January weather forecastYoichi, Japan

January weather for Yoichi, Japan: January, the same as December, in Yoichi, Japan, is another subzero cold winter month, with an average temperature ranging between min -7.9°C (17.8°F) and max -3.3°C (26.1°F). The month with the most snowfall in Yoichi is January, when snow falls for 26 days and typically aggregates up to 369mm (14.53") of snow.

January

Weather in January

January, the same as December, in Yoichi, Japan, is another subzero cold winter month, with an average temperature ranging between min -7.9°C (17.8°F) and max -3.3°C (26.1°F).

Temperature

January, on average, is the coldest month, registering a high temperature of -3.3°C (26.1°F) and a low of -7.9°C (17.8°F).

Humidity

The average relative humidity in January is 87%.

Rainfall

In Yoichi, Japan, in January, during 3.4 rainfall days, 61mm (2.4") of precipitation is typically accumulated. In Yoichi, during the entire year, the rain falls for 151.8 days and collects up to 851mm (33.5") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall in Yoichi is January, when snow falls for 26 days and typically aggregates up to 369mm (14.53") of snow.

Sea temperature

In Yoichi, the average seawater temperature in January is 7.1°C (44.8°F).
Note: Swimming in 7.1°C (44.8°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.

Daylight

The average length of the day in January in Yoichi is 9h and 24min.
On the first day of January in Yoichi, Japan, sunrise is at 07:08 and sunset at 16:11. On the last day of the month, sunrise is at 06:54 and sunset at 16:46 JST.

Sunshine

With an average of 1.2h of sunshine, January has the least sunshine of the year.

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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 1 in January suggests the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

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 in Yoichi, Japan.

January temperatures vary between a high-temperature of -3.3°C (26.1°F) and a low-temperature of -7.9°C (17.8°F).

In January, the average relative humidity is 87%.

In Yoichi, Japan, in January, during 3.4 rainfall days, 61mm (2.4") of precipitation is typically accumulated.

The month with the most snowfall is January, when snow falls for 26 days and typically aggregates up to 369mm (14.53") of snow.

In Yoichi, Japan, in January, snow falls for 26 days, with typically accumulated 369mm (14.53") of snow.

In January, the average sea temperature is 7.1°C (44.8°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

In Yoichi, Japan, the average day length in January is 9h and 24min.

In January, on the first day of the month, sunrise is at 07:08 and sunset at 16:11. On the last day of the month, sunrise is at 06:54 and sunset at 16:46 JST.

With an average of 1.2h of sunshine, January has the least sunshine of the year in Yoichi, Japan.

The average sunshine duration in January in Yoichi is 1.2h.

The months with the lowest UV index in Yoichi, Japan, are January through March, November and December, with an average maximum UV index of 1.

The average daily maximum UV index in January in Yoichi is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Yoichi, 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
Yoichi, 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
Yoichi, 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
Yoichi, 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
Yoichi, 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
Yoichi, 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
Yoichi, 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
Yoichi, 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
Yoichi, Japan

  • Average sea temperature in January: 7.1°C

The best month for swimming (with the highest average sea temperature) is August (21.8°C).
The coldest month (with the lowest average sea temperature) is March (5.9°C).

Average daylight in January /
Average sunshine in January
Yoichi, Japan

  • Average daylight in January: 9h and 24min

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 12min

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
Yoichi, 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
Yoichi, 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
Yoichi, 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
Yoichi, Japan

  • Average visibility in January: 7km

The month with the highest visibility is October (10km).
The month with the lowest visibility is January (7km).