Fukuoka, Japan experiences average highs of 20°C (68°F) and lows of 14°C (57°F) throughout the year. Rainfall is moderate, averaging about 12 rainy days per month. Average highs have stayed broadly stable across the available records.
Fukuoka, Japan Weather & Climate 2026
Monthly climate averages for Fukuoka, Japan. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.7/10
Best: May, October
UV Index
5
Low
Temperature 20°C / 14°C
Feels Like 21°C / 14°C
Rainy Days 12
Rainfall 148 mm
Sunshine 8 h
Humidity 78%
Wind Speed 14 km/h
Dew Point 13°C
Snow Days 2 days
Frost Days 2 days
Hottest Month
32°C
August
Avg Low25°C
Rain15days
Coldest Month
4°C
January
Avg High9°C
Rain9days
Driest Month
7days
November
Avg High17°C
Avg Low11°C
Windiest Month
15 km/h
February (Gusts 40)
Sea Temperature
12°C – 30°C
Warmest water: August (
30°C
)
Worst Time to Visit
Consider avoiding January, July, August due to frequent rain.
Sun Position
Sunrise 05:09
Daylight 14.4h
Sunset 19:31
Live conditions—
Fukuoka on the map · live conditions
Fukuoka, Japan
- Continent
- Asia
- Country
- Japan
- City
- Fukuoka
- Population
- 1.6M
- Coordinates
- 33.60°, 130.42°
Seasonal Breakdown
Spring
Mar–May
Avg High 19°C
Avg Low 11°C
Rain 11 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 29°C
Avg Low 23°C
Rain 16 days/mo
Autumn
Sep–Nov
Avg High 23°C
Avg Low 16°C
Rain 10 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 10°C
Avg Low 4°C
Rain 9 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 9°C / 4°C . Feb: 10°C / 4°C . Mar: 15°C / 7°C . Apr: 19°C / 11°C . May: 23°C / 16°C . Jun: 26°C / 20°C . Jul: 30°C / 25°C . Aug: 32°C / 25°C . Sep: 28°C / 22°C . Oct: 23°C / 16°C . Nov: 17°C / 11°C . Dec: 11°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 67 mm. Feb: 81 mm. Mar: 113 mm. Apr: 132 mm. May: 171 mm. Jun: 270 mm. Jul: 293 mm. Aug: 232 mm. Sep: 194 mm. Oct: 91 mm. Nov: 70 mm. Dec: 58 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 74%. Feb: 73%. Mar: 76%. Apr: 77%. May: 79%. Jun: 84%. Jul: 85%. Aug: 81%. Sep: 83%. Oct: 79%. Nov: 76%. Dec: 73%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 15 km/h . Mar: 15 km/h . Apr: 14 km/h . May: 13 km/h . Jun: 12 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 13 km/h . Oct: 13 km/h . Nov: 13 km/h . Dec: 14 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 7h. Mar: 8h. Apr: 9h. May: 9h. Jun: 8h. Jul: 9h. Aug: 10h. Sep: 8h. Oct: 8h. Nov: 8h. Dec: 6h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 13°C . Feb: 12°C . Mar: 13°C . Apr: 16°C . May: 19°C . Jun: 23°C . Jul: 28°C . Aug: 30°C . Sep: 29°C . Oct: 24°C . Nov: 19°C . Dec: 15°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 6. Jun: UV 7. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 3 days. Feb: 2 days. Mar: 0 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 1 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 41 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 32°C | Aug · 32°C |
| Coldest month | Feb 2025 · 2°C | Jan · 4°C |
| Wettest month | Jun 2025 · 399 mm | Jul · 293 mm |
| Windiest month | Mar 2025 · 17 km/h | Feb · 15 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Fair April
Good May best
Excellent June
Wet July
Wet August
Wet September
Wet October best
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 9°C / 4°C | 6°C / 1°C | 9days (67 mm) Wet | 6.6h Fair | 74% Muggy | 3.3 Moderate | Poor | View Details |
| February | 10°C / 4°C | 7°C / 1°C | 9days (81 mm) Wet | 7.4h Good | 73% Muggy | 3.9 Moderate | Poor | View Details |
| March | 15°C / 7°C | 13°C / 5°C | 11days (113 mm) Wet | 7.9h Good | 76% Humid | 5.1 High | Fair | View Details |
| April | 19°C / 11°C | 19°C / 10°C | 10days (132 mm) Wet | 8.5h Good | 77% Humid | 5.9 High | Good | View Details |
| May best | 23°C / 16°C | 25°C / 16°C | 12days (171 mm) Wet | 8.8h Good | 79% Humid | 6.4 High | Excellent | View Details |
| June | 26°C / 20°C | 30°C / 23°C | 15days (270 mm) Wet | 7.7h Good | 84% Humid | 6.5 High | Wet | View Details |
| July | 30°C / 25°C | 36°C / 29°C | 18days (293 mm) Wet | 9h Good | 85% Humid | 7.5 Very High | Wet | View Details |
| August | 32°C / 25°C | 37°C / 31°C | 15days (232 mm) Wet | 10h Excellent | 81% Humid | 7.4 Very High | Wet | View Details |
| September | 28°C / 22°C | 32°C / 26°C | 15days (194 mm) Wet | 7.9h Good | 83% Humid | 6.4 High | Wet | View Details |
| October best | 23°C / 16°C | 23°C / 17°C | 9days (91 mm) Wet | 7.9h Good | 79% Humid | 4.9 Moderate | Excellent | View Details |
| November | 17°C / 11°C | 16°C / 9°C | 7days (70 mm) Good | 7.6h Good | 76% Humid | 3.7 Moderate | Good | View Details |
| December | 11°C / 5°C | 8°C / 3°C | 8days (58 mm) Wet | 6.3h Fair | 73% Muggy | 3.1 Moderate | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Fukuoka are May, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Fukuoka, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Fukuoka is August, with average daytime highs of 32°C (89°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Fukuoka is January, with average overnight lows of 4°C (38°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Fukuoka is July, averaging 293mm of precipitation across 18 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Fukuoka runs through July, June, August, September, with the heaviest rainfall in July. Based on 10-year averages for Fukuoka.
Fukuoka receives approximately 96 sunshine hours per year. The sunniest month is August with around 10 hours. Based on climate data for Fukuoka.
The least favorable months to visit Fukuoka are January, July, August, primarily due to frequent rain. For the best conditions, consider May, October instead.
The annual average UV index in Fukuoka is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Fukuoka is 78%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in June, July, August, September, October average 27°C (81°F), which is warm and comfortable for swimming and water activities.
Yes, Fukuoka receives snow. Months with snowfall average 2 snow days and 2 cm (1 in) of accumulation, with about 2 frost days during winter.
Average wind speeds in Fukuoka are 14 km/h (9 mph). The windiest month is February with peak winds reaching 15 km/h (10 mph) (gusts up to 40 km/h / 25 mph).
Fukuoka averages 3 clear-sky days per month with overall cloud cover around 63%. The clearest skies occur in November.
The annual average dew point in Fukuoka is 13°C (55°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Fukuoka has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Fukuoka ranges from 14°C (57°F) to 21°C (70°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Fukuoka, with a climate score of 6.6/10. Consider visiting during May, October instead for better conditions.
For June in Fukuoka, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 26°C (79°F) and 15 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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