January weather forecast
Sumoto, Japan

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Weather in January

January, like December, is another chilly winter month in Sumoto, Japan, with temperature in the range of an average high of 9.7°C (49.5°F) and an average low of 6.4°C (43.5°F).

Temperature

January, characterized by an average high temperature of 9.7°C (49.5°F) and a low temperature of 6.4°C (43.5°F), is generally the coldest month.

Humidity

The least humid month is January, with an average relative humidity of 67%.

Rainfall

January is the month with the least rainfall in Sumoto, Japan. Rain falls for 16.5 days and accumulates 44mm (1.73") of precipitation.

Snowfall

Months with snowfall in Sumoto are January and February. January is the first month it typically snows. Throughout January, in the average 1.3 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, in Sumoto, there are 3.2 snowfall days, and 12mm (0.47") of snow is accumulated.

Sea temperature

In Sumoto, 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 January, the average length of the day in Sumoto is 10h and 10min.
On the first day of January in Sumoto, sunrise is at 07:06 and sunset at 17:00. On the last day of the month, sunrise is at 06:59 and sunset at 17:28 JST.

Sunshine

January and February, with an average of 5.3h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In January, the maximum UV index of 3 suggests this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What is the coldest month in Sumoto?

January proves to be the coldest month in Sumoto, Japan, recording an average maximum temperature of 9.7°C (49.5°F) and a minimum temperature of 6.4°C (43.5°F).

What are the temperatures in Sumoto in January?

January temperatures in Sumoto vary between a high-temperature of 9.7°C (49.5°F) and a low-temperature of 6.4°C (43.5°F).

What is the least humid month in Sumoto?

With an average relative humidity of 67%, January is the least humid month in Sumoto, Japan.

What is the average humidity in January in Sumoto?

The average relative humidity in January in Sumoto is 67%.

What is the driest month in Sumoto?

The month with the least rainfall in Sumoto is January, when the rain falls for 16.5 days and typically collects 44mm (1.73") of precipitation.

How many days does it rain in January in Sumoto?

In Sumoto, in January, during 16.5 rainfall days, 44mm (1.73") of precipitation is typically accumulated.

When does it start snowing in Sumoto?

January is the first month it typically snows in Sumoto, Japan. Throughout January, in the average 1.3 snowfall days, it receives 3mm (0.12") of snow.

What is the sea temperature in January in Sumoto?

In Sumoto, the average seawater temperature in January 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).

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

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

When is the sunrise / sunset in January in Sumoto?

On the first day of January in Sumoto, Japan, sunrise is at 07:06 and sunset at 17:00. On the last day of the month, sunrise is at 06:59 and sunset at 17:28 JST.

What is the month with the least sunshine in Sumoto?

January and February, with an average of 5.3h of sunshine, are months with the least sunshine.

How many hours of sunshine does Sumoto have in January?

In Sumoto, Japan, the average sunshine duration in January is 5.3h.

When is the lowest UV index in Sumoto?

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Sumoto, Japan.

How high is the UV index in January in Sumoto?

In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
11.9°C 53.4°F
9.7°C 49.5°F
9.9°C 49.8°F
Average low temperature
8.9°C 48°F
6.4°C 43.5°F
6.6°C 43.9°F
Average pressure
1019.6mbar 30.11inHg
1019.9mbar 30.12inHg
1019.9mbar 30.12inHg
Average wind speed
23.3km/h 14.5mph
23.6km/h 14.7mph
21.3km/h 13.2mph
Average max. wind speed
24.8km/h 15.4mph
25.3km/h 15.7mph
23.1km/h 14.4mph
Average wind speed gusts
29.4km/h 18.3mph
29.6km/h 18.4mph
27.4km/h 17mph
Average humidity
69%
67%
68%
Average rainfall
70mm 2.76"
44mm 1.73"
46mm 1.81"
Average rainfall days
19.2
16.5
13.2
Average snowfall
0mm 0"
3mm 0.12"
9mm 0.35"
Average snowfall days
0.3
1.3
1.4
Average sea temperature
19.3°C 66.7°F
16.3°C 61.3°F
15.7°C 60.3°F
Average daylight
9h 5min
10h 1min
11h 0min
Average sunshine
5h 2min
5h 2min
5h 2min
Average sunshine days
7.8
9.1
11.2
Average UV index
3
3
3
Average cloud cover
43%
44%
44%
Average visibility
10km 6.2mi
10km 6.2mi
10km 6.2mi

Average temperature in January
Sumoto, Japan

Average temperature in January - Sumoto, Japan
  • Average high temperature in January: 9.7°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (9.7°C).

  • Average low temperature in January: 6.4°C

The month with the highest average low temperature is August (26.1°C).
The coldest month (with the lowest average low temperature) is January (6.4°C).

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Average pressure in January
Sumoto, Japan

Average pressure in January - Sumoto, Japan
  • Average pressure in January: 1019.9mbar

The months with the highest atmospheric pressure are January and February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).

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Average wind speed in January
Sumoto, Japan

Average wind speed in January - Sumoto, Japan
  • Average wind speed in January: 23.6km/h

The windiest month (with the highest average wind speed) is January (23.6km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).

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Average humidity in January
Sumoto, Japan

Average humidity in January - Sumoto, Japan
  • Average humidity in January: 67%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (67%).

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Average rainfall in January
Sumoto, Japan

Average rainfall in January - Sumoto, Japan
  • Average rainfall in January: 44mm

The wettest month (with the highest rainfall) is July (190mm).
The driest month (with the least rainfall) is January (44mm).

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Average rainfall days in January
Sumoto, Japan

Average rainfall days in January - Sumoto, Japan
  • Average rainfall days in January: 16.5 days

The month with the highest number of rainy days is July (20.7 days).
The months with the least rainy days are February and May (13.2 days).

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Average snowfall in January
Sumoto, Japan

Average snowfall in January - Sumoto, Japan
  • Average snowfall in January: 3mm

The month with the highest snowfall is February (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in January
Sumoto, Japan

Average snowfall days in January - Sumoto, Japan
  • Average snowfall days in January: 1.3 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in January
Sumoto, Japan

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

The best month for swimming (with the highest average sea temperature) is August (27.8°C).
The coldest month (with the lowest average sea temperature) is February (15.7°C).

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

Average daylight in January / Average sunshine in January - Sumoto, 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 2min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 18min).

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Average sunshine days in January
Sumoto, Japan

Average sunshine days in January - Sumoto, Japan
  • Average sunshine days in January: 9.1 days

The month with the most sunshine days is May (16.1 days).
The months with the least sunshine days are August and December (7.8 days).

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Average UV index in January
Sumoto, Japan

Average UV index in January - Sumoto, Japan
  • Average UV index in January: 3

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

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Average cloud cover in January
Sumoto, Japan

Average cloud cover in January - Sumoto, Japan
  • Average cloud cover in January: 44

The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in January
Sumoto, Japan

Average visibility in January - Sumoto, 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).

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Sumoto, Japan

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