January weather forecastIsoshi, Japan

January

Weather in January

January, the same as December, in Isoshi, Japan, is a frosty winter month, with temperature in the range of an average low of 1.8°C (35.2°F) and an average high of 7°C (44.6°F).

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 7°C (44.6°F) and a low of 1.8°C (35.2°F).

Humidity

The average relative humidity in January is 76%.

Rainfall

The month with the least rainfall in Isoshi is January, when the rain falls for 17 days and typically collects 49mm (1.93") of precipitation.

Snowfall

January through March and December are months with snowfall. The month with the most snowfall is January, when snow falls for 10.6 days and typically aggregates up to 96mm (3.78") of snow.

Daylight

In Isoshi, the average length of the day in January is 10h and 7min.
On the first day of the month, sunrise is at 07:05 and sunset at 16:57. On the last day of January, sunrise is at 06:58 and sunset at 17:25 JST.

Sunshine

The average sunshine in January is 4.9h.

UV index

The months with the lowest UV index in Isoshi are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

Frequently asked questions

The coldest month in Isoshi, Japan, is January, with an average high-temperature of 7°C (44.6°F) and an average low-temperature of 1.8°C (35.2°F).

The high-temperature, in January, in Isoshi, records 7°C (44.6°F), while the low-temperature is 1.8°C (35.2°F).

The average relative humidity in January in Isoshi is 76%.

January is the month with the least rainfall in Isoshi. Rain falls for 17 days and accumulates 49mm (1.93") of precipitation.

In Isoshi, during January, the rain falls for 17 days and regularly aggregates up to 49mm (1.93") of precipitation.

January is the month with the most snowfall in Isoshi. Snow falls for 10.6 days and accumulates 96mm (3.78") of snow.

In Isoshi, Japan, in January, snow falls for 10.6 days, with typically accumulated 96mm (3.78") of snow.

In January, the average day length in Isoshi is 10h and 7min.

On the first day of January in Isoshi, sunrise is at 07:05 and sunset at 16:57. On the last day of the month, sunrise is at 06:58 and sunset at 17:25 JST.

The average sunshine duration in January in Isoshi, Japan, is 4.9h.

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

The average daily maximum UV index in January in Isoshi is 2. A UV Index reading of 2, and below, represents a low health risk from 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Isoshi, Japan

  • Average high temperature in January: 7°C

The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in January: 1.8°C

The month with the highest average low temperature is August (23.9°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in January
Isoshi, Japan

  • Average pressure in January: 1019.7mbar

The month with the highest atmospheric pressure is February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).

Average wind speed in January
Isoshi, Japan

  • Average wind speed in January: 11.5km/h

The windiest month (with the highest average wind speed) is January (11.5km/h).
The calmest month (with the lowest average wind speed) is June (8.3km/h).

Average humidity in January
Isoshi, Japan

  • Average humidity in January: 76%

The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are April and May (72%).

Average rainfall in January
Isoshi, Japan

  • Average rainfall in January: 49mm

The wettest month (with the highest rainfall) is July (196mm).
The driest month (with the least rainfall) is January (49mm).

Average rainfall days in January
Isoshi, Japan

  • Average rainfall days in January: 17 days

The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is November (14.1 days).

Average snowfall in January
Isoshi, Japan

  • Average snowfall in January: 96mm

The month with the highest snowfall is January (96mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in January
Isoshi, Japan

  • Average snowfall days in January: 10.6 days

The month with the highest number of snowfall days is January (10.6 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
Isoshi, Japan

  • Average daylight in January: 10h and 6min

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 54min).

  • Average sunshine in January: 4h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Isoshi, Japan

  • Average sunshine days in January: 6.5 days

The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is July (5.6 days).

Average UV index in January
Isoshi, Japan

  • Average UV index in January: 2

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

Average cloud cover in January
Isoshi, Japan

  • Average cloud cover in January: 46

The months with the most cloud cover are January and February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in January
Isoshi, Japan

  • Average visibility in January: 9km

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