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
As November transitions into December, Yamoto sees a drop in the average high-temperature, transitioning from a fresh 12.9°C (55.2°F) to a chilly 7.5°C (45.5°F). In December, Yamoto temperatures settle at a low of 3.1°C (37.6°F) during the nights, reflecting a minor change from daytime highs.Humidity
In December, the average relative humidity in Yamoto is 73%.Rainfall
In December, in Yamoto, the rain falls for 9.5 days. Throughout December, 36mm (1.42") of precipitation is accumulated. In Yamoto, Japan, during the entire year, the rain falls for 151.7 days and collects up to 846mm (33.31") of precipitation.Snowfall
January through March and December are months with snowfall in Yamoto. December is the first month it typically snows. Throughout December, in the average 2.1 snowfall days, it receives 13mm (0.51") of snow. In Yamoto, Japan, during the entire year, snow falls for 17.6 days and aggregates up to 166mm (6.54") of snow.Daylight
The month with the shortest days in Yamoto is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 06:33 and sunset at 16:14. On the last day of December, in Yamoto, Japan, sunrise is at 06:52 and sunset at 16:24 JST.
Sunshine
In Yamoto, Japan, the average sunshine in December is 5.2h.UV index
January through March, November 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 threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Yamoto?
What is the average humidity in December in Yamoto?
How many days does it rain in December in Yamoto?
When does it start snowing in Yamoto?
What is the month with the shortest days in Yamoto?
How many hours of daylight does Yamoto have in December?
When are sunrise and sunset in December in Yamoto?
How long on average sun shines in December in Yamoto?
When is the lowest UV index in Yamoto?
What is the UV index intensity in December in Yamoto?
Average temperature in December
Yamoto, Japan
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in December: 3.1°C
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in December
Yamoto, Japan
- Average pressure in December: 1015.9mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The months with the lowest atmospheric pressure are June and July (1009.4mbar).
Average wind speed in December
Yamoto, Japan
- Average wind speed in December: 20.7km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity in December
Yamoto, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Yamoto, Japan
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is October (122mm).
The driest month (with the least rainfall) is February (29mm).
Average rainfall days in December
Yamoto, Japan
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are January and February (6.6 days).
Average snowfall in December
Yamoto, Japan
- Average snowfall in December: 13mm
The month with the highest snowfall is February (57mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Yamoto, Japan
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (6.2 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
Yamoto, 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 1min
The month with the most sunshine is May (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Yamoto, Japan
- Average sunshine days in December: 18 days
The month with the most sunshine days is January (19.1 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in December
Yamoto, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Yamoto, Japan
- Average cloud cover in December: 45
The month with the most cloud cover is July (Cloud cover 50).
The months with the least cloud cover are May and November (Cloud cover 38).
Average visibility in December
Yamoto, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, September, October, November and December (10km).
The months with the lowest visibility are May, June, July and August (9km).
