December weather forecastImamachi, Japan
December weather for Imamachi, Japan: The month with the most rainfall in Imamachi is December, when the rain falls for 18.9 days and typically aggregates up to 175mm (6.89") of precipitation. In Imamachi, Japan, in December, snow falls for 13.2 days, with typically accumulated 454mm (17.87") of snow.
December
Weather in December
December, the first month of the winter in Imamachi, is also a frosty month, with an average temperature fluctuating between 2°C (35.6°F) and 6.5°C (43.7°F).Temperature
Imamachi in December undergoes a mild reduction in the average high-temperature, shifting from November's fresh 12.5°C (54.5°F) to a frosty 6.5°C (43.7°F). Imamachi, in December, registers a nighttime average temperature of 2°C (35.6°F).Humidity
In December, the average relative humidity in Imamachi is 83%.Rainfall
December is the month with the most rainfall. Rain falls for 18.9 days and accumulates 175mm (6.89") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Imamachi, in December, snow falls for 13.2 days, with typically accumulated 454mm (17.87") of snow. Throughout the year, there are 63.7 snowfall days, and 2013mm (79.25") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 06:40 and sunset at 16:26. On the last day of December, sunrise is at 06:58 and sunset at 16:36 JST.
Sunshine
The average sunshine in December is 2.5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Imamachi, Japan
- Average high temperature in December: 6.5°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in December: 2°C
The month with the highest average low temperature is August (21.1°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).
Average pressure in December
Imamachi, Japan
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Imamachi, Japan
- Average wind speed in December: 13.6km/h
The windiest month (with the highest average wind speed) is January (13.7km/h).
The calmest month (with the lowest average wind speed) is July (7.2km/h).
Average humidity in December
Imamachi, Japan
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Imamachi, Japan
- Average rainfall in December: 175mm
The wettest month (with the highest rainfall) is December (175mm).
The driest month (with the least rainfall) is May (60mm).
Average rainfall days in December
Imamachi, Japan
- Average rainfall days in December: 18.9 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in December
Imamachi, Japan
- Average snowfall in December: 454mm
The month with the highest snowfall is January (787mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Imamachi, Japan
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is January (21.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Imamachi, Japan
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 2h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in December
Imamachi, Japan
- Average sunshine days in December: 4.8 days
The month with the most sunshine days is May (14.5 days).
The month with the least sunshine days is January (2.6 days).
Average UV index in December
Imamachi, Japan
- Average UV index in December: 1
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 1).
Average cloud cover in December
Imamachi, Japan
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Imamachi, Japan
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).
