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 transitions into December, Sugadaira sees a drop in the average high-temperature, transitioning from a fresh 10.2°C (50.4°F) to an icy 3.1°C (37.6°F). Sugadaira sees an average low-temperature of -4.3°C (24.3°F) during December.Humidity
In December, the average relative humidity is 81%.Rainfall
In Sugadaira, in December, during 18.7 rainfall days, 77mm (3.03") of precipitation is typically accumulated. Throughout the year, there are 224.3 rainfall days, and 1124mm (44.25") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Sugadaira, during December, snow falls for 13.3 days and regularly aggregates up to 247mm (9.72") of snow. In Sugadaira, during the entire year, snow falls for 62.8 days and aggregates up to 1054mm (41.5") of snow.Daylight
December has the shortest days of the year in Sugadaira, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 06:40 and sunset at 16:31. On the last day of December, sunrise is at 06:58 and sunset at 16:40 JST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 5.5h of sunshine.UV index
In December, the average daily maximum UV index in Sugadaira is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
How cold is it in Sugadaira in December?
What is the average humidity in December in Sugadaira?
How many days does it rain in December in Sugadaira?
How much does it snow in Sugadaira in December?
What is the month with the shortest days in Sugadaira?
What is the average length of the day in December in Sugadaira?
When is the sunrise / sunset in December in Sugadaira?
What is the month with the least sunshine in Sugadaira?
How many hours of sunshine does Sugadaira have in December?
How high is the UV index in December in Sugadaira?
Average temperature in December
Sugadaira, Japan
- Average high temperature in December: 3.1°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (0.1°C).
- Average low temperature in December: -4.3°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (-7.8°C).
Average pressure in December
Sugadaira, Japan
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Sugadaira, Japan
- Average wind speed in December: 7.7km/h
The windiest month (with the highest average wind speed) is March (8.5km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).
Average humidity in December
Sugadaira, Japan
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Sugadaira, Japan
- Average rainfall in December: 77mm
The wettest month (with the highest rainfall) is July (180mm).
The driest month (with the least rainfall) is November (58mm).
Average rainfall days in December
Sugadaira, Japan
- Average rainfall days in December: 18.7 days
The month with the highest number of rainy days is July (25.8 days).
The month with the least rainy days is February (13.6 days).
Average snowfall in December
Sugadaira, Japan
- Average snowfall in December: 247mm
The month with the highest snowfall is January (354mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Sugadaira, Japan
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is January (20.6 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
Sugadaira, 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: 5h and 3min
The months with the most sunshine are May and August (Average sunshine: 10h and 18min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Sugadaira, Japan
- Average sunshine days in December: 5.6 days
The month with the most sunshine days is October (11.5 days).
The month with the least sunshine days is July (3.4 days).
Average UV index in December
Sugadaira, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Sugadaira, Japan
- Average cloud cover in December: 44
The months with the most cloud cover are July and September (Cloud cover 48).
The month with the least cloud cover is May (Cloud cover 34).
Average visibility in December
Sugadaira, Japan
- Average visibility in December: 8km
The months with the highest visibility are April and May (9km).
The months with the lowest visibility are January, July, August and September (7km).
Sugadaira, Japan
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