December weather forecast
Oami, Japan

December

Weather in December

December, the first month of the winter in Oami, is also a fresh month, with an average temperature varying between 12.3°C (54.1°F) and 7.9°C (46.2°F).

Temperature

The commencement of December indicates a gentle shift in the average high-temperature, receding from November's enjoyable 17°C (62.6°F) to a fresh 12.3°C (54.1°F). Nights in December showcase an average temperature of 7.9°C (46.2°F), slightly cooler than the daytime.

Humidity

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

Rainfall

In Oami, in December, during 11.3 rainfall days, 54mm (2.13") of precipitation is typically accumulated. Throughout the year, in Oami, there are 173.1 rainfall days, and 1019mm (40.12") of precipitation is accumulated.

Snowfall

In Oami, snow does not fall in March through December.

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 06:29 and sunset at 16:25. On the last day of the month, sunrise is at 06:47 and sunset at 16:35 JST.

Sunshine

In Oami, the average sunshine in December is 5.8h.

UV index

The months with the lowest UV index in Oami are January through March and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 3 during December translates into the following guidance:
Act with care - The suggestion to avoid sunburn is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

What is the usual temperature for Oami in December?
Oami in December has an average high-temperature of 12.3°C (54.1°F) and an average low-temperature of 7.9°C (46.2°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 36°C (96.8°F).
What is the average humidity in December in Oami?
In December, the average relative humidity in Oami, Japan, is 65%.
How many days does it rain in December in Oami?
In Oami, in December, during 11.3 rainfall days, 54mm (2.13") of precipitation is typically accumulated.
When it does not snow in Oami?
In Oami, Japan, snow does not fall in March through December.
Does it snow in Oami in December?
In Oami, Japan, in December, it doesn't snow. In January, it regularly snows.
What is the month with the shortest days in Oami?
December has the shortest days of the year, with an average of 9h and 48min of daylight.
How many hours of daylight does Oami have in December?
In Oami, Japan, the average day length in December is 9h and 49min.
When are sunrise and sunset in December in Oami?
In December, on the first day of the month, sunrise is at 06:29 and sunset at 16:25. On the last day of the month, in Oami, Japan, sunrise is at 06:47 and sunset at 16:35 JST.
How many hours of sunshine does Oami have in December?
In Oami, the average sunshine duration in December is 5.8h.
What are the months with the lowest UV index in Oami?
January through March and December, with an average maximum UV index of 3, are months with the lowest UV index in Oami.
What is the UV index reading in December in Oami?
In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Oami, Japan
  • Average high temperature in December: 12.3°C

The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (9.5°C).

  • Average low temperature in December: 7.9°C

The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (5°C).

Average pressure in December
Oami, Japan
  • Average pressure in December: 1015.8mbar

The month with the highest atmospheric pressure is November (1017.8mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in December
Oami, Japan
  • Average wind speed in December: 17.3km/h

The windiest month (with the highest average wind speed) is March (19.4km/h).
The calmest month (with the lowest average wind speed) is June (14.5km/h).

Average humidity in December
Oami, Japan
  • Average humidity in December: 65%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (61%).

Average rainfall in December
Oami, Japan
  • Average rainfall in December: 54mm

The wettest month (with the highest rainfall) is October (132mm).
The driest month (with the least rainfall) is January (48mm).

Average rainfall days in December
Oami, Japan
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Oami, Japan
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (12mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Oami, Japan
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (1.2 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
Oami, 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: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in December
Oami, Japan
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (10 days).

Average UV index in December
Oami, Japan
  • Average UV index in December: 3

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

Average cloud cover in December
Oami, Japan
  • Average cloud cover in December: 35

The months with the most cloud cover are March, June and October (Cloud cover 47).
The months with the least cloud cover are January and August (Cloud cover 33).

Average visibility in December
Oami, Japan
  • Average visibility in December: 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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