May weather forecastIzumo, Japan

May

Weather in May

May, the last month of the spring in Izumo, is an agreeable month, with an average temperature fluctuating between 12°C (53.6°F) and 22°C (71.6°F).

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.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Izumo, in May, the average high-temperature is 22°C (71.6°F), and the average low-temperature is 12°C (53.6°F).

In Izumo, during May, the rain falls for 14 days and regularly aggregates up to 122mm (4.8") of precipitation.

In Izumo, in May, the average water temperature is 17°C (62.6°F). For most, swimming in 17°C (62.6°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

In Izumo, the average day length in May is 14h and 2min.

In May, on the first day of the month, sunrise is at 05:17 and sunset at 18:54. On the last day of the month, in Izumo, sunrise is at 04:55 and sunset at 19:17 JST.

May and August, with an average of 7h of sunshine, are months with the most sunshine in Izumo.

In May, the average sunshine duration in Izumo is 7h.

In Izumo, the average daily maximum UV index in May is 9. A UV Index value of 8 to 10 symbolizes a very high hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

18°C

22°C

25°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

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).