January weather forecast
Omitama, Japan

January

Weather in January

January, the same as December, in Omitama, Japan, is a frosty winter month, with an average temperature varying between 2°C (35.6°F) and 8.1°C (46.6°F).

Temperature

January stands out as Omitama's coldest month, with an average high-temperature of 8.1°C (46.6°F) and a low-temperature of 2°C (35.6°F).

Humidity

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

Rainfall

The month with the least rainfall in Omitama is January, when the rain falls for 5.7 days and typically collects 26mm (1.02") of precipitation.

Snowfall

January through March are months with snowfall. January is the first month it typically snows in Omitama, Japan. Throughout January, in the average 0.8 snowfall days, it receives 12mm (0.47") of snow. In Omitama, during the entire year, snow falls for 3.5 days and aggregates up to 45mm (1.77") of snow.

Daylight

The average length of the day in January in Omitama is 10h and 1min.
On the first day of the month, sunrise is at 06:49 and sunset at 16:33. On the last day of January, in Omitama, Japan, sunrise is at 06:40 and sunset at 17:02 JST.

Sunshine

In January, the average sunshine in Omitama, Japan, is 6.3h.

UV index

January is the month with the lowest UV index in Omitama, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 2 during January leads to these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What time of the year is the coldest in Omitama?
The coldest period in Omitama, Japan, tends to be January, when average temperatures fluctuate between a high of 8.1°C (46.6°F) and a low of 2°C (35.6°F).
What is the temperature in January in Omitama?
The average high-temperature, in January, in Omitama, is 8.1°C (46.6°F), while the average low-temperature is 2°C (35.6°F).
What is the least humid month in Omitama?
The least humid month in Omitama, Japan, is January, with an average relative humidity of 62%.
What is the average humidity in January in Omitama?
In Omitama, Japan, the average relative humidity in January is 62%.
What is the driest month in Omitama?
The month with the least rainfall in Omitama is January, when the rain falls for 5.7 days and typically collects 26mm (1.02") of precipitation.
How many days does it rain in January in Omitama?
In Omitama, Japan, in January, it is raining for 5.7 days, with typically 26mm (1.02") of accumulated precipitation.
When does it start to snow in Omitama?
January is the first month it typically snows in Omitama, Japan. Throughout January, in the average 0.8 snowfall days, it receives 12mm (0.47") of snow.
What is the average length of the day in January in Omitama?
In January, the average day length in Omitama, Japan, is 10h and 1min.
What time are sunrise and sunset in January in Omitama?
In January, on the first day of the month, sunrise is at 06:49 and sunset at 16:33. On the last day of the month, in Omitama, Japan, sunrise is at 06:40 and sunset at 17:02 JST.
How long on average sun shines in January in Omitama?
In Omitama, the average sunshine duration in January is 6.3h.
When is the lowest UV index in Omitama?
The month with the lowest UV index in Omitama, Japan, is January, with an average maximum UV index of 2.
What is the UV index intensity in January in Omitama?
In Omitama, Japan, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January - Omitama, Japan
Average temperature in January
Omitama, Japan
  • Average high temperature in January: 8.1°C

The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (8.1°C).

  • Average low temperature in January: 2°C

The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (2°C).

Average pressure in January - Omitama, Japan
Average pressure in January
Omitama, Japan
  • Average pressure in January: 1016mbar

The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in January - Omitama, Japan
Average wind speed in January
Omitama, Japan
  • Average wind speed in January: 13.5km/h

The windiest month (with the highest average wind speed) is March (14.4km/h).
The calmest months (with the lowest average wind speed) are June and July (10.9km/h).

Average humidity in January - Omitama, Japan
Average humidity in January
Omitama, 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 - Omitama, Japan
Average rainfall in January
Omitama, Japan
  • Average rainfall in January: 26mm

The wettest month (with the highest rainfall) is October (99mm).
The driest month (with the least rainfall) is January (26mm).

Average rainfall days in January - Omitama, Japan
Average rainfall days in January
Omitama, Japan
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in January - Omitama, Japan
Average snowfall in January
Omitama, Japan
  • Average snowfall in January: 12mm

The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in January - Omitama, Japan
Average snowfall days in January
Omitama, Japan
  • Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average daylight in January / Average sunshine in January - Omitama, Japan
Average daylight in January /
Average sunshine in January
Omitama, Japan
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 6h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are February and November (Average sunshine: 5h and 36min).

Average sunshine days in January - Omitama, Japan
Average sunshine days in January
Omitama, Japan
  • Average sunshine days in January: 24.2 days

The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is June (10 days).

Average UV index in January - Omitama, Japan
Average UV index in January
Omitama, Japan
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in January - Omitama, Japan
Average cloud cover in January
Omitama, Japan
  • Average cloud cover in January: 29

The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 29).

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

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

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