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
The beginning of December marks a decrease in the average high-temperature, transitioning from a frosty 9.2°C (48.6°F) in November to a wintry 2.7°C (36.9°F). Ajigasawa upholds a consistent average temperature of -1.1°C (30°F) throughout the nights of December.Humidity
The average relative humidity in December in Ajigasawa is 81%.Rainfall
In December, in Ajigasawa, the rain falls for 9.3 days. Throughout December, 78mm (3.07") of precipitation is accumulated. In Ajigasawa, during the entire year, the rain falls for 148.4 days and collects up to 688mm (27.09") of precipitation.Snowfall
Months with snowfall in Ajigasawa, Japan, are January through April, November and December. December is the month with the most snowfall. Snow falls for 18.5 days and accumulates 326mm (12.83") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 06:44 and sunset at 16:12. On the last day of the month, sunrise is at 07:03 and sunset at 16:21 JST.
Sunshine
The average sunshine in December in Ajigasawa is 2.3h.UV index
The months with the lowest UV index in Ajigasawa are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
How cold is December in Ajigasawa?
What is the average humidity in December in Ajigasawa?
How much does it rain in Ajigasawa in December?
When does it snow the most in Ajigasawa?
How much does it snow in Ajigasawa in December?
What is the month with the shortest days in Ajigasawa?
What is the average length of the day in December in Ajigasawa?
What time are sunrise and sunset in December in Ajigasawa?
How many hours of sunshine does Ajigasawa have in December?
When is the lowest UV index in Ajigasawa?
What is the UV index intensity in December in Ajigasawa?
Average temperature in December
Ajigasawa, Japan
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is August (19.1°C).
The coldest month (with the lowest average low temperature) is February (-5°C).
Average pressure in December
Ajigasawa, Japan
- Average pressure in December: 1014.8mbar
The month with the highest atmospheric pressure is November (1017.5mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Ajigasawa, Japan
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in December
Ajigasawa, Japan
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and July (86%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Ajigasawa, Japan
- Average rainfall in December: 78mm
The wettest month (with the highest rainfall) is July (88mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in December
Ajigasawa, Japan
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in December
Ajigasawa, Japan
- Average snowfall in December: 326mm
The month with the highest snowfall is December (326mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Ajigasawa, Japan
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (23.8 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
Ajigasawa, Japan
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in December
Ajigasawa, Japan
- Average sunshine days in December: 4.7 days
The month with the most sunshine days is May (17.4 days).
The month with the least sunshine days is January (4.3 days).
Average UV index in December
Ajigasawa, Japan
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Ajigasawa, Japan
- Average cloud cover in December: 78
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
Ajigasawa, Japan
- Average visibility in December: 8km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January, February, June, July, August and December (8km).
Ajigasawa, Japan
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