precipitation in an average year, over about 117 rainy days.

What is the wettest month in Ōnojō?

July is the wettest month in Ōnojō, with 291 mm. February is the driest, with 61 mm.

How many rainy days does Ōnojō have a year?

Ōnojō has about 117 days with measurable rain in an average year. July has the most, about 12.

What is the hottest month in Ōnojō?

August is the warmest month in Ōnojō, with an average high of 32°C.

What is the coldest month in Ōnojō?

January is the coldest month in Ōnojō, with an average low of 3°C.

What is the record high temperature in Ōnojō?

The record high at the Ōnojō station is 38°C, set on July 20, 2018. The record low is -5°C, on February 16, 1977.

What is the sunniest month in Ōnojō?

October is the sunniest month in Ōnojō, with sunshine about 52% of daylight hours. June is the cloudiest.

What is the best time to visit Ōnojō?

The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 21°C.