January weather forecast
Komatsugawa, Japan

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Weather in January

January, like December, is a frosty winter month in Komatsugawa, Japan, with an average temperature ranging between max 8.8°C (47.8°F) and min 3°C (37.4°F).

Temperature

January, with its average high-temperature of 8.8°C (47.8°F) and an average low-temperature of 3°C (37.4°F), holds the record as the coldest month.

Humidity

The least humid month is January, with an average relative humidity of 60%.

Rainfall

In Komatsugawa, in January, it is raining for 4.5 days, with typically 13mm (0.51") of accumulated precipitation. In Komatsugawa, during the entire year, the rain falls for 125.3 days and collects up to 359mm (14.13") of precipitation.

Snowfall

Months with snowfall are January and February. January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 1mm (0.04") of snow. In Komatsugawa, during the entire year, snow falls for 2.1 days and aggregates up to 5mm (0.2") of snow.

Daylight

In Komatsugawa, the average length of the day in January is 10h and 3min.
On the first day of the month, sunrise is at 06:50 and sunset at 16:37. On the last day of January, in Komatsugawa, sunrise is at 06:41 and sunset at 17:05 JST.

Sunshine

The average sunshine in January is 6.5h.

UV index

With an average maximum UV index of 2, January is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What are the coldest months in Komatsugawa?

January, on average, is the coldest month in Komatsugawa, registering a high temperature of 8.8°C (47.8°F) and a low of 3°C (37.4°F).

What are January temperatures in Komatsugawa?

The average high-temperature and low-temperature in Komatsugawa during January are 8.8°C (47.8°F) and 3°C (37.4°F) respectively.

What is the least humid month in Komatsugawa?

January is the least humid month in Komatsugawa, Japan, with an average relative humidity of 60%.

What is the average humidity in January in Komatsugawa?

The average relative humidity in January is 60%.

How many days does it rain in January in Komatsugawa?

In Komatsugawa, Japan, in January, during 4.5 rainfall days, 13mm (0.51") of precipitation is typically accumulated.

When does it start to snow in Komatsugawa?

January is the first month it typically snows in Komatsugawa. Throughout January, in the average 0.6 snowfall days, it receives 1mm (0.04") of snow.

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

In January, the average day length in Komatsugawa is 10h and 3min.

When are sunrise and sunset in January in Komatsugawa?

On the first day of January in Komatsugawa, sunrise is at 06:50 and sunset at 16:37. On the last day of the month, sunrise is at 06:41 and sunset at 17:05 JST.

How many hours of sunshine does Komatsugawa have in January?

In January, the average sunshine duration in Komatsugawa, Japan, is 6.5h.

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

The month with the lowest UV index in Komatsugawa is January, with an average maximum UV index of 2.

What is the UV index reading in January in Komatsugawa?

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

Average temperature in January
Komatsugawa, Japan

Average temperature in January - Komatsugawa, Japan
  • Average high temperature in January: 8.8°C

The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in January: 3°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3°C).

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Average pressure in January
Komatsugawa, Japan

Average pressure in January - Komatsugawa, Japan
  • Average pressure in January: 1016.1mbar

The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

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Average wind speed in January
Komatsugawa, Japan

Average wind speed in January - Komatsugawa, Japan
  • Average wind speed in January: 14.3km/h

The windiest month (with the highest average wind speed) is April (15.6km/h).
The calmest month (with the lowest average wind speed) is November (12.3km/h).

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Average humidity in January
Komatsugawa, Japan

Average humidity in January - Komatsugawa, Japan
  • Average humidity in January: 60%

The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).

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Average rainfall in January
Komatsugawa, Japan

Average rainfall in January - Komatsugawa, Japan
  • Average rainfall in January: 13mm

The wettest month (with the highest rainfall) is September (54mm).
The driest month (with the least rainfall) is February (10mm).

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Average rainfall days in January
Komatsugawa, Japan

Average rainfall days in January - Komatsugawa, Japan
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall in January
Komatsugawa, Japan

Average snowfall in January - Komatsugawa, Japan
  • Average snowfall in January: 1mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in January
Komatsugawa, Japan

Average snowfall days in January - Komatsugawa, Japan
  • Average snowfall days in January: 0.6 days

The month with the highest number of snowfall days is February (1.2 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 daylight in January /
Average sunshine in January
Komatsugawa, Japan

Average daylight in January / Average sunshine in January - Komatsugawa, Japan
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in January: 6h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).

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Average sunshine days in January
Komatsugawa, Japan

Average sunshine days in January - Komatsugawa, Japan
  • Average sunshine days in January: 25.4 days

The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in January
Komatsugawa, Japan

Average UV index in January - Komatsugawa, Japan
  • Average UV index in January: 2

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

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Average cloud cover in January
Komatsugawa, Japan

Average cloud cover in January - Komatsugawa, Japan
  • Average cloud cover in January: 28

The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 28).

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Average visibility in January
Komatsugawa, Japan

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

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

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Komatsugawa, Japan

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