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 sea temperature 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
December's onset brings a slight change in high-temperatures, falling from a moderate 13°C (55.4°F) in November to a frosty 6.9°C (44.4°F). During December, Matsushima's nights hold steady with an average temperature of 2.2°C (36°F), barely dropping from the daytime highs.Humidity
In December, the average relative humidity in Matsushima is 74%.Rainfall
In Matsushima, Japan, in December, it is raining for 10.1 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, in Matsushima, Japan, there are 133.1 rainfall days, and 706mm (27.8") of precipitation is accumulated.Snowfall
January through April and December are months with snowfall in Matsushima. December is the first month it typically snows in Matsushima. Throughout December, in the average 5.2 snowfall days, it receives 28mm (1.1") of snow. In Matsushima, during the entire year, snow falls for 24.2 days and aggregates up to 190mm (7.48") of snow.Sea temperature
In Matsushima, the average seawater temperature in December is 12.7°C (54.9°F).Note: Beware when you're in 12.7°C (54.9°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 06:33 and sunset at 16:15. On the last day of the month, sunrise is at 06:52 and sunset at 16:24 JST.
Sunshine
In Matsushima, the average sunshine in December is 5.6h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Matsushima in December?
What is the average humidity in December in Matsushima?
How much does it rain in Matsushima in December?
When does it start to snow in Matsushima?
How cold is the water in December in Matsushima?
What is the month with the shortest days in Matsushima?
What is the average length of the day in December in Matsushima?
When is the sunrise / sunset in December in Matsushima?
How long on average sun shines in December in Matsushima?
When is the lowest UV index in Matsushima?
What is the UV index reading in December in Matsushima?
Average temperature in December
Matsushima, 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
Matsushima, 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
Matsushima, 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
Matsushima, 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
Matsushima, 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
Matsushima, 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
Matsushima, 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
Matsushima, 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 sea temperature in December
Matsushima, Japan
- Average sea temperature in December: 12.7°C
The best month for swimming (with the highest average sea temperature) is August (23.6°C).
The coldest month (with the lowest average sea temperature) is March (6.9°C).
Average daylight in December /
Average sunshine in December
Matsushima, Japan
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 5h and 4min
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
Matsushima, 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
Matsushima, 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
Matsushima, 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
Matsushima, 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).
Matsushima, Japan
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