December weather forecastSuttsu, Japan
December
Weather in December
December, the first month of the winter in Suttsu, is also a wintry month, with an average temperature ranging between max 0.7°C (33.3°F) and min -2.6°C (27.3°F).Temperature
Start of December brings a shift in the average high-temperature, falling from November's frosty 6.9°C (44.4°F) to a cold 0.7°C (33.3°F). December nights in Suttsu witness a slight temperature decrease, averaging at a subzero cold -2.6°C (27.3°F).Humidity
The average relative humidity in December is 80%.Rainfall
December is the month with the most rainfall. Rain falls for 8.2 days and accumulates 101mm (3.98") of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is December, when snow falls for 21.3 days and typically aggregates up to 301mm (11.85") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 06:49 and sunset at 16:06. On the last day of December, sunrise is at 07:09 and sunset at 16:14 JST.
Sunshine
The average sunshine in December is 1.8h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Suttsu, Japan
- Average high temperature in December: 0.7°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (-1.7°C).
- Average low temperature in December: -2.6°C
The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is February (-5.5°C).
Average pressure in December
Suttsu, Japan
- Average pressure in December: 1013.7mbar
The month with the highest atmospheric pressure is November (1016.5mbar).
The month with the lowest atmospheric pressure is July (1008.3mbar).
Average wind speed in December
Suttsu, Japan
- Average wind speed in December: 21.6km/h
The windiest month (with the highest average wind speed) is December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in December
Suttsu, Japan
- Average humidity in December: 80%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Suttsu, Japan
- Average rainfall in December: 101mm
The wettest month (with the highest rainfall) is December (101mm).
The driest month (with the least rainfall) is April (46mm).
Average rainfall days in December
Suttsu, Japan
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in December
Suttsu, Japan
- Average snowfall in December: 301mm
The month with the highest snowfall is December (301mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Suttsu, Japan
- Average snowfall days in December: 21.3 days
The month with the highest number of snowfall days is January (24 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
Suttsu, Japan
- Average daylight in December: 9h and 6min
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: 1h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in December
Suttsu, Japan
- Average sunshine days in December: 2.5 days
The month with the most sunshine days is May (15.2 days).
The month with the least sunshine days is December (2.5 days).
Average UV index in December
Suttsu, Japan
- Average UV index in December: 1
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Suttsu, Japan
- Average cloud cover in December: 81
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Suttsu, Japan
- Average visibility in December: 7km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January and December (7km).
