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 Uonuma's coldest month, with temperatures ranging between an average high of 1.9°C (35.4°F) and a low of -3°C (26.6°F).Humidity
The most humid month is January, with an average relative humidity of 88%.Rainfall
The month with the most rainfall is January, when the rain falls for 14.4 days and typically aggregates up to 187mm (7.36") of precipitation.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall in Uonuma. Snow falls for 23 days and accumulates 971mm (38.23") of snow.Daylight
In Uonuma, the average length of the day in January is 9h and 56min.On the first day of the month, sunrise is at 06:58 and sunset at 16:36. On the last day of January, sunrise is at 06:48 and sunset at 17:06 JST.
Sunshine
With an average of 2.3h of sunshine, January has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Uonuma. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 1 in January converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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?
What is the rainiest month?
How much does it rain in January?
What is the snowiest month?
How many days does it snow in January?
How many hours of daylight does Uonuma have in January?
When are sunrise and 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?
What is the UV index reading in January?
Average temperature in January
Uonuma, Japan
- Average high temperature in January: 1.9°C
The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in January: -3°C
The month with the highest average low temperature is August (20.1°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in January
Uonuma, Japan
- Average pressure in January: 1017.6mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in January
Uonuma, Japan
- Average wind speed in January: 12.6km/h
The windiest months (with the highest average wind speed) are January and December (12.6km/h).
The calmest month (with the lowest average wind speed) is July (6.3km/h).
Average humidity in January
Uonuma, Japan
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (74%).
Average rainfall in January
Uonuma, Japan
- Average rainfall in January: 187mm
The wettest month (with the highest rainfall) is January (187mm).
The driest month (with the least rainfall) is May (50mm).
Average rainfall days in January
Uonuma, Japan
- Average rainfall days in January: 14.4 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is May (12.6 days).
Average snowfall in January
Uonuma, Japan
- Average snowfall in January: 971mm
The month with the highest snowfall is January (971mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Uonuma, Japan
- Average snowfall days in January: 23 days
The month with the highest number of snowfall days is January (23 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Uonuma, Japan
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 2h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in January
Uonuma, Japan
- Average sunshine days in January: 1.8 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is January (1.8 days).
Average UV index in January
Uonuma, Japan
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Uonuma, Japan
- Average cloud cover in January: 77
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Uonuma, Japan
- Average visibility in January: 7km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).
