December weather forecastIzumo, Japan
December
Weather in December
December, the first month of the winter in Izumo, is also a fresh month, with an average temperature fluctuating between 3°C (37.4°F) and 10°C (50°F).Temperature
In Izumo, entering December brings a temperature decrement, reducing from November's enjoyable 16°C (60.8°F) to a fresh 10°C (50°F). In the month of December, Izumo's average low-temperature falls to an icy 3°C (37.4°F).Rainfall
In Izumo, Japan, during December, the rain falls for 24 days and regularly aggregates up to 121mm (4.76") of precipitation. Throughout the year, there are 224 rainfall days, and 1774mm (69.84") of precipitation is accumulated.Sea temperature
In Izumo, in December, the average water temperature is 17°C (62.6°F).Note: Swimming in water with a temperature of 17°C (62.6°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.
Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:59 and sunset at 16:56. On the last day of December, sunrise is at 07:17 and sunset at 17:06 JST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 3h of sunshine.UV index
December is the month with the lowest UV index in Izumo, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Izumo, Japan
- Average high temperature in December: 10°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 December: 3°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 December
Izumo, Japan
- Average rainfall in December: 121mm
The wettest month (with the highest rainfall) is July (254mm).
The driest month (with the least rainfall) is February (115mm).
Average rainfall days in December
Izumo, Japan
- Average rainfall days in December: 24 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 December
Izumo, Japan
- Average sea temperature in December: 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 December /
Average sunshine in December
Izumo, Japan
- Average daylight in December: 9h and 48min
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 December: 3h
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 December
Izumo, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 11).
The month with the lowest UV index is December (UV index 2).
