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
Onset of December comes with a temperature decline, the average high falling from a moderate 14.5°C (58.1°F) in November to a chilly 8.5°C (47.3°F). The nighttime temperature in Moriyama, during December, averages of 2.3°C (36.1°F).Humidity
January, July, October and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Moriyama, in December, it is raining for 15 days, with typically 38mm (1.5") of accumulated precipitation. In Moriyama, Japan, during the entire year, the rain falls for 164.8 days and collects up to 721mm (28.39") of precipitation.Snowfall
January through April and December are months with snowfall in Moriyama, Japan. December is the first month it typically snows. Throughout December, in the average 5 snowfall days, it receives 37mm (1.46") of snow. In Moriyama, during the entire year, snow falls for 26.8 days and aggregates up to 209mm (8.23") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 06:45 and sunset at 16:44. On the last day of the month, sunrise is at 07:03 and sunset at 16:54 JST.
Sunshine
In December, the average sunshine is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the temperature in December in Moriyama?
What is the most humid month in Moriyama?
What is the average humidity in December in Moriyama?
How much does it rain in Moriyama in December?
When does it start snowing in Moriyama?
What is the month with the shortest days in Moriyama?
How many hours of daylight does Moriyama have in December?
When are sunrise and sunset in December in Moriyama?
How many hours of sunshine does Moriyama have in December?
What is the month with the lowest UV index in Moriyama?
How high is the UV index in December in Moriyama?
Average temperature in December
Moriyama, Japan
- Average high temperature in December: 8.5°C
The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in December
Moriyama, Japan
- Average pressure in December: 1019mbar
The month with the highest atmospheric pressure is February (1019.6mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).
Average wind speed in December
Moriyama, Japan
- Average wind speed in December: 8.3km/h
The windiest months (with the highest average wind speed) are January and December (8.3km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).
Average humidity in December
Moriyama, Japan
- Average humidity in December: 81%
The months with the highest relative humidity are January, July, October and December (81%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Moriyama, Japan
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is July (142mm).
The driest month (with the least rainfall) is November (26mm).
Average rainfall days in December
Moriyama, Japan
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is May (11.8 days).
Average snowfall in December
Moriyama, Japan
- Average snowfall in December: 37mm
The month with the highest snowfall is January (101mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Moriyama, Japan
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (11.8 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
Moriyama, 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: 4h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Moriyama, Japan
- Average sunshine days in December: 10 days
The month with the most sunshine days is May (17.4 days).
The month with the least sunshine days is January (7.9 days).
Average UV index in December
Moriyama, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Moriyama, Japan
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in December
Moriyama, Japan
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, August and December (8km).
The months with the lowest visibility are June, July, September, October and November (7km).
Moriyama, Japan
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