Weather in January
Temperature
January is the coldest month, with an average high-temperature of 7°C (44.6°F) and an average low-temperature of 0°C (32°F).Rainfall
In Izumo, in January, during 26 rainfall days, 132mm (5.2") of precipitation is typically accumulated. Throughout the year, in Izumo, there are 224 rainfall days, and 1774mm (69.84") of precipitation is accumulated.Sea temperature
In Izumo, Japan, in January, the average water temperature is 15°C (59°F).Note: Swimming is not enjoyable for most people in water that is 15°C (59°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.
Daylight
In January, the average length of the day is 10h and 5min.On the first day of January, sunrise is at 07:17 and sunset at 17:06. On the last day of the month, sunrise is at 07:09 and sunset at 17:34 JST.
Sunshine
January, February and December, with an average of 3h of sunshine, are months with the least sunshine.UV index
In Izumo, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 3 in January transforms into this advice:
Prioritize safety - Recommendations to avert sunburn are shared. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What is the coldest time of year in Izumo?
Is January cold in Izumo?
How much does it rain in Izumo in January?
What is the sea water temperature in January in Izumo?
How many hours of daylight does Izumo have in January?
When is the sunrise / sunset in January in Izumo?
What are the months with the least sunshine in Izumo?
How long on average sun shines in January in Izumo?
How high is the UV index in January in Izumo?
Average temperature in January
Izumo, Japan
- Average high temperature in January: 7°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 January: 0°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 January
Izumo, Japan
- Average rainfall in January: 132mm
The wettest month (with the highest rainfall) is July (254mm).
The driest month (with the least rainfall) is February (115mm).
Average rainfall days in January
Izumo, Japan
- Average rainfall days in January: 26 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 January
Izumo, Japan
- Average sea temperature in January: 15°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 January /
Average sunshine in January
Izumo, Japan
- Average daylight in January: 10h and 1min
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 January: 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 January
Izumo, Japan
- Average UV index in January: 3
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
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