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
Umi, Japan, experiences its lowest average temperatures in January, reaching a peak of 8.3°C (46.9°F) and a minimum of 2.5°C (36.5°F).Humidity
The average relative humidity in January in Umi is 74%.Rainfall
January is the month with the least rainfall. Rain falls for 13.8 days and accumulates 51mm (2.01") of precipitation.Snowfall
Months with snowfall in Umi are January through March and December. The month with the most snowfall is January, when snow falls for 5.7 days and typically aggregates up to 33mm (1.3") of snow.Daylight
In Umi, the average length of the day in January 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
January has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Umi?
What is the temperature in January in Umi?
What is the average humidity in January in Umi?
What is the driest month in Umi?
How much does it rain in Umi in January?
What is the snowiest month in Umi?
How much does it snow in Umi in January?
What is the average length of the day in January in Umi?
When are sunrise and sunset in January in Umi?
What is the month with the least sunshine in Umi?
How many hours of sunshine does Umi have in January?
What are the months with the lowest UV index in Umi?
How high is the UV index in January in Umi?
Average temperature in January
Umi, 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
Umi, 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
Umi, 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
Umi, 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
Umi, 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
Umi, 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
Umi, 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
Umi, 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
Umi, 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
Umi, 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
Umi, 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
Umi, 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
Umi, 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).
