January weather forecastUsuki, Japan
January
Weather in January
January, like December, is another chilly winter month in Usuki, Japan, with an average temperature varying between 9.3°C (48.7°F) and 4.6°C (40.3°F).Temperature
With its high average temperature of 9.3°C (48.7°F) and a low of 4.6°C (40.3°F), January is regarded as the coldest month.Humidity
The average relative humidity in January is 72%.Rainfall
January is the month with the least rainfall. Rain falls for 10.1 days and accumulates 24mm (0.94") of precipitation.Snowfall
Months with snowfall are January, February and December. The month with the most snowfall is January, when snow falls for 4.2 days and typically aggregates up to 6mm (0.24") of snow.Daylight
The average length of the day in January in Usuki is 10h and 15min.On the first day of the month, sunrise is at 07:15 and sunset at 17:16. On the last day of January, in Usuki, Japan, sunrise is at 07:09 and sunset at 17:42 JST.
Sunshine
In January, the average sunshine in Usuki, Japan, is 5.7h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Usuki, Japan. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Usuki, Japan
- Average high temperature in January: 9.3°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in January: 4.6°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (4.6°C).
Average pressure in January
Usuki, Japan
- Average pressure in January: 1021.4mbar
The month with the highest atmospheric pressure is January (1021.4mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in January
Usuki, Japan
- Average wind speed in January: 16km/h
The windiest month (with the highest average wind speed) is January (16km/h).
The calmest month (with the lowest average wind speed) is June (9km/h).
Average humidity in January
Usuki, Japan
- Average humidity in January: 72%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is March (71%).
Average rainfall in January
Usuki, Japan
- Average rainfall in January: 24mm
The wettest month (with the highest rainfall) is July (113mm).
The driest month (with the least rainfall) is January (24mm).
Average rainfall days in January
Usuki, Japan
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is July (21.3 days).
The months with the least rainy days are October and November (9.8 days).
Average snowfall in January
Usuki, Japan
- Average snowfall in January: 6mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Usuki, Japan
- Average snowfall days in January: 4.2 days
The month with the highest number of snowfall days is January (4.2 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
Usuki, Japan
- Average daylight in January: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 5h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in January
Usuki, Japan
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in January
Usuki, 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 and December (UV index 2).
Average cloud cover in January
Usuki, Japan
- Average cloud cover in January: 36
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Usuki, Japan
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).





