Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
January stands out as Jozankei's coldest month, with an average high-temperature of -3.7°C (25.3°F) and a low-temperature of -9.8°C (14.4°F).Humidity
With an average relative humidity of 90%, January is the most humid month.Rainfall
In January, the rain falls for 6.5 days. Throughout January, 58mm (2.28") of precipitation is accumulated. In Jozankei, during the entire year, the rain falls for 167.7 days and collects up to 853mm (33.58") of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall in Jozankei is January, when snow falls for 28 days and typically aggregates up to 430mm (16.93") of snow.Daylight
In January, the average length of the day is 9h and 26min.On the first day of January, sunrise is at 07:06 and sunset at 16:10. On the last day of the month, sunrise is at 06:52 and sunset at 16:45 JST.
Sunshine
January has the least sunshine of the year, with an average of 2.2h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 1 during January translates into these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month in Jozankei?
How many days does it snow in January?
How many hours of daylight does Jozankei have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Jozankei, Japan
- Average high temperature in January: -3.7°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in January: -9.8°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).
Average pressure in January
Jozankei, Japan
- Average pressure in January: 1013.3mbar
The month with the highest atmospheric pressure is November (1016.2mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in January
Jozankei, Japan
- Average wind speed in January: 12.2km/h
The windiest months (with the highest average wind speed) are April and December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in January
Jozankei, Japan
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in January
Jozankei, Japan
- Average rainfall in January: 58mm
The wettest month (with the highest rainfall) is August (112mm).
The driest month (with the least rainfall) is April (51mm).
Average rainfall days in January
Jozankei, Japan
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in January
Jozankei, Japan
- Average snowfall in January: 430mm
The month with the highest snowfall is January (430mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in January
Jozankei, Japan
- Average snowfall days in January: 28 days
The month with the highest number of snowfall days is January (28 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jozankei, Japan
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 2h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in January
Jozankei, Japan
- Average sunshine days in January: 2.8 days
The month with the most sunshine days is May (13.4 days).
The month with the least sunshine days is December (2.7 days).
Average UV index in January
Jozankei, Japan
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in January
Jozankei, Japan
- Average cloud cover in January: 78
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is October (Cloud cover 42).
Average visibility in January
Jozankei, Japan
- Average visibility in January: 6km
The months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (6km).
