December weather forecastHirone, Japan
December
Weather in December
The first month of the winter, December, is also a frosty month in Hirone, Japan, with an average temperature ranging between min 3.4°C (38.1°F) and max 8.9°C (48°F).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's refreshing 15°C (59°F) to a frosty 8.9°C (48°F). An average low-temperature of 3.4°C (38.1°F) is observed during December nights.Humidity
The average relative humidity in December is 79%.Rainfall
In Hirone, Japan, in December, it is raining for 10.2 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 159.6 rainfall days, and 737mm (29.02") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 9mm (0.35") of snow. In Hirone, during the entire year, snow falls for 8.5 days and aggregates up to 50mm (1.97") of snow.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 06:47 and sunset at 16:47. On the last day of December, in Hirone, sunrise is at 07:05 and sunset at 16:57 JST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hirone, Japan
- Average high temperature in December: 8.9°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 3.4°C
The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in December
Hirone, Japan
- Average pressure in December: 1019.4mbar
The month with the highest atmospheric pressure is February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in December
Hirone, Japan
- Average wind speed in December: 9.5km/h
The windiest month (with the highest average wind speed) is March (10.1km/h).
The calmest month (with the lowest average wind speed) is June (7.7km/h).
Average humidity in December
Hirone, Japan
- Average humidity in December: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Hirone, Japan
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is July (142mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in December
Hirone, Japan
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Hirone, Japan
- Average snowfall in December: 9mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Hirone, Japan
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (4.1 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
Hirone, Japan
- Average daylight in December: 9h and 54min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Hirone, Japan
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in December
Hirone, 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
Hirone, Japan
- Average cloud cover in December: 44
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Hirone, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
