December weather forecastMashike, Japan
December
Weather in December
December, the first month of the winter in Mashike, is still a cold month, with an average temperature varying between 0.1°C (32.2°F) and -3.5°C (25.7°F).Temperature
With December's onset, the weather shows a temperature decrease, transitioning from 5.9°C (42.6°F) in November to a still icy 0.1°C (32.2°F). Mashike maintains a consistent average nighttime low-temperature of -3.5°C (25.7°F) throughout December.Humidity
In Mashike, Japan, the average relative humidity in December is 81%.Rainfall
In Mashike, in December, during 5 rainfall days, 70mm (2.76") of precipitation is typically accumulated. Throughout the year, there are 138.6 rainfall days, and 792mm (31.18") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Mashike, Japan. The month with the most snowfall in Mashike is December, when snow falls for 18 days and typically aggregates up to 260mm (10.24") 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 the month, sunrise is at 06:48 and sunset at 15:57. On the last day of December, sunrise is at 07:07 and sunset at 16:05 JST.
Sunshine
January and December, with an average of 1.4h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Mashike. 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 UV index of 1 transforms into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mashike, Japan
- Average high temperature in December: 0.1°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in December: -3.5°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (-6.5°C).
Average pressure in December
Mashike, Japan
- Average pressure in December: 1012.2mbar
The month with the highest atmospheric pressure is November (1015.4mbar).
The month with the lowest atmospheric pressure is July (1008.4mbar).
Average wind speed in December
Mashike, Japan
- Average wind speed in December: 22.6km/h
The windiest month (with the highest average wind speed) is December (22.6km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in December
Mashike, Japan
- Average humidity in December: 81%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Mashike, Japan
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is August (136mm).
The driest month (with the least rainfall) is February (35mm).
Average rainfall days in December
Mashike, Japan
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in December
Mashike, Japan
- Average snowfall in December: 260mm
The month with the highest snowfall is December (260mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Mashike, Japan
- Average snowfall days in December: 18 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mashike, 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 24min
The months with the most sunshine are May and August (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 1h and 24min).
Average sunshine days in December
Mashike, Japan
- Average sunshine days in December: 5.1 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is December (5.1 days).
Average UV index in December
Mashike, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Mashike, Japan
- Average cloud cover in December: 86
The month with the most cloud cover is January (Cloud cover 88).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Mashike, Japan
- Average visibility in December: 8km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January, February and December (8km).
