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 shows a mild decline in the average high-temperature, falling from November's cool 12.2°C (54°F) to a wintry 5.5°C (41.9°F). In Tsumago, December nights witness a steady temperature drop to a subzero cold -2.6°C (27.3°F).Humidity
The average relative humidity in December in Tsumago is 79%.Rainfall
In Tsumago, during December, the rain falls for 11.3 days and regularly aggregates up to 76mm (2.99") of precipitation. Throughout the year, there are 177.5 rainfall days, and 1473mm (57.99") of precipitation is accumulated.Snowfall
Months with snowfall in Tsumago are January through April, November and December. In December, it is snowing for 11.5 days. Throughout December, 144mm (5.67") of snow is accumulated. In Tsumago, Japan, during the entire year, snow falls for 41.9 days and aggregates up to 587mm (23.11") of snow.Daylight
December has the shortest days of the year in Tsumago, Japan, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 06:40 and sunset at 16:36. On the last day of the month, sunrise is at 06:58 and sunset at 16:46 JST.
Sunshine
The months with the least sunshine are February and December, with an average of 5.4h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
Is it cold in Tsumago during December?
What is the average humidity in December in Tsumago?
How much does it rain in Tsumago in December?
How many days does it snow in December in Tsumago?
What is the month with the shortest days in Tsumago?
What is the average length of the day in December in Tsumago?
When is the sunrise / sunset in December in Tsumago?
What is the month with the least sunshine in Tsumago?
How long on average sun shines in December in Tsumago?
What is the month with the lowest UV index in Tsumago?
What is the UV index intensity in December in Tsumago?
Average temperature in December
Tsumago, Japan
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in December: -2.6°C
The month with the highest average low temperature is August (18.1°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).
Average pressure in December
Tsumago, Japan
- Average pressure in December: 1018mbar
The month with the highest atmospheric pressure is November (1019mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Tsumago, Japan
- Average wind speed in December: 7.7km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in December
Tsumago, Japan
- Average humidity in December: 79%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is March (73%).
Average rainfall in December
Tsumago, Japan
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is July (265mm).
The driest month (with the least rainfall) is January (53mm).
Average rainfall days in December
Tsumago, Japan
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Tsumago, Japan
- Average snowfall in December: 144mm
The month with the highest snowfall is January (206mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Tsumago, Japan
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Tsumago, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Tsumago, Japan
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (5.2 days).
Average UV index in December
Tsumago, Japan
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Tsumago, Japan
- Average cloud cover in December: 45
The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is November (Cloud cover 35).
Average visibility in December
Tsumago, Japan
- Average visibility in December: 8km
The month with the highest visibility is March (9km).
The months with the lowest visibility are July and August (7km).
Tsumago, Japan
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