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 sea temperature 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
Weather in January
Temperature
January, with average temperatures reaching a high of -3.3°C (26.1°F) and a low of -7.9°C (17.8°F), is the coldest month.Humidity
In January, the average relative humidity is 87%.Rainfall
In January, the rain falls for 3.4 days. Throughout January, 61mm (2.4") of precipitation is accumulated. In Otaru, during the entire year, the rain falls for 151.8 days and collects up to 851mm (33.5") of precipitation.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall in Otaru. Snow falls for 26 days and accumulates 369mm (14.53") of snow.Sea temperature
In Otaru, in January, the average water temperature is 6.4°C (43.5°F).Note: Engaging in a swim in 6.4°C (43.5°F) can threaten life. Brief exposure to 13°C (55.4°F) waters is uneasy, and submersion below 10°C (50°F) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
In Otaru, the average length of the day in January is 9h and 24min.On the first day of the month, sunrise is at 07:07 and sunset at 16:10. On the last day of January, sunrise is at 06:53 and sunset at 16:45 JST.
Sunshine
January has the least sunshine of the year in Otaru, Japan, with an average of 1.2h of sunshine.UV index
The months with the lowest UV index in Otaru are January through March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 1 translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the coldest time of year in Otaru?
How cold is it in Otaru in January?
What is the average humidity in January in Otaru?
How many days does it rain in January in Otaru?
When does it snow the most in Otaru?
How many days does it snow in January in Otaru?
How cold is the water in January in Otaru?
How many hours of daylight does Otaru have in January?
What time are sunrise and sunset in January in Otaru?
What is the month with the least sunshine in Otaru?
How long on average sun shines in January in Otaru?
What are the months with the lowest UV index in Otaru?
What is the UV index intensity in January in Otaru?
Average temperature in January
Otaru, Japan
- Average high temperature in January: -3.3°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in January: -7.9°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is February (-8.2°C).
Average pressure in January
Otaru, Japan
- Average pressure in January: 1013.4mbar
The month with the highest atmospheric pressure is November (1016.1mbar).
The month with the lowest atmospheric pressure is July (1008.5mbar).
Average wind speed in January
Otaru, Japan
- Average wind speed in January: 17.8km/h
The windiest month (with the highest average wind speed) is December (19km/h).
The calmest month (with the lowest average wind speed) is July (9.2km/h).
Average humidity in January
Otaru, Japan
- Average humidity in January: 87%
The month with the highest relative humidity is July (88%).
The months with the lowest relative humidity are April and October (79%).
Average rainfall in January
Otaru, Japan
- Average rainfall in January: 61mm
The wettest month (with the highest rainfall) is August (119mm).
The driest month (with the least rainfall) is April (43mm).
Average rainfall days in January
Otaru, Japan
- Average rainfall days in January: 3.4 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in January
Otaru, Japan
- Average snowfall in January: 369mm
The month with the highest snowfall is January (369mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Otaru, Japan
- Average snowfall days in January: 26 days
The month with the highest number of snowfall days is January (26 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in January
Otaru, Japan
- Average sea temperature in January: 6.4°C
The best month for swimming (with the highest average sea temperature) is August (21.6°C).
The coldest months (with the lowest average sea temperature) are February and March (5.3°C).
Average daylight in January /
Average sunshine in January
Otaru, 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 1min
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 12min).
Average sunshine days in January
Otaru, Japan
- Average sunshine days in January: 3.1 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is January (3.1 days).
Average UV index in January
Otaru, Japan
- Average UV index in January: 1
The months with the highest UV index are June, 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
Otaru, Japan
- Average cloud cover in January: 89
The month with the most cloud cover is January (Cloud cover 89).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in January
Otaru, Japan
- Average visibility in January: 7km
The month with the highest visibility is October (10km).
The month with the lowest visibility is January (7km).
Otaru, Japan
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