December weather forecastMiki, Japan
December
Weather in December
December, the first month of the winter in Miki, is still a chilly month, with an average temperature fluctuating between 4.7°C (40.5°F) and 9.7°C (49.5°F).Temperature
The onset of December comes with a shift in the average high-temperature, falling from a refreshing 15.6°C (60.1°F) in November to a frosty 9.7°C (49.5°F). Consistently, Miki reports average nighttime temperatures of 4.7°C (40.5°F) during December, a marginal step down from its daytime highs.Humidity
In Miki, the average relative humidity in December is 75%.Rainfall
In Miki, in December, during 16.5 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Miki, during the entire year, the rain falls for 175.8 days and collects up to 660mm (25.98") of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Miki. Throughout December, in the average 4 snowfall days, it receives 22mm (0.87") of snow. In Miki, Japan, during the entire year, snow falls for 21.4 days and aggregates up to 125mm (4.92") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 06:49 and sunset at 16:49. On the last day of the month, sunrise is at 07:07 and sunset at 16:58 JST.
Sunshine
In December, the average sunshine is 5.1h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Miki, Japan
- Average high temperature in December: 9.7°C
The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in December: 4.7°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in December
Miki, Japan
- Average pressure in December: 1019.6mbar
The month with the highest atmospheric pressure is February (1020mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed in December
Miki, Japan
- Average wind speed in December: 12.8km/h
The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is June (9.1km/h).
Average humidity in December
Miki, Japan
- Average humidity in December: 75%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are March and April (72%).
Average rainfall in December
Miki, Japan
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is July (121mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in December
Miki, Japan
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is May (11.2 days).
Average snowfall in December
Miki, Japan
- Average snowfall in December: 22mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Miki, Japan
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Miki, Japan
- Average daylight in December: 9h and 54min
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 54min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Miki, Japan
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is May (17.9 days).
The month with the least sunshine days is December (7.6 days).
Average UV index in December
Miki, 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 and December (UV index 2).
Average cloud cover in December
Miki, Japan
- Average cloud cover in December: 44
The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Miki, Japan
- Average visibility in December: 10km
The months with the highest visibility are February, March, September, October, November and December (10km).
The months with the lowest visibility are January, April, May, June, July and August (9km).





