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 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
The average high-temperature shows a slight dip in December, from November's enjoyable 18.1°C (64.6°F) to a still refreshing 13.4°C (56.1°F). During the nights of December, the average low-temperature holds at a chilly 9.7°C (49.5°F).Humidity
The average relative humidity in December in Koza is 68%.Rainfall
The month with the least rainfall in Koza is December, when the rain falls for 8.8 days and typically collects 37mm (1.46") of precipitation.Snowfall
In Koza, Japan, snow does not fall in March through December.Daylight
The month with the shortest days in Koza, Japan, is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 06:42 and sunset at 16:48. On the last day of December, in Koza, sunrise is at 07:00 and sunset at 16:58 JST.
Sunshine
In Koza, the average sunshine in December is 6.3h.UV index
The months with the lowest UV index in Koza are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Koza in December?
What is the average humidity in December in Koza?
What is the driest month in Koza?
How many days does it rain in December in Koza?
When it does not snow in Koza?
Does it snow in Koza in December?
What is the month with the shortest days in Koza?
How many hours of daylight does Koza have in December?
What time are sunrise and sunset in December in Koza?
How long on average sun shines in December in Koza?
What is the month with the lowest UV index in Koza?
What is the UV index intensity in December in Koza?
Average temperature in December
Koza, Japan
- Average high temperature in December: 13.4°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 (11°C).
- Average low temperature in December: 9.7°C
The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).
Average pressure in December
Koza, Japan
- Average pressure in December: 1018.8mbar
The month with the highest atmospheric pressure is January (1019mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in December
Koza, Japan
- Average wind speed in December: 21.5km/h
The windiest month (with the highest average wind speed) is January (22.6km/h).
The calmest months (with the lowest average wind speed) are July and August (15.9km/h).
Average humidity in December
Koza, Japan
- Average humidity in December: 68%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is January (66%).
Average rainfall in December
Koza, Japan
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is September (144mm).
The driest month (with the least rainfall) is December (37mm).
Average rainfall days in December
Koza, Japan
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (8.4 days).
Average snowfall days in December
Koza, Japan
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Koza, Japan
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in December
Koza, Japan
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is September (9.9 days).
Average UV index in December
Koza, Japan
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Koza, Japan
- Average cloud cover in December: 28
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in December
Koza, 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).
