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
With the onset of December, Yonezawa's average high-temperature adjusts, receding from November's cool 10.1°C (50.2°F) to a wintry 3.5°C (38.3°F). Yonezawa's temperature drops to an average low of -2.4°C (27.7°F) during the nights of December.Humidity
The average relative humidity in December in Yonezawa is 88%.Rainfall
In December, the rain falls for 9 days. Throughout December, 65mm (2.56") of precipitation is accumulated. In Yonezawa, Japan, during the entire year, the rain falls for 147.7 days and collects up to 805mm (31.69") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Yonezawa, in December, during 14.5 snowfall days, 304mm (11.97") of snow is typically accumulated. Throughout the year, in Yonezawa, there are 61.1 snowfall days, and 1012mm (39.84") of snow is accumulated.Daylight
The month with the shortest days in Yonezawa is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 06:36 and sunset at 16:20. On the last day of the month, sunrise is at 06:55 and sunset at 16:30 JST.
Sunshine
In December, the average sunshine in Yonezawa is 4.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Around midday, solar radiation is most harmful; hence, exposure should be limited. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Yonezawa in December?
What is the average humidity in December in Yonezawa?
How many days does it rain in December in Yonezawa?
How much does it snow in Yonezawa in December?
What is the month with the shortest days in Yonezawa?
What is the average length of the day in December in Yonezawa?
When are sunrise and sunset in December in Yonezawa?
How long on average sun shines in December in Yonezawa?
When is the lowest UV index in Yonezawa?
What is the UV index intensity in December in Yonezawa?
Average temperature in December
Yonezawa, Japan
- Average high temperature in December: 3.5°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 (-0.1°C).
- Average low temperature in December: -2.4°C
The month with the highest average low temperature is August (18.2°C).
The coldest month (with the lowest average low temperature) is February (-5.9°C).
Average pressure in December
Yonezawa, Japan
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Yonezawa, Japan
- Average wind speed in December: 11.4km/h
The windiest month (with the highest average wind speed) is January (12.1km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Yonezawa, Japan
- Average humidity in December: 88%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Yonezawa, Japan
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is July (137mm).
The driest month (with the least rainfall) is February (30mm).
Average rainfall days in December
Yonezawa, Japan
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in December
Yonezawa, Japan
- Average snowfall in December: 304mm
The month with the highest snowfall is January (317mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Yonezawa, Japan
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (19 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
Yonezawa, Japan
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Yonezawa, Japan
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in December
Yonezawa, 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 and December (UV index 1).
Average cloud cover in December
Yonezawa, Japan
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 39).
Average visibility in December
Yonezawa, Japan
- Average visibility in December: 7km
The month with the highest visibility is April (9km).
The month with the lowest visibility is January (6km).
Yonezawa, Japan
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