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
As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a chilly 6.9°C (44.4°F) to an icy 0.7°C (33.3°F). Suttsu notes an average temperature descent to a subzero cold -2.6°C (27.3°F) in December, a small shift from its daytime peak.Humidity
In December, the average relative humidity in Suttsu is 80%.Rainfall
The month with the most rainfall in Suttsu is December, when the rain falls for 8.2 days and typically aggregates up to 101mm (3.98") of precipitation.Snowfall
January through April, October through December are months with snowfall in Suttsu. December is the month with the most snowfall in Suttsu. Snow falls for 21.3 days and accumulates 301mm (11.85") of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Suttsu.On the first day of December, sunrise is at 06:49 and sunset at 16:06. On the last day of the month, sunrise is at 07:09 and sunset at 16:14 JST.
Sunshine
In Suttsu, the average sunshine in December is 1.8h.UV index
The months with the lowest UV index in Suttsu are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Suttsu?
What is the average humidity in December in Suttsu?
What is the rainiest month in Suttsu?
How much does it rain in Suttsu in December?
When does it snow the most in Suttsu?
How much does it snow in Suttsu in December?
What is the month with the shortest days in Suttsu?
How many hours of daylight does Suttsu have in December?
When are sunrise and sunset in December in Suttsu?
How long on average sun shines in December in Suttsu?
What are the months with the lowest UV index in Suttsu?
What is the UV index intensity in December in Suttsu?
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 1min
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 5min
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).
Suttsu, Japan
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