January weather forecast
Yonezawa, Japan

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Weather in January

January, like December, is a freezing cold winter month in Yonezawa, Japan, with an average temperature varying between -0.1°C (31.8°F) and -5.7°C (21.7°F).

Temperature

January, having an average high-temperature of -0.1°C (31.8°F) and an average low-temperature of -5.7°C (21.7°F), is the coldest month.

Humidity

With an average relative humidity of 92%, January is the most humid month in Yonezawa.

Rainfall

In Yonezawa, in January, during 5.4 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Yonezawa, during the entire year, the rain falls for 147.7 days and collects up to 805mm (31.69") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Yonezawa. The month with the most snowfall is January, when snow falls for 19 days and typically aggregates up to 317mm (12.48") of snow.

Daylight

In January, the average length of the day is 9h and 53min.
On the first day of January in Yonezawa, sunrise is at 06:55 and sunset at 16:30. On the last day of the month, sunrise is at 06:45 and sunset at 17:00 JST.

Sunshine

With an average of 3.4h of sunshine, January has the least sunshine of the year in Yonezawa.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Yonezawa, Japan. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 1 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What are the coldest months in Yonezawa?

Yonezawa's coldest month, January, generally records average temperatures ranging from a high of -0.1°C (31.8°F) to a low of -5.7°C (21.7°F).

How cold is January in Yonezawa?

The high-temperature, in January, in Yonezawa, is -0.1°C (31.8°F), while the low-temperature averages to -5.7°C (21.7°F).

What is the most humid month in Yonezawa?

With an average relative humidity of 92%, January is the most humid month in Yonezawa, Japan.

What is the average humidity in January in Yonezawa?

In Yonezawa, the average relative humidity in January is 92%.

How much does it rain in Yonezawa in January?

In January, in Yonezawa, the rain falls for 5.4 days. Throughout January, 53mm (2.09") of precipitation is accumulated.

When does it snow the most in Yonezawa?

January is the month with the most snowfall in Yonezawa, Japan. Snow falls for 19 days and accumulates 317mm (12.48") of snow.

How much does it snow in Yonezawa in January?

In January, it is snowing for 19 days. Throughout January, 317mm (12.48") of snow is accumulated.

What is the average length of the day in January in Yonezawa?

In Yonezawa, Japan, the average day length in January is 9h and 53min.

What time are sunrise and sunset in January in Yonezawa?

On the first day of January in Yonezawa, sunrise is at 06:55 and sunset at 16:30. On the last day of the month, sunrise is at 06:45 and sunset at 17:00 JST.

What is the month with the least sunshine in Yonezawa?

January has the least sunshine of the year, with an average of 3.4h of sunshine.

How many hours of sunshine does Yonezawa have in January?

In January, the average sunshine duration in Yonezawa is 3.4h.

What is the month with the lowest UV index in Yonezawa?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in January in Yonezawa?

The average daily maximum UV index in January in Yonezawa, Japan, is 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Yonezawa, Japan

Average temperature in January - Yonezawa, Japan
  • Average high temperature in January: -0.1°C

The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (-0.1°C).

  • Average low temperature in January: -5.7°C

The month with the highest average low temperature is August (18.2°C).
The coldest month (with the lowest average low temperature) is February (-5.9°C).

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Average pressure in January
Yonezawa, Japan

Average pressure in January - Yonezawa, Japan
  • Average pressure in January: 1016.8mbar

The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

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Average wind speed in January
Yonezawa, Japan

Average wind speed in January - Yonezawa, Japan
  • Average wind speed in January: 12.1km/h

The windiest month (with the highest average wind speed) is January (12.1km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

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Average humidity in January
Yonezawa, Japan

Average humidity in January - Yonezawa, Japan
  • Average humidity in January: 92%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (74%).

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Average rainfall in January
Yonezawa, Japan

Average rainfall in January - Yonezawa, Japan
  • Average rainfall in January: 53mm

The wettest month (with the highest rainfall) is July (137mm).
The driest month (with the least rainfall) is February (30mm).

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Average rainfall days in January
Yonezawa, Japan

Average rainfall days in January - Yonezawa, Japan
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in January
Yonezawa, Japan

Average snowfall in January - Yonezawa, Japan
  • Average snowfall in January: 317mm

The month with the highest snowfall is January (317mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in January
Yonezawa, Japan

Average snowfall days in January - Yonezawa, Japan
  • Average snowfall days in January: 19 days

The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Yonezawa, Japan
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in January
Yonezawa, Japan

Average sunshine days in January - Yonezawa, Japan
  • Average sunshine days in January: 10 days

The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is August (7.8 days).

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Average UV index in January
Yonezawa, Japan

Average UV index in January - Yonezawa, Japan
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Yonezawa, Japan

Average cloud cover in January - Yonezawa, Japan
  • Average cloud cover in January: 67

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 39).

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Average visibility in January
Yonezawa, Japan

Average visibility in January - Yonezawa, Japan
  • Average visibility in January: 6km

The month with the highest visibility is April (9km).
The month with the lowest visibility is January (6km).

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Yonezawa, Japan

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