January weather forecast
Nagamachi, Japan

January

Weather in January

January, the same as December, is an icy winter month in Nagamachi, Japan, with an average temperature fluctuating between 3.3°C (37.9°F) and -1.7°C (28.9°F).

Temperature

In Nagamachi, January is the month with the lowest recorded average temperatures, measuring a high of 3.3°C (37.9°F) and a low of -1.7°C (28.9°F).

Humidity

The average relative humidity in January is 78%.

Rainfall

In Nagamachi, during January, the rain falls for 8.7 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, there are 153.4 rainfall days, and 741mm (29.17") of precipitation is accumulated.

Snowfall

January through April and December are months with snowfall. In January, it is snowing for 7.9 days. Throughout January, 62mm (2.44") of snow is accumulated. Throughout the year, there are 27.1 snowfall days, and 195mm (7.68") of snow is accumulated.

Daylight

The average length of the day in January in Nagamachi is 9h and 51min.
On the first day of January in Nagamachi, Japan, sunrise is at 06:52 and sunset at 16:26. On the last day of the month, sunrise is at 06:42 and sunset at 16:56 JST.

Sunshine

With an average of 5.1h 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 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In January, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

What are the coldest months?
With its average high temperature of 3.3°C (37.9°F) and a low of -1.7°C (28.9°F), January is regarded as the coldest month.
How cold is it in January?
January temperatures vary between a high-temperature of 3.3°C (37.9°F) and a low-temperature of -1.7°C (28.9°F).
What is the average humidity in January?
The average relative humidity in January is 78%.
How much does it rain in Nagamachi in January?
In Nagamachi, Japan, in January, during 8.7 rainfall days, 31mm (1.22") of precipitation is typically accumulated.
How much does it snow in January?
In Nagamachi, in January, snow falls for 7.9 days, with typically accumulated 62mm (2.44") of snow.
What is the average length of the day in January?
In Nagamachi, the average day length in January is 9h and 51min.
When is the sunrise / sunset in January?
In January, on the first day of the month, sunrise is at 06:52 and sunset at 16:26. On the last day of the month, sunrise is at 06:42 and sunset at 16:56 JST.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 5.1h of sunshine.
How many hours of sunshine does Nagamachi have in January?
In January, the average sunshine duration is 5.1h.
What are the months with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
How high is the UV index in January?
In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January - Nagamachi, Japan
Average temperature in January
Nagamachi, Japan
  • Average high temperature in January: 3.3°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in January: -1.7°C

The month with the highest average low temperature is August (21.4°C).
The coldest months (with the lowest average low temperature) are January and February (-1.7°C).

Average pressure in January - Nagamachi, Japan
Average pressure in January
Nagamachi, Japan
  • Average pressure in January: 1016.2mbar

The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in January - Nagamachi, Japan
Average wind speed in January
Nagamachi, Japan
  • Average wind speed in January: 14.4km/h

The windiest month (with the highest average wind speed) is January (14.4km/h).
The calmest month (with the lowest average wind speed) is July (8.1km/h).

Average humidity in January - Nagamachi, Japan
Average humidity in January
Nagamachi, Japan
  • Average humidity in January: 78%

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are April and May (72%).

Average rainfall in January - Nagamachi, Japan
Average rainfall in January
Nagamachi, Japan
  • Average rainfall in January: 31mm

The wettest months (with the highest rainfall) are July and October (111mm).
The driest month (with the least rainfall) is February (22mm).

Average rainfall days in January - Nagamachi, Japan
Average rainfall days in January
Nagamachi, Japan
  • Average rainfall days in January: 8.7 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is January (8.7 days).

Average snowfall in January - Nagamachi, Japan
Average snowfall in January
Nagamachi, Japan
  • Average snowfall in January: 62mm

The month with the highest snowfall is February (63mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in January - Nagamachi, Japan
Average snowfall days in January
Nagamachi, Japan
  • Average snowfall days in January: 7.9 days

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in January - Nagamachi, Japan
Average sunshine days in January
Nagamachi, Japan
  • Average sunshine days in January: 17.3 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (7.2 days).

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

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in January - Nagamachi, Japan
Average cloud cover in January
Nagamachi, Japan
  • Average cloud cover in January: 46

The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is May (Cloud cover 36).

Average visibility in January - Nagamachi, Japan
Average visibility in January
Nagamachi, Japan
  • Average visibility in January: 9km

The months with the highest visibility are October, November and December (10km).
The month with the lowest visibility is July (8km).

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