January weather forecast
Shimomatsucho, Japan

January

Weather in January

January, like December, is a frosty winter month in Shimomatsucho, Japan, with an average temperature fluctuating between 2.9°C (37.2°F) and 7.8°C (46°F).

Temperature

In Shimomatsucho, the lowest temperatures are generally noted in January, averaging a high of 7.8°C (46°F) and a low of 2.9°C (37.2°F).

Humidity

In Shimomatsucho, the average relative humidity in January is 72%.

Rainfall

The month with the least rainfall is January, when the rain falls for 11.8 days and typically collects 35mm (1.38") of precipitation.

Snowfall

Months with snowfall are January through March and December. The month with the most snowfall is January, when snow falls for 5.5 days and typically aggregates up to 29mm (1.14") of snow.

Daylight

In Shimomatsucho, Japan, the average length of the day in January is 10h and 9min.
On the first day of January in Shimomatsucho, sunrise is at 07:04 and sunset at 16:58. On the last day of the month, sunrise is at 06:57 and sunset at 17:26 JST.

Sunshine

January has the least sunshine of the year in Shimomatsucho, with an average of 5h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the UV index of 2 transforms into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

What time of the year is the coldest in Shimomatsucho?
In Shimomatsucho, Japan, the average lowest temperatures are observed in January, with a high of 7.8°C (46°F) and a low of 2.9°C (37.2°F).
What is the usual temperature for Shimomatsucho in January?
In Shimomatsucho, 7.8°C (46°F) is the average high-temperature and 2.9°C (37.2°F) is the average low-temperature during January.
What is the average humidity in January in Shimomatsucho?
In Shimomatsucho, Japan, the average relative humidity in January is 72%.
What is the driest month in Shimomatsucho?
The month with the least rainfall is January, when the rain falls for 11.8 days and typically collects 35mm (1.38") of precipitation.
How many days does it rain in January in Shimomatsucho?
In Shimomatsucho, in January, it is raining for 11.8 days, with typically 35mm (1.38") of accumulated precipitation.
What is the snowiest month in Shimomatsucho?
The month with the most snowfall in Shimomatsucho, Japan, is January, when snow falls for 5.5 days and typically aggregates up to 29mm (1.14") of snow.
How many days does it snow in January in Shimomatsucho?
In Shimomatsucho, during January, snow falls for 5.5 days and regularly aggregates up to 29mm (1.14") of snow.
What is the average length of the day in January in Shimomatsucho?
In Shimomatsucho, Japan, the average day length in January is 10h and 9min.
What time are sunrise and sunset in January in Shimomatsucho?
On the first day of January, sunrise is at 07:04 and sunset at 16:58. On the last day of the month, sunrise is at 06:57 and sunset at 17:26 JST.
What is the month with the least sunshine in Shimomatsucho?
January has the least sunshine of the year in Shimomatsucho, with an average of 5h of sunshine.
How many hours of sunshine does Shimomatsucho have in January?
In January, the average sunshine duration in Shimomatsucho is 5h.
When is the lowest UV index in Shimomatsucho?
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
How high is the UV index in January in Shimomatsucho?
The average daily maximum UV index in January in Shimomatsucho, Japan, is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Shimomatsucho, Japan
  • Average high temperature in January: 7.8°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (7.8°C).

  • Average low temperature in January: 2.9°C

The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).

Average pressure in January
Shimomatsucho, Japan
  • Average pressure in January: 1019.6mbar

The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).

Average wind speed in January
Shimomatsucho, Japan
  • Average wind speed in January: 13.1km/h

The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is June (8.4km/h).

Average humidity in January
Shimomatsucho, Japan
  • Average humidity in January: 72%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is March (70%).

Average rainfall in January
Shimomatsucho, Japan
  • Average rainfall in January: 35mm

The wettest month (with the highest rainfall) is July (177mm).
The driest month (with the least rainfall) is January (35mm).

Average rainfall days in January
Shimomatsucho, Japan
  • Average rainfall days in January: 11.8 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in January
Shimomatsucho, Japan
  • Average snowfall in January: 29mm

The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in January
Shimomatsucho, Japan
  • Average snowfall days in January: 5.5 days

The month with the highest number of snowfall days is January (5.5 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
Shimomatsucho, Japan
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in January: 5h

The month with the most sunshine is August (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 5h).

Average sunshine days in January
Shimomatsucho, Japan
  • Average sunshine days in January: 13.7 days

The month with the most sunshine days is May (17.7 days).
The month with the least sunshine days is July (6.8 days).

Average UV index in January
Shimomatsucho, Japan
  • Average UV index in January: 2

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in January
Shimomatsucho, Japan
  • Average cloud cover in January: 47

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in January
Shimomatsucho, Japan
  • Average visibility in January: 10km

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

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