Wakkanai
Japan
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Wakkanai, Japan

January, the same as December, in Wakkanai, Japan, is another subzero cold winter month, with average temperature fluctuating between -6.8°C (19.8°F) and -2.7°C (27.1°F).

Temperature

January is the coldest month, with an average high-temperature of -2.7°C (27.1°F) and an average low-temperature of -6.8°C (19.8°F).

Humidity

In January, the average relative humidity is 72%.

Rainfall

In Wakkanai, it is raining for 30 days, with typically 84.3mm (3.3") of accumulated precipitation. Throughout the year, in Wakkanai, Japan, there are 261 rainfall days, and 1062.8mm (41.8") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 26.2 days and accumulates 1730mm (68.1") of snow.

Sea temperature

In Wakkanai, Japan, the average water temperature is 3.5°C (38.3°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

The average length of the day in January is 9.2h.

Sunshine

In January, the average sunshine is 1.5h.

UV index

Months with the lowest UV index in Wakkanai are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 1 in January interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Wakkanai?

January is the coldest month in Wakkanai, Japan, with an average high-temperature of -2.7°C (27.1°F) and an average low-temperature of -6.8°C (19.8°F).

What is the temperature in January in Wakkanai?

In Wakkanai, in January, the average high-temperature is -2.7°C (27.1°F), and the average low-temperature is -6.8°C (19.8°F).

What is the average humidity in January in Wakkanai?

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

How many days does it rain in January in Wakkanai?

In Wakkanai, Japan, in January, during 30 rainfall days, 84.3mm (3.3") of precipitation is typically accumulated.

How much does it snow in Wakkanai in January?

In Wakkanai, Japan, in January, during 26.2 snowfall days, 1730mm (68.1") of snow is typically accumulated.

When does it snow the most in Wakkanai?

January is the month with the most snowfall in Wakkanai. Snow falls for 26.2 days and accumulates 1730mm (68.1") of snow.

What is the sea temperature in January in Wakkanai?

In Wakkanai, the average seawater temperature in January is 3.5°C (38.3°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

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

In Wakkanai, the average length of the day in January is 9.2h.

How long on average sun shines in January in Wakkanai?

In January, the average sunshine is 1.5h.

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

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Wakkanai.

What is the UV index intensity in January in Wakkanai?

In Wakkanai, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to the UV radiation.
Average temperature in January - Wakkanai, Japan
  • Average high temperature in January: -2.7°C

The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (-2.7°C).

  • Average low temperature in January: -6.8°C

The month with the highest average low temperature is August (17.3°C).
The coldest month (with the lowest average low temperature) is February (-7.1°C).

Average humidity in January - Wakkanai, Japan
  • Average humidity in January: 72%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is November (67%).

Average rainfall in January - Wakkanai, Japan
  • Average rainfall in January: 84.3mm

The wettest month (with the highest rainfall) is October (134.1mm).
The driest month (with the lowest rainfall) is April (49mm).

Average rainfall days in January - Wakkanai, Japan
  • Average rainfall days in January: 30 days

The month with the highest number of rainy days is January (30 days).
Months with the lowest number of rainy days are April, June and September (17 days).

Average snowfall in January - Wakkanai, Japan
  • Average snowfall in January: 1730mm

The month with the highest snowfall is January (1730mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in January - Wakkanai, Japan
  • Average snowfall days in January: 26.2 days

The month with the highest number of snowfall days is December (28.2 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average sea temperature in January - Wakkanai, Japan
  • Average sea temperature in January: 3.5°C

The best month for swimming (with the highest average sea temperature) is August (19.7°C).
The coldest month (with the lowest average sea temperature) is February (2.7°C).

Average daylight in January / Average sunshine in January - Wakkanai, Japan
  • Average daylight in January: 9.2h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in January: 1.5h

The month with most sunshine is May (Average sunshine: 6h).
The month with least sunshine is December (Average sunshine: 1h).

Average UV index in January - Wakkanai, Japan
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).