Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A moderate decline in the average high-temperature is seen during December, decreasing from a mild 13.9°C (57°F) in November to a frosty 7.5°C (45.5°F). Throughout the month of December, the nighttime temperature in Oasa dips to an average of 2.3°C (36.1°F).Humidity
The average relative humidity in December in Oasa is 82%.Rainfall
In Oasa, in December, it is raining for 17.5 days, with typically 73mm (2.87") of accumulated precipitation. Throughout the year, there are 183.2 rainfall days, and 1092mm (42.99") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Oasa. In December, in Oasa, it is snowing for 6.4 days. Throughout December, 75mm (2.95") of snow is accumulated. In Oasa, during the entire year, snow falls for 27 days and aggregates up to 345mm (13.58") of snow.Daylight
December has the shortest days of the year in Oasa, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:59 and sunset at 16:59. On the last day of December, sunrise is at 07:17 and sunset at 17:09 JST.
Sunshine
In Oasa, the average sunshine in December is 3.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the temperature in December in Oasa?
What is the average humidity in December in Oasa?
How much does it rain in Oasa in December?
How many days does it snow in December in Oasa?
What is the month with the shortest days in Oasa?
What is the average length of the day in December in Oasa?
When is the sunrise / sunset in December in Oasa?
How long on average sun shines in December in Oasa?
What is the month with the lowest UV index in Oasa?
What is the UV index intensity in December in Oasa?
Average temperature in December
Oasa, Japan
- Average high temperature in December: 7.5°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 (5.1°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in December
Oasa, Japan
- Average pressure in December: 1020.4mbar
The month with the highest atmospheric pressure is January (1020.9mbar).
The months with the lowest atmospheric pressure are June and July (1008.3mbar).
Average wind speed in December
Oasa, Japan
- Average wind speed in December: 10.6km/h
The windiest month (with the highest average wind speed) is December (10.6km/h).
The calmest month (with the lowest average wind speed) is June (6.3km/h).
Average humidity in December
Oasa, Japan
- Average humidity in December: 82%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Oasa, Japan
- Average rainfall in December: 73mm
The wettest month (with the highest rainfall) is July (202mm).
The driest month (with the least rainfall) is November (42mm).
Average rainfall days in December
Oasa, Japan
- Average rainfall days in December: 17.5 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is May (11.6 days).
Average snowfall in December
Oasa, Japan
- Average snowfall in December: 75mm
The month with the highest snowfall is January (145mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Oasa, Japan
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Oasa, 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 54min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Oasa, Japan
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is May (18.2 days).
The months with the least sunshine days are July and December (8.1 days).
Average UV index in December
Oasa, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Oasa, Japan
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 39).
Average visibility in December
Oasa, Japan
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, November and December (9km).
The month with the lowest visibility is July (7km).
Oasa, Japan
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