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
Weather in January
Temperature
The month of January, characterized by an average high of 6.3°C (43.3°F) and a low of -1.5°C (29.3°F), is recognized as the coldest.Humidity
In January, the average relative humidity is 74%.Rainfall
January is the month with the least rainfall in Yaotsu, Japan. Rain falls for 12.9 days and accumulates 42mm (1.65") of precipitation.Snowfall
Months with snowfall are January through March and December. The month with the most snowfall is January, when snow falls for 6.8 days and typically aggregates up to 57mm (2.24") of snow.Daylight
In January, the average length of the day is 10h and 4min.On the first day of the month, sunrise is at 07:00 and sunset at 16:48. On the last day of January, sunrise is at 06:52 and sunset at 17:17 JST.
Sunshine
The average sunshine in January is 5.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 suggests this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold does it get in January?
What is the average humidity in January in Yaotsu?
What is the driest month?
How much does it rain in January?
What is the snowiest month?
How much does it snow in January?
What is the average length of the day in January in Yaotsu?
What time are sunrise and sunset in January?
How many hours of sunshine does Yaotsu have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Yaotsu, Japan
- Average high temperature in January: 6.3°C
The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in January: -1.5°C
The month with the highest average low temperature is August (22.1°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).
Average pressure in January
Yaotsu, Japan
- Average pressure in January: 1018.5mbar
The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in January
Yaotsu, Japan
- Average wind speed in January: 7.5km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest months (with the lowest average wind speed) are July and August (6.2km/h).
Average humidity in January
Yaotsu, Japan
- Average humidity in January: 74%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is May (70%).
Average rainfall in January
Yaotsu, Japan
- Average rainfall in January: 42mm
The wettest month (with the highest rainfall) is July (138mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in January
Yaotsu, Japan
- Average rainfall days in January: 12.9 days
The month with the highest number of rainy days is March (14.7 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in January
Yaotsu, Japan
- Average snowfall in January: 57mm
The month with the highest snowfall is January (57mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Yaotsu, Japan
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Yaotsu, 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: 5h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in January
Yaotsu, Japan
- Average sunshine days in January: 12.6 days
The month with the most sunshine days is August (19.3 days).
The month with the least sunshine days is December (12.4 days).
Average UV index in January
Yaotsu, Japan
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Yaotsu, Japan
- Average cloud cover in January: 37
The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is November (Cloud cover 31).
Average visibility in January
Yaotsu, Japan
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).
Yaotsu, Japan
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