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
December
Weather in December
Temperature
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a refreshing 15.6°C (60.1°F) in November to a chilly 9.7°C (49.5°F). Ono observes a slightly reduced average nighttime temperature of 4.7°C (40.5°F) during December.Humidity
In Ono, the average relative humidity in December is 75%.Rainfall
In Ono, in December, it is raining for 16.5 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 175.8 rainfall days, and 660mm (25.98") of precipitation is accumulated.Snowfall
Months with snowfall in Ono are January through March and December. December is the first month it typically snows. Throughout December, in the average 4 snowfall days, it receives 22mm (0.87") of snow. Throughout the year, in Ono, there are 21.4 snowfall days, and 125mm (4.92") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:49 and sunset at 16:49. On the last day of December, sunrise is at 07:07 and sunset at 16:59 JST.
Sunshine
In December, the average sunshine in Ono is 5.1h.UV index
The months with the lowest UV index in Ono are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Ono?
What is the average humidity in December in Ono?
How many days does it rain in December in Ono?
When does it start to snow in Ono?
What is the month with the shortest days in Ono?
How many hours of daylight does Ono have in December?
What time are sunrise and sunset in December in Ono?
How many hours of sunshine does Ono have in December?
What are the months with the lowest UV index in Ono?
How high is the UV index in December in Ono?
Average temperature in December
Ono, Japan
- Average high temperature in December: 9.7°C
The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in December: 4.7°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in December
Ono, Japan
- Average pressure in December: 1019.6mbar
The month with the highest atmospheric pressure is February (1020mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed in December
Ono, Japan
- Average wind speed in December: 12.8km/h
The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is June (9.1km/h).
Average humidity in December
Ono, Japan
- Average humidity in December: 75%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are March and April (72%).
Average rainfall in December
Ono, Japan
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is July (121mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in December
Ono, Japan
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is May (11.2 days).
Average snowfall in December
Ono, Japan
- Average snowfall in December: 22mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Ono, Japan
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Ono, 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: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Ono, Japan
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is May (17.9 days).
The month with the least sunshine days is December (7.6 days).
Average UV index in December
Ono, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Ono, Japan
- Average cloud cover in December: 44
The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Ono, Japan
- Average visibility in December: 10km
The months with the highest visibility are February, March, September, October, November and December (10km).
The months with the lowest visibility are January, April, May, June, July and August (9km).
