December weather forecast
Omori, Japan

December

Weather in December

December, the first month of the winter in Omori, is still a cool month, with temperature in the range of an average low of 5.8°C (42.4°F) and an average high of 11°C (51.8°F).

Temperature

Omori's transition into December involves a shift in temperature, receding from an enjoyable 16.4°C (61.5°F) in November to a fresh 11°C (51.8°F). In the month of December, Omori experiences an average low-temperature of 5.8°C (42.4°F).

Humidity

In Omori, the average relative humidity in December is 65%.

Rainfall

In Omori, in December, during 6 rainfall days, 9mm (0.35") of precipitation is typically accumulated. In Omori, Japan, during the entire year, the rain falls for 98.7 days and collects up to 190mm (7.48") of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 06:31 and sunset at 16:25. On the last day of the month, sunrise is at 06:49 and sunset at 16:35 JST.

Sunshine

In December, the average sunshine is 6h.

UV index

In Omori, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What are the temperatures in Omori in December?
In Omori, in December, the average high-temperature is 11°C (51.8°F), and the average low-temperature is 5.8°C (42.4°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is appraised at 40°C (104°F).
What is the average humidity in December in Omori?
In Omori, the average relative humidity in December is 65%.
How many days does it rain in December in Omori?
In Omori, during December, the rain falls for 6 days and regularly aggregates up to 9mm (0.35") of precipitation.
When it does not snow in Omori?
In Omori, Japan, snow does not fall in March through December.
Does it snow in Omori in December?
In Omori, Japan, in December, it doesn't snow. In January, it regularly snows.
What is the month with the shortest days in Omori?
With an average of 9h and 48min of daylight, December has the shortest days of the year.
What is the average length of the day in December in Omori?
In Omori, Japan, the average day length in December is 9h and 47min.
When are sunrise and sunset in December in Omori?
On the first day of December, sunrise is at 06:31 and sunset at 16:25. On the last day of the month, sunrise is at 06:49 and sunset at 16:35 JST.
How long on average sun shines in December in Omori?
The average sunshine duration in December in Omori is 6h.
What is the UV index reading in December in Omori?
The average daily maximum UV index in December in Omori, Japan, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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 December - Omori, Japan
Average temperature in December
Omori, Japan
  • Average high temperature in December: 11°C

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in December: 5.8°C

The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).

Average pressure in December - Omori, Japan
Average pressure in December
Omori, Japan
  • Average pressure in December: 1016.1mbar

The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in December - Omori, Japan
Average wind speed in December
Omori, Japan
  • Average wind speed in December: 12.9km/h

The windiest month (with the highest average wind speed) is April (14.8km/h).
The calmest months (with the lowest average wind speed) are June and November (11.7km/h).

Average humidity in December - Omori, Japan
Average humidity in December
Omori, Japan
  • Average humidity in December: 65%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (61%).

Average rainfall in December - Omori, Japan
Average rainfall in December
Omori, Japan
  • Average rainfall in December: 9mm

The wettest month (with the highest rainfall) is October (25mm).
The driest month (with the least rainfall) is January (7mm).

Average rainfall days in December - Omori, Japan
Average rainfall days in December
Omori, Japan
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is June (10.9 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in December - Omori, Japan
Average snowfall in December
Omori, Japan
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December - Omori, Japan
Average snowfall days in December
Omori, Japan
  • Average snowfall days in December: 0 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 December / Average sunshine in December - Omori, Japan
Average daylight in December /
Average sunshine in December
Omori, Japan
  • Average daylight in December: 9h and 5min

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 December: 6h and 0min

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 30min).

Average sunshine days in December - Omori, Japan
Average sunshine days in December
Omori, Japan
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is June (16.1 days).

Average UV index in December - Omori, Japan
Average UV index in December
Omori, Japan
  • Average UV index in December: 3

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 December - Omori, Japan
Average cloud cover in December
Omori, Japan
  • Average cloud cover in December: 32

The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 29).

Average visibility in December - Omori, Japan
Average visibility in December
Omori, Japan
  • Average visibility in December: 10km

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

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