Weather in May
Temperature
The average high-temperature mildly increases in May, edging from an enjoyable 18°C (64.4°F) in April to a pleasant 22°C (71.6°F). Izumo temperatures generally rest at a low of 12°C (53.6°F) during the May nights.Rainfall
In Izumo, during May, the rain falls for 14 days and regularly aggregates up to 122mm (4.8") of precipitation. Throughout the year, there are 224 rainfall days, and 1774mm (69.84") of precipitation is accumulated.Sea temperature
In Izumo, the average seawater temperature in May is 17°C (62.6°F).Note: Swimming is not a pleasurable activity for most people when the water temperature is 17°C (62.6°F). Breathing control gets harder as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Izumo, the average length of the day in May is 14h and 2min.On the first day of May in Izumo, sunrise is at 05:17 and sunset at 18:54. On the last day of the month, sunrise is at 04:55 and sunset at 19:17 JST.
Sunshine
The months with the most sunshine are May and August, with an average of 7h of sunshine.UV index
In May, the average daily maximum UV index in Izumo is 9. A UV Index estimate of 8 to 10 represents a very high health hazard from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 9 transforms into these recommendations:
Stay protected; otherwise, skin and eyes can suffer rapid damage. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What are May temperatures in Izumo?
How much does it rain in Izumo in May?
What is the sea water temperature in May in Izumo?
How many hours of daylight does Izumo have in May?
When is the sunrise / sunset in May in Izumo?
What are the months with the most sunshine in Izumo?
How long on average sun shines in May in Izumo?
What is the UV index intensity in May in Izumo?
Average temperature in May
Izumo, Japan
- Average high temperature in May: 22°C
The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in May: 12°C
The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (0°C).
Average rainfall in May
Izumo, Japan
- Average rainfall in May: 122mm
The wettest month (with the highest rainfall) is July (254mm).
The driest month (with the least rainfall) is February (115mm).
Average rainfall days in May
Izumo, Japan
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is January (26 days).
The month with the least rainy days is May (14 days).
Average sea temperature in May
Izumo, Japan
- Average sea temperature in May: 17°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest months (with the lowest average sea temperature) are February and March (13°C).
Average daylight in May /
Average sunshine in May
Izumo, Japan
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 7h
The months with the most sunshine are May and August (Average sunshine: 7h).
The months with the least sunshine are January, February and December (Average sunshine: 3h).
Average UV index in May
Izumo, Japan
- Average UV index in May: 9
The month with the highest UV index is July (UV index 11).
The month with the lowest UV index is December (UV index 2).
Izumo, Japan
Weather forecast for your location
2. Allow the app to use your location
