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
December brings a drop in Onishi's average high-temperature, falling from a refreshing 13.4°C (56.1°F) in November to a chilly 7.5°C (45.5°F). An average low-temperature of 0.8°C (33.4°F) marks the month of December.Humidity
In Onishi, the average relative humidity in December is 66%.Rainfall
The months with the least rainfall in Onishi are February and December Rain falls for 10.3 days and accumulates 27mm (1.06") of rain.Snowfall
Months with snowfall in Onishi, Japan, are January through April, November and December. In December, in Onishi, it is snowing for 2.6 days. Throughout December, 14mm (0.55") of snow is accumulated. Throughout the year, there are 22.5 snowfall days, and 226mm (8.9") of snow is accumulated.Daylight
December has the shortest days of the year in Onishi, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:36 and sunset at 16:29. On the last day of December, sunrise is at 06:54 and sunset at 16:39 JST.
Sunshine
The average sunshine in December in Onishi, Japan, is 6.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What are December temperatures in Onishi?
What is the average humidity in December in Onishi?
What is the driest month in Onishi?
How many days does it rain in December in Onishi?
How much does it snow in Onishi in December?
What is the month with the shortest days in Onishi?
How many hours of daylight does Onishi have in December?
What time are sunrise and sunset in December in Onishi?
How long on average sun shines in December in Onishi?
When is the lowest UV index in Onishi?
How high is the UV index in December in Onishi?
Average temperature in December
Onishi, Japan
- Average high temperature in December: 7.5°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 (5°C).
- Average low temperature in December: 0.8°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 (-2.3°C).
Average pressure in December
Onishi, Japan
- Average pressure in December: 1017mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in December
Onishi, Japan
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is January (10km/h).
The calmest month (with the lowest average wind speed) is July (5.7km/h).
Average humidity in December
Onishi, Japan
- Average humidity in December: 66%
The months with the highest relative humidity are July and September (79%).
The month with the lowest relative humidity is January (65%).
Average rainfall in December
Onishi, Japan
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is October (156mm).
The driest months (with the least rainfall) are February and December (27mm).
Average rainfall days in December
Onishi, Japan
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (26 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in December
Onishi, Japan
- Average snowfall in December: 14mm
The month with the highest snowfall is February (99mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Onishi, Japan
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Onishi, Japan
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are May and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in December
Onishi, Japan
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (3.1 days).
Average UV index in December
Onishi, Japan
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Onishi, Japan
- Average cloud cover in December: 24
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is December (Cloud cover 24).
Average visibility in December
Onishi, Japan
- Average visibility in December: 10km
The months with the highest visibility are January and December (10km).
The months with the lowest visibility are June, July, August and September (8km).
Onishi, Japan
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