January weather forecastSeto, Japan

January

Weather in January

January, like December, is another chilly winter month in Seto, Japan, with an average temperature fluctuating between -0.7°C (30.7°F) and 6.6°C (43.9°F).

Temperature

Seto's January weather reaches an average high of 6.6°C (43.9°F) and an average low of -0.7°C (30.7°F), making it the coldest month.

Humidity

In Seto, the average relative humidity in January is 73%.

Rainfall

The month with the least rainfall is January, when the rain falls for 12.7 days and typically collects 41mm (1.61") of precipitation.

Snowfall

January through April and December are months with snowfall in Seto. The month with the most snowfall in Seto, Japan, is January, when snow falls for 6.2 days and typically aggregates up to 47mm (1.85") of snow.

Daylight

In Seto, the average length of the day in January is 10h and 5min.
On the first day of the month, sunrise is at 06:59 and sunset at 16:49. On the last day of January, in Seto, sunrise is at 06:52 and sunset at 17:17 JST.

Sunshine

The average sunshine in January is 6.1h.

UV index

The months with the lowest UV index in Seto, Japan, are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January, known for its average high temperature of 6.6°C (43.9°F) and an average low temperature of -0.7°C (30.7°F), is the coldest month.

The high-temperature, in January, in Seto, records 6.6°C (43.9°F), while the low-temperature is -0.7°C (30.7°F).

In January, the average relative humidity in Seto, Japan, is 73%.

January is the month with the least rainfall in Seto, Japan. Rain falls for 12.7 days and accumulates 41mm (1.61") of precipitation.

In Seto, Japan, in January, it is raining for 12.7 days, with typically 41mm (1.61") of accumulated precipitation.

January is the month with the most snowfall in Seto. Snow falls for 6.2 days and accumulates 47mm (1.85") of snow.

In Seto, Japan, in January, during 6.2 snowfall days, 47mm (1.85") of snow is typically accumulated.

In Seto, the average day length in January is 10h and 5min.

In January, on the first day of the month, sunrise is at 06:59 and sunset at 16:49. On the last day of the month, sunrise is at 06:52 and sunset at 17:17 JST.

The average sunshine duration in January is 6.1h.

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

In January, the average daily maximum UV index in Seto, Japan, is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

8.9°C

6.6°C

7.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.6km/h

9.8km/h

10.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.4

13.9

14.1

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Seto, Japan

Average high temperature in January: 6.6°C

The warmest month (with the highest average high temperature) is August (31.6°C).
The month with the lowest average high temperature is January (6.6°C).

Average low temperature in January: -0.7°C

The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).

Average pressure in January
Seto, Japan

Average pressure in January: 1018.5mbar

The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

Average wind speed in January
Seto, Japan

Average wind speed in January: 8.9km/h

The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).

Average humidity in January
Seto, Japan

Average humidity in January: 73%

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

Average rainfall in January
Seto, Japan

Average rainfall in January: 41mm

The wettest month (with the highest rainfall) is July (179mm).
The driest month (with the least rainfall) is January (41mm).

Average rainfall days in January
Seto, Japan

Average rainfall days in January: 12.7 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (10.7 days).

Average snowfall in January
Seto, Japan

Average snowfall in January: 47mm

The month with the highest snowfall is January (47mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in January
Seto, Japan

Average snowfall days in January: 6.2 days

The month with the highest number of snowfall days is January (6.2 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
Seto, 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 48min).

Average sunshine in January: 6h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

Average sunshine days in January
Seto, Japan

Average sunshine days in January: 13.9 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in January
Seto, 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
Seto, Japan

Average cloud cover in January: 33

The month with the most cloud cover is July (Cloud cover 45).
The month with the least cloud cover is November (Cloud cover 30).

Average visibility in January
Seto, Japan

Average visibility in January: 9km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).