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
December
Weather in December
Temperature
December weather is marked by a drop in the average high-temperature, falling from a comfortable 16.5°C (61.7°F) in November to a fresh 11.2°C (52.2°F). In Shiohama, the expected average low-temperature for December is an icy 5.9°C (42.6°F).Humidity
In December, the average relative humidity in Shiohama is 63%.Rainfall
In Shiohama, during December, the rain falls for 5.9 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, in Shiohama, there are 125.3 rainfall days, and 359mm (14.13") of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Shiohama.On the first day of the month, sunrise is at 06:32 and sunset at 16:27. On the last day of December, sunrise is at 06:50 and sunset at 16:37 JST.
Sunshine
In December, the average sunshine in Shiohama is 6.2h.UV index
The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Shiohama?
What is the average humidity in December in Shiohama?
How much does it rain in Shiohama in December?
When it does not snow in Shiohama?
Does it snow in Shiohama in December?
What is the month with the shortest days in Shiohama?
What is the average length of the day in December in Shiohama?
What time are sunrise and sunset in December in Shiohama?
How long on average sun shines in December in Shiohama?
What is the UV index intensity in December in Shiohama?
Average temperature in December
Shiohama, Japan
- Average high temperature in December: 11.2°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 5.9°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure in December
Shiohama, Japan
- Average pressure in December: 1016.2mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Shiohama, Japan
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is April (15.6km/h).
The calmest month (with the lowest average wind speed) is November (12.3km/h).
Average humidity in December
Shiohama, Japan
- Average humidity in December: 63%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).
Average rainfall in December
Shiohama, Japan
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is September (54mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in December
Shiohama, Japan
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Shiohama, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Shiohama, Japan
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Shiohama, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in December
Shiohama, Japan
- Average sunshine days in December: 24.3 days
The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Shiohama, Japan
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Shiohama, Japan
- Average cloud cover in December: 30
The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility in December
Shiohama, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
