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
Mashiko in December undergoes a mild reduction in the average high-temperature, shifting from November's refreshing 15.3°C (59.5°F) to a chilly 9.5°C (49.1°F). December's nights in Mashiko observe an average temperature of 2.8°C (37°F).Humidity
In Mashiko, the average relative humidity in December is 65%.Rainfall
December is the month with the least rainfall. Rain falls for 8 days and accumulates 20mm (0.79") of precipitation.Snowfall
April through October and December are months without snowfall in Mashiko.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 06:32 and sunset at 16:24. On the last day of the month, sunrise is at 06:51 and sunset at 16:34 JST.
Sunshine
In December, the average sunshine is 6.5h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Mashiko. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the average December temperature in Mashiko?
What is the average humidity in December in Mashiko?
What is the driest month in Mashiko?
How much does it rain in Mashiko in December?
When it does not snow in Mashiko?
Does it snow in Mashiko in December?
What is the month with the shortest days in Mashiko?
How many hours of daylight does Mashiko have in December?
What time are sunrise and sunset in December in Mashiko?
How long on average sun shines in December in Mashiko?
What is the month with the lowest UV index in Mashiko?
What is the UV index intensity in December in Mashiko?
Average temperature in December
Mashiko, Japan
- Average high temperature in December: 9.5°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in December: 2.8°C
The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in December
Mashiko, Japan
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in December
Mashiko, Japan
- Average wind speed in December: 8km/h
The windiest month (with the highest average wind speed) is April (9.8km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).
Average humidity in December
Mashiko, Japan
- Average humidity in December: 65%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (61%).
Average rainfall in December
Mashiko, Japan
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is July (87mm).
The driest month (with the least rainfall) is December (20mm).
Average rainfall days in December
Mashiko, Japan
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Mashiko, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in December
Mashiko, Japan
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Mashiko, 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: 6h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are February and November (Average sunshine: 6h and 6min).
Average sunshine days in December
Mashiko, Japan
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is June (8 days).
Average UV index in December
Mashiko, 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 and December (UV index 2).
Average cloud cover in December
Mashiko, Japan
- Average cloud cover in December: 30
The month with the most cloud cover is June (Cloud cover 50).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility in December
Mashiko, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March and December (10km).
The month with the lowest visibility is July (8km).
Mashiko, Japan
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