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
In Onojo, the lowest average temperatures are observed in January, with a high of 8.3°C (46.9°F) and a low of 2.5°C (36.5°F).Humidity
In January, the average relative humidity is 74%.Rainfall
The month with the least rainfall in Onojo is January, when the rain falls for 13.8 days and typically collects 51mm (2.01") of precipitation.Snowfall
Months with snowfall are January through March and December. January is the month with the most snowfall. Snow falls for 5.7 days and accumulates 33mm (1.3") of snow.Daylight
In January, the average length of the day is 10h and 13min.On the first day of the month, sunrise is at 07:22 and sunset at 17:20. On the last day of January, sunrise is at 07:15 and sunset at 17:47 JST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are January temperatures?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
When does it snow the most?
How many days does it snow in January in Onojo?
How many hours of daylight does Onojo have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Onojo have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Onojo, Japan
- Average high temperature in January: 8.3°C
The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in January: 2.5°C
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in January
Onojo, Japan
- Average pressure in January: 1022mbar
The month with the highest atmospheric pressure is January (1022mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in January
Onojo, Japan
- Average wind speed in January: 10.7km/h
The windiest months (with the highest average wind speed) are January and March (10.7km/h).
The calmest month (with the lowest average wind speed) is June (7.6km/h).
Average humidity in January
Onojo, Japan
- Average humidity in January: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is March (73%).
Average rainfall in January
Onojo, Japan
- Average rainfall in January: 51mm
The wettest month (with the highest rainfall) is July (221mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days in January
Onojo, Japan
- Average rainfall days in January: 13.8 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is October (11.4 days).
Average snowfall in January
Onojo, Japan
- Average snowfall in January: 33mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Onojo, Japan
- Average snowfall days in January: 5.7 days
The month with the highest number of snowfall days is January (5.7 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
Onojo, Japan
- Average daylight in January: 10h and 1min
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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Onojo, Japan
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (7.1 days).
Average UV index in January
Onojo, 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
Onojo, Japan
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and October (Cloud cover 39).
Average visibility in January
Onojo, Japan
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, September, October, November and December (9km).
The months with the lowest visibility are June, July and August (8km).
