January weather forecast
Kainan, Japan

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Weather in January

January, like December, is a frosty winter month in Kainan, Japan, with an average temperature varying between 4.8°C (40.6°F) and 8.7°C (47.7°F).

Temperature

With average high temperatures of 8.7°C (47.7°F) and lows of 4.8°C (40.6°F), January is the coldest month.

Humidity

The months with the lowest humidity are January through March, with an average relative humidity of 70%.

Rainfall

January and February are months with the least rain in Kainan, Japan, when the rain falls for 15.3 days and typically aggregates up to 30mm (1.18") of rain.

Snowfall

January through March and December are months with snowfall in Kainan. The month with the most snowfall in Kainan is January, when snow falls for 3.8 days and typically aggregates up to 14mm (0.55") of snow.

Sea temperature

In Kainan, in January, the average water temperature is 16.3°C (61.3°F).
Note: Most people do not enjoy swimming in water of 16.3°C (61.3°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Kainan, the average length of the day in January is 10h and 10min.
On the first day of the month, sunrise is at 07:04 and sunset at 16:59. On the last day of January, sunrise is at 06:57 and sunset at 17:27 JST.

Sunshine

With an average of 5.2h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index in Kainan, Japan, are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, an average UV index of 2 transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What are the coldest months in Kainan?

In Kainan, January is the coldest month, with temperatures averaging a high of 8.7°C (47.7°F) and a low of 4.8°C (40.6°F).

What are the temperatures in Kainan in January?

In Kainan, 8.7°C (47.7°F) is the average high-temperature and 4.8°C (40.6°F) is the average low-temperature during January.

What are the least humid months in Kainan?

The months with the lowest humidity in Kainan are January through March, with an average relative humidity of 70%.

What is the average humidity in January in Kainan?

In Kainan, the average relative humidity in January is 70%.

What is the driest month in Kainan?

The months with the least rainfall are January and February Rain falls for 15.3 days and accumulates 30mm (1.18") of rain.

How much does it rain in Kainan in January?

In January, in Kainan, the rain falls for 15.3 days. Throughout January, 30mm (1.18") of precipitation is accumulated.

What is the snowiest month in Kainan?

The month with the most snowfall in Kainan is January, when snow falls for 3.8 days and typically aggregates up to 14mm (0.55") of snow.

How much does it snow in Kainan in January?

In Kainan, Japan, during January, snow falls for 3.8 days and regularly aggregates up to 14mm (0.55") of snow.

What is the sea water temperature in January in Kainan?

In January, the average sea temperature in Kainan is 16.3°C (61.3°F). For swimming, a surface water temperature of 16.3°C (61.3°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Kainan have in January?

The average day length in January in Kainan is 10h and 10min.

When are sunrise and sunset in January in Kainan?

In January, on the first day of the month, sunrise is at 07:04 and sunset at 16:59. On the last day of the month, in Kainan, sunrise is at 06:57 and sunset at 17:27 JST.

What is the month with the least sunshine in Kainan?

January has the least sunshine of the year in Kainan, with an average of 5.2h of sunshine.

How many hours of sunshine does Kainan have in January?

The average sunshine duration in January in Kainan is 5.2h.

When is the lowest UV index in Kainan?

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

What is the UV index reading in January in Kainan?

The average daily maximum UV index in January in Kainan is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.

Average temperature in January
Kainan, Japan

Average temperature in January - Kainan, Japan
  • Average high temperature in January: 8.7°C

The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in January: 4.8°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (4.8°C).

Average pressure in January
Kainan, Japan

Average pressure in January - Kainan, Japan
  • Average pressure in January: 1019.7mbar

The months with the highest atmospheric pressure are January and February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).

Average wind speed in January
Kainan, Japan

Average wind speed in January - Kainan, Japan
  • Average wind speed in January: 19.1km/h

The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is June (11km/h).

Average humidity in January
Kainan, Japan

Average humidity in January - Kainan, Japan
  • Average humidity in January: 70%

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (70%).

Average rainfall in January
Kainan, Japan

Average rainfall in January - Kainan, Japan
  • Average rainfall in January: 30mm

The wettest month (with the highest rainfall) is July (111mm).
The driest months (with the least rainfall) are January and February (30mm).

Average rainfall days in January
Kainan, Japan

Average rainfall days in January - Kainan, Japan
  • Average rainfall days in January: 15.3 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is May (10.8 days).

Average snowfall in January
Kainan, Japan

Average snowfall in January - Kainan, Japan
  • Average snowfall in January: 14mm

The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in January
Kainan, Japan

Average snowfall days in January - Kainan, Japan
  • Average snowfall days in January: 3.8 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in January
Kainan, Japan

Average sea temperature in January - Kainan, Japan
  • Average sea temperature in January: 16.3°C

The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is February (15.6°C).

Average daylight in January /
Average sunshine in January
Kainan, Japan

Average daylight in January / Average sunshine in January - Kainan, 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 and 1min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in January
Kainan, Japan

Average sunshine days in January - Kainan, Japan
  • Average sunshine days in January: 8.3 days

The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is December (7.5 days).

Average UV index in January
Kainan, Japan

Average UV index in January - Kainan, 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
Kainan, Japan

Average cloud cover in January - Kainan, Japan
  • Average cloud cover in January: 45

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in January
Kainan, Japan

Average visibility in January - Kainan, Japan
  • Average visibility in January: 10km

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

Kainan, Japan

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