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
The coldest period is January, when temperatures fluctuate between an average high of -3.8°C (25.2°F) and a low of -8.3°C (17.1°F).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 89%.Rainfall
In Tomari, during January, the rain falls for 3.4 days and regularly aggregates up to 70mm (2.76") of precipitation. In Tomari, during the entire year, the rain falls for 157.1 days and collects up to 887mm (34.92") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Tomari, during January, snow falls for 28.3 days and regularly aggregates up to 493mm (19.41") of snow. Throughout the year, in Tomari, there are 120.8 snowfall days, and 2288mm (90.08") of snow is accumulated.Daylight
The average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 07:09 and sunset at 16:12. On the last day of January, sunrise is at 06:54 and sunset at 16:47 JST.
Sunshine
January has the least sunshine of the year, with an average of 1.4h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 1 suggests these 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. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What are the most humid months?
What is the average humidity in January in Tomari?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Tomari have in January?
When is the sunrise / sunset in January in Tomari?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index in Tomari?
What is the UV index intensity in January?
Average temperature in January
Tomari, Japan
- Average high temperature in January: -3.8°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in January: -8.3°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (-8.9°C).
Average pressure in January
Tomari, Japan
- Average pressure in January: 1013.7mbar
The month with the highest atmospheric pressure is November (1016.4mbar).
The month with the lowest atmospheric pressure is July (1008.4mbar).
Average wind speed in January
Tomari, Japan
- Average wind speed in January: 14.1km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity in January
Tomari, Japan
- Average humidity in January: 89%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (79%).
Average rainfall in January
Tomari, Japan
- Average rainfall in January: 70mm
The wettest month (with the highest rainfall) is August (105mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in January
Tomari, Japan
- Average rainfall days in January: 3.4 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in January
Tomari, Japan
- Average snowfall in January: 493mm
The month with the highest snowfall is December (598mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Tomari, Japan
- Average snowfall days in January: 28.3 days
The month with the highest number of snowfall days is January (28.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Tomari, Japan
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 1h and 2min
The months with the most sunshine are May and August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in January
Tomari, Japan
- Average sunshine days in January: 2.7 days
The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is January (2.7 days).
Average UV index in January
Tomari, 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, February, March, November and December (UV index 1).
Average cloud cover in January
Tomari, Japan
- Average cloud cover in January: 86
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is September (Cloud cover 43).
Average visibility in January
Tomari, Japan
- Average visibility in January: 7km
The months with the highest visibility are April, May and October (9km).
The months with the lowest visibility are January, February, July, August and December (7km).
