January weather forecastIchihara, Japan

January weather for Ichihara, Japan: The month with the least rainfall in Ichihara, Japan, is January, when the rain falls for 7.2 days and typically collects 41mm (1.61") of precipitation. January, like December, is another chilly winter month in Ichihara, Japan, with an average temperature ranging between max 9.3°C (48.7°F) and min 3.8°C (38.8°F).

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Long-term

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

January

Weather in January

January, like December, is another chilly winter month in Ichihara, Japan, with an average temperature ranging between max 9.3°C (48.7°F) and min 3.8°C (38.8°F).

Temperature

January, on average, is the coldest month, registering a high temperature of 9.3°C (48.7°F) and a low of 3.8°C (38.8°F).

Humidity

The least humid month is January, with an average relative humidity of 62%.

Rainfall

The month with the least rainfall in Ichihara is January, when the rain falls for 7.2 days and typically collects 41mm (1.61") of precipitation.

Snowfall

Months with snowfall are January and February. January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Ichihara, there are 1.9 snowfall days, and 28mm (1.1") of snow is accumulated.

Sea temperature

In January, the average sea temperature is 15.9°C (60.6°F).
Note: A majority do not enjoy swimming in water at 15.9°C (60.6°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).

Daylight

In Ichihara, the average length of the day in January is 10h and 4min.
On the first day of the month, sunrise is at 06:48 and sunset at 16:36. On the last day of January, sunrise is at 06:40 and sunset at 17:05 JST.

Sunshine

In January, the average sunshine in Ichihara is 6.1h.

UV index

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 3 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

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

Frequently asked questions

During the coldest month in Ichihara, January, temperatures average a high of 9.3°C (48.7°F) and a low of 3.8°C (38.8°F).

The high-temperature, in January, in Ichihara, is 9.3°C (48.7°F), while the low-temperature averages to 3.8°C (38.8°F).

January is the least humid month, with an average relative humidity of 62%.

In Ichihara, Japan, the average relative humidity in January is 62%.

The month with the least rainfall in Ichihara, Japan, is January, when the rain falls for 7.2 days and typically collects 41mm (1.61") of precipitation.

In Ichihara, in January, during 7.2 rainfall days, 41mm (1.61") of precipitation is typically accumulated.

January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 2mm (0.08") of snow.

In Ichihara, Japan, in January, the average water temperature is 15.9°C (60.6°F). For most, swimming in 15.9°C (60.6°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

In Ichihara, the average day length in January is 10h and 4min.

In January, on the first day of the month, sunrise is at 06:48 and sunset at 16:36. On the last day of the month, in Ichihara, Japan, sunrise is at 06:40 and sunset at 17:05 JST.

In Ichihara, Japan, the average sunshine duration in January is 6.1h.

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

In Ichihara, Japan, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Dec

January

Feb

Average high temperature

11.7°C

9.3°C

9.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.8km/h

17.6km/h

18.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.6

1.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

20.4

22.8

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Ichihara, Japan

Average high temperature in January: 9.3°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.3°C).

Average low temperature in January: 3.8°C

The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).

Average pressure in January
Ichihara, Japan

Average pressure in January: 1015.9mbar

The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in January
Ichihara, Japan

Average wind speed in January: 16.4km/h

The windiest month (with the highest average wind speed) is March (17.4km/h).
The calmest month (with the lowest average wind speed) is June (13.4km/h).

Average humidity in January
Ichihara, Japan

Average humidity in January: 62%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is January (62%).

Average rainfall in January
Ichihara, Japan

Average rainfall in January: 41mm

The wettest month (with the highest rainfall) is October (124mm).
The driest month (with the least rainfall) is January (41mm).

Average rainfall days in January
Ichihara, Japan

Average rainfall days in January: 7.2 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in January
Ichihara, Japan

Average snowfall in January: 2mm

The month with the highest snowfall is February (26mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in January
Ichihara, Japan

Average snowfall days in January: 0.6 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in January
Ichihara, Japan

Average sea temperature in January: 15.9°C

The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (14.4°C).

Average daylight in January /
Average sunshine in January
Ichihara, 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 12min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in January
Ichihara, Japan

Average sunshine days in January: 22.8 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in January
Ichihara, Japan

Average UV index in January: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in January
Ichihara, Japan

Average cloud cover in January: 32

The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 32).

Average visibility in January
Ichihara, Japan

Average visibility in January: 10km

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