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
Weather in December
Temperature
A subtle decrease in the average high-temperature marks December, falling from November's frosty 6.7°C (44.1°F) to a cold 0.3°C (32.5°F). December's average low temperature is a subzero cold -4.1°C (24.6°F), displaying a subtle drop from its daily peak.Humidity
The average relative humidity in December is 82%.Rainfall
In Toyoura, Japan, in December, during 12 rainfall days, 60mm (2.36") of precipitation is typically accumulated. In Toyoura, during the entire year, the rain falls for 169.3 days and collects up to 792mm (31.18") of precipitation.Snowfall
Months with snowfall in Toyoura are January through April, November and December. In Toyoura, during December, snow falls for 18.5 days and regularly aggregates up to 156mm (6.14") of snow. Throughout the year, in Toyoura, there are 94.1 snowfall days, and 888mm (34.96") of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Toyoura.On the first day of the month, sunrise is at 06:47 and sunset at 16:05. On the last day of December, in Toyoura, sunrise is at 07:06 and sunset at 16:13 JST.
Sunshine
In Toyoura, Japan, the average sunshine in December is 3.1h.UV index
The months with the lowest UV index in Toyoura are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 1 during December leads to these advisories:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is December in Toyoura?
What is the average humidity in December in Toyoura?
How much does it rain in Toyoura in December?
How much does it snow in Toyoura in December?
What is the month with the shortest days in Toyoura?
What is the average length of the day in December in Toyoura?
When are sunrise and sunset in December in Toyoura?
How long on average sun shines in December in Toyoura?
What is the month with the lowest UV index in Toyoura?
What is the UV index intensity in December in Toyoura?
Average temperature in December
Toyoura, Japan
- Average high temperature in December: 0.3°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 (-2.3°C).
- Average low temperature in December: -4.1°C
The month with the highest average low temperature is August (17.4°C).
The coldest month (with the lowest average low temperature) is February (-7.3°C).
Average pressure in December
Toyoura, Japan
- Average pressure in December: 1013.7mbar
The month with the highest atmospheric pressure is November (1016.6mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in December
Toyoura, Japan
- Average wind speed in December: 16.7km/h
The windiest month (with the highest average wind speed) is December (16.7km/h).
The calmest month (with the lowest average wind speed) is July (9.2km/h).
Average humidity in December
Toyoura, Japan
- Average humidity in December: 82%
The month with the highest relative humidity is July (88%).
The months with the lowest relative humidity are April and October (78%).
Average rainfall in December
Toyoura, Japan
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is August (102mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days in December
Toyoura, Japan
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in December
Toyoura, Japan
- Average snowfall in December: 156mm
The month with the highest snowfall is February (239mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Toyoura, Japan
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (24.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Toyoura, Japan
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is April (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Toyoura, Japan
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is October (14.7 days).
The months with the least sunshine days are January and February (4.3 days).
Average UV index in December
Toyoura, Japan
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Toyoura, Japan
- Average cloud cover in December: 66
The months with the most cloud cover are January and February (Cloud cover 69).
The month with the least cloud cover is October (Cloud cover 41).
Average visibility in December
Toyoura, Japan
- Average visibility in December: 8km
The months with the highest visibility are April, May, September, October and November (9km).
The month with the lowest visibility is July (7km).
Toyoura, Japan
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