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 fresh 12.5°C (54.5°F) to a frosty 6.4°C (43.5°F). Nagamachi's nighttime temperature in December shows a minor descent, with a steady average of 1.5°C (34.7°F).Humidity
The average relative humidity in December in Nagamachi, Japan, is 76%.Rainfall
In Nagamachi, in December, during 9.5 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, there are 153.4 rainfall days, and 741mm (29.17") of precipitation is accumulated.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 4.3 snowfall days, it receives 22mm (0.87") of snow. Throughout the year, in Nagamachi, there are 27.1 snowfall days, and 195mm (7.68") of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:34 and sunset at 16:16. On the last day of December, sunrise is at 06:52 and sunset at 16:26 JST.
Sunshine
In Nagamachi, the average sunshine in December is 5.5h.UV index
The months with the lowest UV index in Nagamachi are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, an average UV index of 2 transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
Is December cold in Nagamachi?
What is the average humidity in December in Nagamachi?
How many days does it rain in December in Nagamachi?
When does it start snowing in Nagamachi?
What is the month with the shortest days in Nagamachi?
What is the average length of the day in December in Nagamachi?
When are sunrise and sunset in December in Nagamachi?
How many hours of sunshine does Nagamachi have in December?
What are the months with the lowest UV index in Nagamachi?
What is the UV index intensity in December in Nagamachi?
Average temperature in December
Nagamachi, Japan
- Average high temperature in December: 6.4°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 (3.3°C).
- Average low temperature in December: 1.5°C
The month with the highest average low temperature is August (21.4°C).
The coldest months (with the lowest average low temperature) are January and February (-1.7°C).
Average pressure in December
Nagamachi, Japan
- Average pressure in December: 1016.2mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in December
Nagamachi, Japan
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is January (14.4km/h).
The calmest month (with the lowest average wind speed) is July (8.1km/h).
Average humidity in December
Nagamachi, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Nagamachi, Japan
- Average rainfall in December: 27mm
The wettest months (with the highest rainfall) are July and October (111mm).
The driest month (with the least rainfall) is February (22mm).
Average rainfall days in December
Nagamachi, Japan
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in December
Nagamachi, Japan
- Average snowfall in December: 22mm
The month with the highest snowfall is February (63mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Nagamachi, Japan
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Nagamachi, Japan
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Nagamachi, Japan
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in December
Nagamachi, 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
Nagamachi, Japan
- Average cloud cover in December: 43
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is May (Cloud cover 36).
Average visibility in December
Nagamachi, Japan
- Average visibility in December: 10km
The months with the highest visibility are October, November and December (10km).
The month with the lowest visibility is July (8km).
Nagamachi, Japan
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