December weather forecastNishitazawa, Japan
December
Weather in December
December, the first month of the winter in Nishitazawa, is also a wintry month, with an average temperature fluctuating between 2.7°C (36.9°F) and -1.1°C (30°F).Temperature
With December's arrival, Nishitazawa sees a decrease in average high-temperatures, moving from a chilly 9.2°C (48.6°F) in November to an icy 2.7°C (36.9°F). December nights in Nishitazawa document an average temperature reading of -1.1°C (30°F).Humidity
In December, the average relative humidity in Nishitazawa is 81%.Rainfall
In Nishitazawa, in December, during 6.4 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 121.9 rainfall days, and 404mm (15.91") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Nishitazawa, in December, snow falls for 11.3 days, with typically accumulated 127mm (5") of snow. In Nishitazawa, during the entire year, snow falls for 59.1 days and aggregates up to 518mm (20.39") of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 06:42 and sunset at 16:10. On the last day of December, sunrise is at 07:01 and sunset at 16:19 JST.
Sunshine
In December, the average sunshine is 2.6h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 1 transforms into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nishitazawa, Japan
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is February (-4.4°C).
Average pressure in December
Nishitazawa, Japan
- Average pressure in December: 1014.6mbar
The month with the highest atmospheric pressure is November (1017.4mbar).
The month with the lowest atmospheric pressure is July (1008.9mbar).
Average wind speed in December
Nishitazawa, Japan
- Average wind speed in December: 19.9km/h
The windiest month (with the highest average wind speed) is December (19.9km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in December
Nishitazawa, Japan
- Average humidity in December: 81%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Nishitazawa, Japan
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is July (58mm).
The driest months (with the least rainfall) are March, April and November (25mm).
Average rainfall days in December
Nishitazawa, Japan
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Nishitazawa, Japan
- Average snowfall in December: 127mm
The month with the highest snowfall is January (141mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Nishitazawa, Japan
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (16.4 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
Nishitazawa, Japan
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 2h and 36min
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 54min).
Average sunshine days in December
Nishitazawa, Japan
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is May (18.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in December
Nishitazawa, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Nishitazawa, Japan
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Nishitazawa, Japan
- Average visibility in December: 9km
The month with the highest visibility is October (10km).
The month with the lowest visibility is July (8km).
