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 arrival of December corresponds with a temperature reduction, down from November's refreshing 13°C (55.4°F) to a chilly 6.9°C (44.4°F). The December nights in Shimizusawa show a slight decrease to a mean low-temperature of 2.2°C (36°F).Humidity
The average relative humidity in December in Shimizusawa is 74%.Rainfall
In Shimizusawa, Japan, in December, it is raining for 10.1 days, with typically 32mm (1.26") of accumulated precipitation. In Shimizusawa, during the entire year, the rain falls for 134.2 days and collects up to 724mm (28.5") of precipitation.Snowfall
January through April and December are months with snowfall in Shimizusawa. December is the first month it typically snows in Shimizusawa. Throughout December, in the average 5.2 snowfall days, it receives 28mm (1.1") of snow. Throughout the year, there are 24.2 snowfall days, and 190mm (7.48") of snow is accumulated.Daylight
December has the shortest days of the year in Shimizusawa, with an average of 9h and 36min of daylight.On the first day of December in Shimizusawa, sunrise is at 06:34 and sunset at 16:16. On the last day of the month, sunrise is at 06:52 and sunset at 16:25 JST.
Sunshine
In December, the average sunshine in Shimizusawa is 5.4h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
Is it cold in Shimizusawa during December?
What is the average humidity in December in Shimizusawa?
How much does it rain in Shimizusawa in December?
When does it start snowing in Shimizusawa?
What is the month with the shortest days in Shimizusawa?
How many hours of daylight does Shimizusawa have in December?
When is the sunrise / sunset in December in Shimizusawa?
How many hours of sunshine does Shimizusawa have in December?
When is the lowest UV index in Shimizusawa?
How high is the UV index in December in Shimizusawa?
Average temperature in December
Shimizusawa, Japan
- Average high temperature in December: 6.9°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (-1°C).
Average pressure in December
Shimizusawa, Japan
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in December
Shimizusawa, Japan
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).
Average humidity in December
Shimizusawa, Japan
- Average humidity in December: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Shimizusawa, Japan
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in December
Shimizusawa, Japan
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Shimizusawa, Japan
- Average snowfall in December: 28mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Shimizusawa, Japan
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (7.8 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
Shimizusawa, 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 2min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in December
Shimizusawa, Japan
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is May (21.3 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in December
Shimizusawa, 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 and December (UV index 2).
Average cloud cover in December
Shimizusawa, Japan
- Average cloud cover in December: 42
The month with the most cloud cover is July (Cloud cover 48).
The months with the least cloud cover are May and November (Cloud cover 36).
Average visibility in December
Shimizusawa, Japan
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, October, November and December (10km).
The months with the lowest visibility are January, May, June, July, August and September (9km).
Shimizusawa, Japan
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