Contents
Weather in May
Temperature
The average high-temperature in Fukuoka mildly increases in May, edging from a refreshing 19.2°C (66.6°F) in April to a moderately hot 23.5°C (74.3°F). Fukuoka experiences a steady low-temperature of 15°C (59°F) throughout May.Humidity
The average relative humidity in May is 69%.Rainfall
In May, the rain falls for 10.7 days. Throughout May, 139mm (5.47") of precipitation is accumulated. Throughout the year, in Fukuoka, there are 128.6 rainfall days, and 1632mm (64.25") of precipitation is accumulated.Snowfall
April through December are months without snowfall.Sea temperature
In Fukuoka, the average seawater temperature in May is 18.4°C (65.1°F).Note: Swimming is not a pleasurable activity for most people when the water temperature is 18.4°C (65.1°F). Breathing control gets harder as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Fukuoka, the average length of the day in May is 13h and 54min.On the first day of the month, sunrise is at 05:29 and sunset at 19:01. On the last day of May, in Fukuoka, sunrise is at 05:09 and sunset at 19:22 JST.
Sunshine
In Fukuoka, the average sunshine in May is 6.3h.UV index
In Fukuoka, the average daily maximum UV index in May is 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 9 in May interprets into the following advice:
Take the necessary steps to protect yourself; unprotected skin and eyes are vulnerable to damage. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Fukuoka?
What is the average humidity in May in Fukuoka?
How many days does it rain in May in Fukuoka?
When it does not snow in Fukuoka?
How cold is the water in May in Fukuoka?
What is the average length of the day in May in Fukuoka?
What time are sunrise and sunset in May in Fukuoka?
How long on average sun shines in May in Fukuoka?
How high is the UV index in May in Fukuoka?
Average temperature in May
Fukuoka, Japan
- Average high temperature in May: 23.5°C
The warmest month (with the highest average high temperature) is August (31.6°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in May: 15°C
The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is January (3.2°C).
Average humidity in May
Fukuoka, Japan
- Average humidity in May: 69%
The month with the highest relative humidity is June (76%).
The months with the lowest relative humidity are January and February (64%).
Average rainfall in May
Fukuoka, Japan
- Average rainfall in May: 138.9mm
The wettest month (with the highest rainfall) is June (272.1mm).
The driest month (with the least rainfall) is December (53.8mm).
Average rainfall days in May
Fukuoka, Japan
- Average rainfall days in May: 10.7 days
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).
Average snowfall in May
Fukuoka, Japan
- Average snowfall in May: 0mm
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).
Average snowfall days in May
Fukuoka, Japan
- Average snowfall days in May: 0 days
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).
Average sea temperature in May
Fukuoka, Japan
- Average sea temperature in May: 18.4°C
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).
Average daylight in May /
Average sunshine in May
Fukuoka, Japan
- Average daylight in May: 13h and 5min
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).
- Average sunshine in May: 6h and 2min
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).
Average UV index in May
Fukuoka, Japan
- Average UV index in May: 9
The month with the highest UV index is July (UV index 11).
The months with the lowest UV index are January and December (UV index 3).
Fukuoka, Japan
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