January weather forecast
Yatsushiro, Japan

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Weather in January

January, like December, is a frosty winter month in Yatsushiro, Japan, with an average temperature fluctuating between 9°C (48.2°F) and 3.8°C (38.8°F).

Temperature

Yatsushiro, Japan, experiences its lowest temperatures in January, with an average peak of 9°C (48.2°F) and a low of 3.8°C (38.8°F).

Humidity

The average relative humidity in January in Yatsushiro is 72%.

Rainfall

The month with the least rainfall in Yatsushiro is January, when the rain falls for 10.3 days and typically collects 51mm (2.01") of precipitation.

Snowfall

Months with snowfall are January through March and December. The month with the most snowfall is January, when snow falls for 2.4 days and typically aggregates up to 19mm (0.75") of snow.

Sea temperature

In Yatsushiro, Japan, the average seawater temperature in January is 18.1°C (64.6°F).
Note: Swimming is not a pleasant activity for most individuals in 18.1°C (64.6°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In January, the average length of the day in Yatsushiro, Japan, is 10h and 17min.
On the first day of the month, sunrise is at 07:19 and sunset at 17:22. On the last day of January, sunrise is at 07:13 and sunset at 17:48 JST.

Sunshine

January has the least sunshine of the year in Yatsushiro, with an average of 5.1h of sunshine.

UV index

In January, the average daily maximum UV index in Yatsushiro is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 3 during January leads to these advisories:
Act with care - The need to guard against sun damage is communicated. When the Sun is at its strongest around midday, find shade and limit exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What part of the year is the coldest in Yatsushiro?

The coldest month in Yatsushiro, Japan, is January, with an average high-temperature of 9°C (48.2°F) and an average low-temperature of 3.8°C (38.8°F).

What are January temperatures in Yatsushiro?

The average high-temperature and low-temperature in Yatsushiro during January are 9°C (48.2°F) and 3.8°C (38.8°F) respectively.

What is the average humidity in January in Yatsushiro?

The average relative humidity in January in Yatsushiro, Japan, is 72%.

What is the driest month in Yatsushiro?

The month with the least rainfall in Yatsushiro is January, when the rain falls for 10.3 days and typically collects 51mm (2.01") of precipitation.

How many days does it rain in January in Yatsushiro?

In Yatsushiro, Japan, during January, the rain falls for 10.3 days and regularly aggregates up to 51mm (2.01") of precipitation.

What is the snowiest month in Yatsushiro?

January is the month with the most snowfall in Yatsushiro. Snow falls for 2.4 days and accumulates 19mm (0.75") of snow.

How much does it snow in Yatsushiro in January?

In Yatsushiro, in January, snow falls for 2.4 days, with typically accumulated 19mm (0.75") of snow.

How cold is the water in January in Yatsushiro?

In Yatsushiro, Japan, in January, the average water temperature is 18.1°C (64.6°F). For swimming, a surface water temperature of 18.1°C (64.6°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Yatsushiro have in January?

In Yatsushiro, the average day length in January is 10h and 17min.

What time are sunrise and sunset in January in Yatsushiro?

In January, on the first day of the month, sunrise is at 07:19 and sunset at 17:22. On the last day of the month, in Yatsushiro, Japan, sunrise is at 07:13 and sunset at 17:48 JST.

What is the month with the least sunshine in Yatsushiro?

January has the least sunshine of the year, with an average of 5.1h of sunshine.

How long on average sun shines in January in Yatsushiro?

In January, the average sunshine duration in Yatsushiro is 5.1h.

What is the UV index reading in January in Yatsushiro?

In Yatsushiro, Japan, the average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
11°C 51.8°F
9°C 48.2°F
10.8°C 51.4°F
Average low temperature
6.2°C 43.2°F
3.8°C 38.8°F
4.8°C 40.6°F
Average pressure
1021.2mbar 30.16inHg
1021.7mbar 30.17inHg
1020.6mbar 30.14inHg
Average wind speed
12.5km/h 7.8mph
12km/h 7.5mph
11.8km/h 7.3mph
Average max. wind speed
13.4km/h 8.3mph
12.8km/h 8mph
12.6km/h 7.8mph
Average wind speed gusts
17.8km/h 11.1mph
17.2km/h 10.7mph
17.3km/h 10.7mph
Average humidity
73%
72%
72%
Average rainfall
69mm 2.72"
51mm 2.01"
82mm 3.23"
Average rainfall days
12.7
10.3
12
Average snowfall
14mm 0.55"
19mm 0.75"
6mm 0.24"
Average snowfall days
1.5
2.4
1.6
Average sea temperature
20.1°C 68.2°F
18.1°C 64.6°F
17.3°C 63.1°F
Average daylight
10h 1min
10h 2min
11h 0min
Average sunshine
5h 2min
5h 1min
6h 1min
Average sunshine days
16.5
17.8
14
Average UV index
2
3
3
Average cloud cover
41%
43%
44%
Average visibility
10km 6.2mi
10km 6.2mi
10km 6.2mi

Average temperature in January
Yatsushiro, Japan

Average temperature in January - Yatsushiro, Japan
  • Average high temperature in January: 9°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in January: 3.8°C

The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).

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Average pressure in January
Yatsushiro, Japan

Average pressure in January - Yatsushiro, Japan
  • Average pressure in January: 1021.7mbar

The month with the highest atmospheric pressure is January (1021.7mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).

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Average wind speed in January
Yatsushiro, Japan

Average wind speed in January - Yatsushiro, Japan
  • Average wind speed in January: 12km/h

The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is June (8.2km/h).

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Average humidity in January
Yatsushiro, Japan

Average humidity in January - Yatsushiro, Japan
  • Average humidity in January: 72%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in January
Yatsushiro, Japan

Average rainfall in January - Yatsushiro, Japan
  • Average rainfall in January: 51mm

The wettest month (with the highest rainfall) is June (303mm).
The driest month (with the least rainfall) is January (51mm).

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Average rainfall days in January
Yatsushiro, Japan

Average rainfall days in January - Yatsushiro, Japan
  • Average rainfall days in January: 10.3 days

The month with the highest number of rainy days is July (22.9 days).
The month with the least rainy days is January (10.3 days).

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Average snowfall in January
Yatsushiro, Japan

Average snowfall in January - Yatsushiro, Japan
  • Average snowfall in January: 19mm

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

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Average snowfall days in January
Yatsushiro, Japan

Average snowfall days in January - Yatsushiro, Japan
  • Average snowfall days in January: 2.4 days

The month with the highest number of snowfall days is January (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in January
Yatsushiro, Japan

Average sea temperature in January - Yatsushiro, Japan
  • Average sea temperature in January: 18.1°C

The best month for swimming (with the highest average sea temperature) is August (28°C).
The coldest month (with the lowest average sea temperature) is March (17.2°C).

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

Average daylight in January / Average sunshine in January - Yatsushiro, Japan
  • Average daylight in January: 10h and 2min

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 6min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in January
Yatsushiro, Japan

Average sunshine days in January - Yatsushiro, Japan
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (5.9 days).

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Average UV index in January
Yatsushiro, Japan

Average UV index in January - Yatsushiro, Japan
  • Average UV index in January: 3

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in January
Yatsushiro, Japan

Average cloud cover in January - Yatsushiro, Japan
  • Average cloud cover in January: 43

The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 31).

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Average visibility in January
Yatsushiro, Japan

Average visibility in January - Yatsushiro, Japan
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).

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Yatsushiro, Japan

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