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
The transition into December involves a decrease in the average high-temperature, falling from a frosty 8.7°C (47.7°F) in November to a cold 2.8°C (37°F). Wakamatsucho marks an average drop to a freezing cold -0.6°C (30.9°F) during nighttime in December, following the high of the day.Humidity
The average relative humidity in December in Wakamatsucho is 75%.Rainfall
In Wakamatsucho, in December, it is raining for 7.5 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, there are 112.7 rainfall days, and 203mm (7.99") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Wakamatsucho. In Wakamatsucho, in December, snow falls for 11.9 days, with typically accumulated 31mm (1.22") of snow. Throughout the year, in Wakamatsucho, there are 57.1 snowfall days, and 179mm (7.05") of snow is accumulated.Daylight
December has the shortest days of the year in Wakamatsucho, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 06:44 and sunset at 16:07. On the last day of December, in Wakamatsucho, sunrise is at 07:04 and sunset at 16:16 JST.
Sunshine
The average sunshine in December in Wakamatsucho is 3.2h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To protect against the Sun's most potent rays, avoid direct exposure around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Wakamatsucho in December?
What is the average humidity in December in Wakamatsucho?
How much does it rain in Wakamatsucho in December?
How much does it snow in Wakamatsucho in December?
What is the month with the shortest days in Wakamatsucho?
What is the average length of the day in December in Wakamatsucho?
When are sunrise and sunset in December in Wakamatsucho?
How long on average sun shines in December in Wakamatsucho?
What is the month with the lowest UV index in Wakamatsucho?
What is the UV index reading in December in Wakamatsucho?
Average temperature in December
Wakamatsucho, Japan
- Average high temperature in December: 2.8°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in December: -0.6°C
The month with the highest average low temperature is August (19.6°C).
The coldest month (with the lowest average low temperature) is February (-3.5°C).
Average pressure in December
Wakamatsucho, Japan
- Average pressure in December: 1014.1mbar
The month with the highest atmospheric pressure is November (1017mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Wakamatsucho, Japan
- Average wind speed in December: 24.3km/h
The windiest month (with the highest average wind speed) is December (24.3km/h).
The calmest month (with the lowest average wind speed) is July (12.2km/h).
Average humidity in December
Wakamatsucho, Japan
- Average humidity in December: 75%
The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Wakamatsucho, Japan
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is August (25mm).
The driest month (with the least rainfall) is May (12mm).
Average rainfall days in December
Wakamatsucho, Japan
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Wakamatsucho, Japan
- Average snowfall in December: 31mm
The month with the highest snowfall is February (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Wakamatsucho, Japan
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is January (15.3 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
Wakamatsucho, Japan
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in December
Wakamatsucho, Japan
- Average sunshine days in December: 11 days
The months with the most sunshine days are May and October (17.3 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Wakamatsucho, Japan
- Average UV index in December: 1
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Wakamatsucho, Japan
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are September and October (Cloud cover 38).
Average visibility in December
Wakamatsucho, Japan
- Average visibility in December: 9km
The months with the highest visibility are September and October (10km).
The month with the lowest visibility is July (8km).
Wakamatsucho, Japan
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