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
December's onset corresponds with a shift in the average high-temperature, moving from a moderate 14.1°C (57.4°F) in November to a chilly 8.4°C (47.1°F). December nights document an average temperature reading of 4.9°C (40.8°F).Humidity
In December, the average relative humidity in Atakamachi is 76%.Rainfall
In Atakamachi, Japan, during December, the rain falls for 23.4 days and regularly aggregates up to 143mm (5.63") of precipitation. Throughout the year, in Atakamachi, there are 200.1 rainfall days, and 1307mm (51.46") of precipitation is accumulated.Snowfall
Months with snowfall in Atakamachi are January through March and December. December is the first month it typically snows in Atakamachi, Japan. Throughout December, in the average 5.8 snowfall days, it receives 111mm (4.37") of snow. In Atakamachi, Japan, during the entire year, snow falls for 31.3 days and aggregates up to 523mm (20.59") of snow.Daylight
The month with the shortest days in Atakamachi is December, with an average of 9h and 42min of daylight.On the first day of December in Atakamachi, sunrise is at 06:47 and sunset at 16:39. On the last day of the month, sunrise is at 07:05 and sunset at 16:48 JST.
Sunshine
The average sunshine in December in Atakamachi is 3.4h.UV index
The months with the lowest UV index in Atakamachi, Japan, are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the temperature in December in Atakamachi?
What is the average humidity in December in Atakamachi?
How much does it rain in Atakamachi in December?
When does it start snowing in Atakamachi?
What is the month with the shortest days in Atakamachi?
How many hours of daylight does Atakamachi have in December?
What time are sunrise and sunset in December in Atakamachi?
How many hours of sunshine does Atakamachi have in December?
When is the lowest UV index in Atakamachi?
How high is the UV index in December in Atakamachi?
Average temperature in December
Atakamachi, Japan
- Average high temperature in December: 8.4°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 4.9°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average pressure in December
Atakamachi, Japan
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in December
Atakamachi, Japan
- Average wind speed in December: 18.8km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is June (10.2km/h).
Average humidity in December
Atakamachi, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Atakamachi, Japan
- Average rainfall in December: 143mm
The wettest month (with the highest rainfall) is July (182mm).
The driest month (with the least rainfall) is May (63mm).
Average rainfall days in December
Atakamachi, Japan
- Average rainfall days in December: 23.4 days
The month with the highest number of rainy days is December (23.4 days).
The month with the least rainy days is May (12.1 days).
Average snowfall in December
Atakamachi, Japan
- Average snowfall in December: 111mm
The month with the highest snowfall is January (203mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Atakamachi, Japan
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Atakamachi, Japan
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Atakamachi, Japan
- Average sunshine days in December: 4.7 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (4.7 days).
Average UV index in December
Atakamachi, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Atakamachi, Japan
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Atakamachi, Japan
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, August, September, October and November (10km).
The months with the lowest visibility are January, February, July and December (9km).
Atakamachi, Japan
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