December weather forecastHanawa, Japan
December weather for Hanawa, Japan: The month with the most snowfall in Hanawa, Japan, is December, when snow falls for 20.1 days and typically aggregates up to 486mm (19.13") of snow. In Hanawa, Japan, during December, snow falls for 20.1 days and regularly aggregates up to 486mm (19.13") of snow.
December
Weather in December
The first month of the winter, December, is also an icy month in Hanawa, Japan, with an average temperature fluctuating between -2°C (28.4°F) and 2.2°C (36°F).Temperature
Observing a mild shift, the average high-temperature during December reduces from November's chilly 8.5°C (47.3°F) to an icy 2.2°C (36°F). During December, nights in Hanawa cool slightly to an average low of -2°C (28.4°F).Humidity
In December, the average relative humidity in Hanawa is 85%.Rainfall
In Hanawa, Japan, in December, during 10.7 rainfall days, 106mm (4.17") of precipitation is typically accumulated. Throughout the year, in Hanawa, there are 175.2 rainfall days, and 961mm (37.83") of precipitation is accumulated.Snowfall
Months with snowfall in Hanawa, Japan, are January through April, November and December. The month with the most snowfall in Hanawa, Japan, is December, when snow falls for 20.1 days and typically aggregates up to 486mm (19.13") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Hanawa, sunrise is at 06:40 and sunset at 16:11. On the last day of the month, sunrise is at 06:59 and sunset at 16:20 JST.
Sunshine
In December, the average sunshine is 2h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Hanawa. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hanawa, Japan
- Average high temperature in December: 2.2°C
The warmest month (with the highest average high temperature) is August (26.4°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in December: -2°C
The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is February (-6.2°C).
Average pressure in December
Hanawa, Japan
- Average pressure in December: 1014.9mbar
The month with the highest atmospheric pressure is November (1017.6mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Hanawa, Japan
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is December (15.4km/h).
The calmest month (with the lowest average wind speed) is July (8.6km/h).
Average humidity in December
Hanawa, Japan
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Hanawa, Japan
- Average rainfall in December: 106mm
The wettest month (with the highest rainfall) is July (119mm).
The driest month (with the least rainfall) is May (49mm).
Average rainfall days in December
Hanawa, Japan
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Hanawa, Japan
- Average snowfall in December: 486mm
The month with the highest snowfall is December (486mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Hanawa, Japan
- Average snowfall days in December: 20.1 days
The month with the highest number of snowfall days is January (26.3 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
Hanawa, Japan
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in December
Hanawa, Japan
- Average sunshine days in December: 3.2 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is January (2.2 days).
Average UV index in December
Hanawa, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Hanawa, Japan
- Average cloud cover in December: 80
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in December
Hanawa, Japan
- Average visibility in December: 8km
The months with the highest visibility are April, May, October and November (9km).
The months with the lowest visibility are January, February and July (7km).





