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
As December arrives, Wassamu's weather displays a decrease in high-temperatures, transitioning from November's cold 2.7°C (36.9°F) to a freezing cold -3.4°C (25.9°F). In December, in Wassamu, the average low-temperature is a still subzero cold -8.8°C (16.2°F).Humidity
In Wassamu, the average relative humidity in December is 93%.Rainfall
In December, the rain falls for 5.7 days. Throughout December, 100mm (3.94") of precipitation is accumulated. Throughout the year, in Wassamu, there are 156 rainfall days, and 936mm (36.85") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 27.5 days and accumulates 688mm (27.09") of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 06:45 and sunset at 15:53. On the last day of the month, sunrise is at 07:04 and sunset at 16:01 JST.
Sunshine
In December, the average sunshine in Wassamu is 1.2h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 1 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. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Wassamu?
What is the average humidity in December in Wassamu?
How much does it rain in Wassamu in December?
What is the snowiest month in Wassamu?
How much does it snow in Wassamu in December?
What is the month with the shortest days in Wassamu?
What is the average length of the day in December in Wassamu?
When is the sunrise / sunset in December in Wassamu?
How many hours of sunshine does Wassamu have in December?
When is the lowest UV index in Wassamu?
What is the UV index intensity in December in Wassamu?
Average temperature in December
Wassamu, Japan
- Average high temperature in December: -3.4°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in December: -8.8°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (-12.2°C).
Average pressure in December
Wassamu, Japan
- Average pressure in December: 1011.6mbar
The months with the highest atmospheric pressure are October and November (1015mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in December
Wassamu, Japan
- Average wind speed in December: 11.5km/h
The windiest month (with the highest average wind speed) is December (11.5km/h).
The calmest month (with the lowest average wind speed) is July (6.9km/h).
Average humidity in December
Wassamu, Japan
- Average humidity in December: 93%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is May (79%).
Average rainfall in December
Wassamu, Japan
- Average rainfall in December: 100mm
The wettest month (with the highest rainfall) is August (121mm).
The driest month (with the least rainfall) is April (50mm).
Average rainfall days in December
Wassamu, Japan
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is August (20.6 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in December
Wassamu, Japan
- Average snowfall in December: 688mm
The month with the highest snowfall is December (688mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Wassamu, Japan
- Average snowfall days in December: 27.5 days
The month with the highest number of snowfall days is January (28.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wassamu, Japan
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 1h and 1min
The months with the most sunshine are May and August (Average sunshine: 7h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 0min).
Average sunshine days in December
Wassamu, Japan
- Average sunshine days in December: 1.8 days
The month with the most sunshine days is May (12.1 days).
The month with the least sunshine days is December (1.8 days).
Average UV index in December
Wassamu, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Wassamu, Japan
- Average cloud cover in December: 88
The month with the most cloud cover is January (Cloud cover 90).
The months with the least cloud cover are April, May and September (Cloud cover 55).
Average visibility in December
Wassamu, Japan
- Average visibility in December: 5km
The months with the highest visibility are April, May and October (8km).
The month with the lowest visibility is January (4km).
