January weather forecastOkoppe, Japan
January
Weather in January
January, the same as December, in Okoppe, Japan, is a freezing cold winter month, with an average temperature ranging between max -3.9°C (25°F) and min -7.8°C (18°F).Temperature
The yearly lowest temperatures occur in January and February, averaging a high-temperature of -3.9°C (25°F).Humidity
In January, the average relative humidity is 85%.Rainfall
In Okoppe, in January, during 4.5 rainfall days, 56mm (2.2") of precipitation is typically accumulated. In Okoppe, Japan, during the entire year, the rain falls for 145.9 days and collects up to 766mm (30.16") of precipitation.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 25.5 days and accumulates 289mm (11.38") of snow.Daylight
The average length of the day in January in Okoppe is 9h and 17min.On the first day of the month, sunrise is at 07:03 and sunset at 15:57. On the last day of January, sunrise is at 06:47 and sunset at 16:33 JST.
Sunshine
With an average of 1.8h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In January, a daily UV index of 1 turns into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Okoppe, Japan
- Average high temperature in January: -3.9°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The months with the lowest average high temperature are January and February (-3.9°C).
- Average low temperature in January: -7.8°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (-8.8°C).
Average pressure in January
Okoppe, Japan
- Average pressure in January: 1011.9mbar
The month with the highest atmospheric pressure is October (1014.9mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed in January
Okoppe, Japan
- Average wind speed in January: 16.8km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).
Average humidity in January
Okoppe, Japan
- Average humidity in January: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in January
Okoppe, Japan
- Average rainfall in January: 56mm
The wettest month (with the highest rainfall) is August (110mm).
The driest month (with the least rainfall) is April (40mm).
Average rainfall days in January
Okoppe, Japan
- Average rainfall days in January: 4.5 days
The month with the highest number of rainy days is August (17.9 days).
The months with the least rainy days are January and February (4.5 days).
Average snowfall in January
Okoppe, Japan
- Average snowfall in January: 289mm
The month with the highest snowfall is January (289mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Okoppe, Japan
- Average snowfall days in January: 25.5 days
The month with the highest number of snowfall days is January (25.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Okoppe, Japan
- Average daylight in January: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 1h and 48min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in January
Okoppe, Japan
- Average sunshine days in January: 4.3 days
The month with the most sunshine days is May (13.9 days).
The month with the least sunshine days is December (2.8 days).
Average UV index in January
Okoppe, Japan
- Average UV index in January: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, March, November and December (UV index 1).
Average cloud cover in January
Okoppe, Japan
- Average cloud cover in January: 82
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in January
Okoppe, Japan
- Average visibility in January: 8km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January, February, March, June, July, August and December (8km).
