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 start of December signals a decrease in the average high-temperature, transitioning from a cool 11.5°C (52.7°F) in November to an icy 5.4°C (41.7°F). In the month of December, Asakawa's average low-temperature falls to a subzero cold -1.4°C (29.5°F).Humidity
The average relative humidity in December is 78%.Rainfall
January, February and December are months with the least rain when the rain falls for 13.6 days and typically aggregates up to 41mm (1.61") of rain.Snowfall
Months with snowfall are January through April, November and December. In Asakawa, during December, snow falls for 11.5 days and regularly aggregates up to 81mm (3.19") of snow. Throughout the year, there are 55.2 snowfall days, and 605mm (23.82") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 06:33 and sunset at 16:21. On the last day of the month, sunrise is at 06:51 and sunset at 16:31 JST.
Sunshine
In Asakawa, the average sunshine in December is 6h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Asakawa?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Asakawa have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Asakawa, Japan
- Average high temperature in December: 5.4°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: -1.4°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is February (-4.5°C).
Average pressure in December
Asakawa, Japan
- Average pressure in December: 1016.6mbar
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
Asakawa, Japan
- Average wind speed in December: 10.9km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in December
Asakawa, Japan
- Average humidity in December: 78%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in December
Asakawa, Japan
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is July (145mm).
The driest months (with the least rainfall) are January, February and December (41mm).
Average rainfall days in December
Asakawa, Japan
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (25.9 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in December
Asakawa, Japan
- Average snowfall in December: 81mm
The month with the highest snowfall is January (174mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Asakawa, Japan
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (17.8 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
Asakawa, Japan
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Asakawa, Japan
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is July (3 days).
Average UV index in December
Asakawa, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Asakawa, Japan
- Average cloud cover in December: 38
The month with the most cloud cover is July (Cloud cover 56).
The month with the least cloud cover is November (Cloud cover 35).
Average visibility in December
Asakawa, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, November and December (9km).
The months with the lowest visibility are July, August and September (7km).
