January weather forecast
Mamiya, Japan

January

Weather in January

January, like December, is a frosty winter month in Mamiya, Japan, with an average temperature fluctuating between 7.4°C (45.3°F) and 1.3°C (34.3°F).

Temperature

In Mamiya, the lowest temperatures are generally noted in January, averaging a high of 7.4°C (45.3°F) and a low of 1.3°C (34.3°F).

Humidity

January is the least humid month, with an average relative humidity of 68%.

Rainfall

The month with the least rainfall is January, when the rain falls for 9.8 days and typically collects 51mm (2.01") of precipitation.

Snowfall

January through March and December are months with snowfall. In Mamiya, Japan, in January, during 1.7 snowfall days, 14mm (0.55") of snow is typically accumulated. Throughout the year, in Mamiya, there are 5.2 snowfall days, and 49mm (1.93") of snow is accumulated.

Daylight

In Mamiya, the average length of the day in January is 10h and 6min.
On the first day of January, sunrise is at 06:52 and sunset at 16:42. On the last day of the month, sunrise is at 06:44 and sunset at 17:10 JST.

Sunshine

In January, the average sunshine is 6.4h.

UV index

January, February 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 vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

What time of the year is the coldest in Mamiya?
Mamiya, Japan, experiences its lowest temperatures in January, with an average peak of 7.4°C (45.3°F) and a low of 1.3°C (34.3°F).
What is the usual temperature for Mamiya in January?
In January, the average high-temperature and low-temperature in Mamiya are 7.4°C (45.3°F) and 1.3°C (34.3°F) respectively.
What is the least humid month in Mamiya?
With an average relative humidity of 68%, January is the least humid month in Mamiya, Japan.
What is the average humidity in January in Mamiya?
The average relative humidity in January is 68%.
What is the driest month in Mamiya?
January is the month with the least rainfall in Mamiya. Rain falls for 9.8 days and accumulates 51mm (2.01") of precipitation.
How many days does it rain in January in Mamiya?
In Mamiya, during January, the rain falls for 9.8 days and regularly aggregates up to 51mm (2.01") of precipitation.
How much does it snow in Mamiya in January?
In Mamiya, in January, during 1.7 snowfall days, 14mm (0.55") of snow is typically accumulated.
What is the average length of the day in January in Mamiya?
The average day length in January in Mamiya is 10h and 6min.
What time are sunrise and sunset in January in Mamiya?
On the first day of January in Mamiya, sunrise is at 06:52 and sunset at 16:42. On the last day of the month, sunrise is at 06:44 and sunset at 17:10 JST.
How many hours of sunshine does Mamiya have in January?
In Mamiya, Japan, the average sunshine duration in January is 6.4h.
When is the lowest UV index in Mamiya?
The months with the lowest UV index in Mamiya, Japan, are January, February and December, with an average maximum UV index of 2.
What is the UV index reading in January in Mamiya?
In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
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
Mamiya, Japan
  • Average high temperature in January: 7.4°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (7.4°C).

  • Average low temperature in January: 1.3°C

The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

Average pressure in January
Mamiya, Japan
  • Average pressure in January: 1016.6mbar

The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

Average wind speed in January
Mamiya, Japan
  • Average wind speed in January: 11.9km/h

The windiest month (with the highest average wind speed) is March (13km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).

Average humidity in January
Mamiya, Japan
  • Average humidity in January: 68%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is January (68%).

Average rainfall in January
Mamiya, Japan
  • Average rainfall in January: 51mm

The wettest month (with the highest rainfall) is July (183mm).
The driest month (with the least rainfall) is January (51mm).

Average rainfall days in January
Mamiya, Japan
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in January
Mamiya, Japan
  • Average snowfall in January: 14mm

The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in January
Mamiya, Japan
  • Average snowfall days in January: 1.7 days

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in January /
Average sunshine in January
Mamiya, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

Average sunshine days in January
Mamiya, Japan
  • Average sunshine days in January: 17.9 days

The month with the most sunshine days is January (17.9 days).
The month with the least sunshine days is July (6.7 days).

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

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

Average cloud cover in January
Mamiya, Japan
  • Average cloud cover in January: 27

The month with the most cloud cover is June (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 27).

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

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

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