January weather forecastObu, Japan
January weather for Obu, Japan: The month with the most snowfall in Obu, Japan, is January, when snow falls for 2.6 days and typically aggregates up to 18mm (0.71") of snow. January, the same as December, in Obu, Japan, is another chilly winter month, with an average temperature varying between 1.6°C (34.9°F) and 8.1°C (46.6°F).
January
Weather in January
January, the same as December, in Obu, Japan, is another chilly winter month, with an average temperature varying between 1.6°C (34.9°F) and 8.1°C (46.6°F).Temperature
With its high average temperature of 8.1°C (46.6°F) and a low of 1.6°C (34.9°F), January is regarded as the coldest month.Humidity
The average relative humidity in January is 69%.Rainfall
The month with the least rainfall is January, when the rain falls for 8.1 days and typically collects 25mm (0.98") of precipitation.Snowfall
Months with snowfall are January, February and December. The month with the most snowfall in Obu, Japan, is January, when snow falls for 2.6 days and typically aggregates up to 18mm (0.71") of snow.Daylight
In January, the average length of the day in Obu is 10h and 7min.On the first day of the month, sunrise is at 06:59 and sunset at 16:50. On the last day of January, sunrise is at 06:52 and sunset at 17:18 JST.
Sunshine
In Obu, the average sunshine in January is 6h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the UV index of 2 transforms into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Obu, Japan
- Average high temperature in January: 8.1°C
The warmest month (with the highest average high temperature) is August (32.5°C).
The month with the lowest average high temperature is January (8.1°C).
- Average low temperature in January: 1.6°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in January
Obu, Japan
- Average pressure in January: 1018.5mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in January
Obu, Japan
- Average wind speed in January: 11.8km/h
The windiest months (with the highest average wind speed) are January and February (11.8km/h).
The calmest months (with the lowest average wind speed) are June and July (8.6km/h).
Average humidity in January
Obu, Japan
- Average humidity in January: 69%
The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is February (68%).
Average rainfall in January
Obu, Japan
- Average rainfall in January: 25mm
The wettest month (with the highest rainfall) is July (165mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days in January
Obu, Japan
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in January
Obu, Japan
- Average snowfall in January: 18mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Obu, Japan
- Average snowfall days in January: 2.6 days
The month with the highest number of snowfall days is January (2.6 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
Obu, Japan
- Average daylight in January: 10h and 6min
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 54min).
- Average sunshine in January: 6h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in January
Obu, Japan
- Average sunshine days in January: 18.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in January
Obu, Japan
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Obu, Japan
- Average cloud cover in January: 34
The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is November (Cloud cover 33).
Average visibility in January
Obu, Japan
- Average visibility in January: 9km
The month with the highest visibility is February (10km).
The month with the lowest visibility is July (8km).





