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
December involves a decrease in temperature, down from a moderate 14.1°C (57.4°F) in November to a chilly 8.4°C (47.1°F). December nights cool to an average low-temperature of 4.9°C (40.8°F), a marginal decrease from its daytime equivalent.Humidity
In December, the average relative humidity is 76%.Rainfall
In Komatsu, in December, during 23.4 rainfall days, 143mm (5.63") of precipitation is typically accumulated. Throughout the year, in Komatsu, there are 200.1 rainfall days, and 1307mm (51.46") of precipitation is accumulated.Snowfall
Months with snowfall in Komatsu are January through March and December. December is the first month it typically snows. Throughout December, in the average 5.8 snowfall days, it receives 111mm (4.37") of snow. In Komatsu, during the entire year, snow falls for 31.3 days and aggregates up to 523mm (20.59") of snow.Daylight
The month with the shortest days in Komatsu is December, with an average of 9h and 42min of daylight.On the first day of December in Komatsu, sunrise is at 06:47 and sunset at 16:39. On the last day of the month, sunrise is at 07:05 and sunset at 16:48 JST.
Sunshine
The average sunshine in December in Komatsu is 3.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Komatsu. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are December temperatures in Komatsu?
What is the average humidity in December in Komatsu?
How much does it rain in Komatsu in December?
When does it start to snow in Komatsu?
What is the month with the shortest days in Komatsu?
How many hours of daylight does Komatsu have in December?
What time are sunrise and sunset in December in Komatsu?
How many hours of sunshine does Komatsu have in December?
When is the lowest UV index in Komatsu?
What is the UV index intensity in December in Komatsu?
Average temperature in December
Komatsu, Japan
- Average high temperature in December: 8.4°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 4.9°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average pressure in December
Komatsu, Japan
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in December
Komatsu, Japan
- Average wind speed in December: 18.8km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is June (10.2km/h).
Average humidity in December
Komatsu, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Komatsu, Japan
- Average rainfall in December: 143mm
The wettest month (with the highest rainfall) is July (182mm).
The driest month (with the least rainfall) is May (63mm).
Average rainfall days in December
Komatsu, Japan
- Average rainfall days in December: 23.4 days
The month with the highest number of rainy days is December (23.4 days).
The month with the least rainy days is May (12.1 days).
Average snowfall in December
Komatsu, Japan
- Average snowfall in December: 111mm
The month with the highest snowfall is January (203mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Komatsu, Japan
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (12.3 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
Komatsu, Japan
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Komatsu, Japan
- Average sunshine days in December: 4.7 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (4.7 days).
Average UV index in December
Komatsu, 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
Komatsu, Japan
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Komatsu, Japan
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, August, September, October and November (10km).
The months with the lowest visibility are January, February, July and December (9km).
Komatsu, Japan
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