December weather forecastIetoshi, Japan
December
Weather in December
December, the first month of the winter in Ietoshi, is still a cool month, with an average temperature varying between 11.2°C (52.2°F) and 5.2°C (41.4°F).Temperature
With December's onset, the average high-temperature recedes from November's refreshing 16.8°C (62.2°F) to a fresh 11.2°C (52.2°F). Throughout December, the average low-temperature in Ietoshi, Japan, dips to a wintry 5.2°C (41.4°F).Humidity
The average relative humidity in December in Ietoshi is 73%.Rainfall
In Ietoshi, in December, it is raining for 8.3 days, with typically 39mm (1.54") of accumulated precipitation. In Ietoshi, during the entire year, the rain falls for 142.1 days and collects up to 860mm (33.86") of precipitation.Snowfall
Months with snowfall are January, February and December. The months with the most snowfall in Ietoshi, Japan, are January and December, with an average 2mm (0.08") of accumulated snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:52 and sunset at 16:58. On the last day of December, sunrise is at 07:10 and sunset at 17:08 JST.
Sunshine
The average sunshine in December in Ietoshi is 6.4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ietoshi, Japan
- Average high temperature in December: 11.2°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in December: 5.2°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in December
Ietoshi, Japan
- Average pressure in December: 1020.2mbar
The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in December
Ietoshi, Japan
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).
Average humidity in December
Ietoshi, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (70%).
Average rainfall in December
Ietoshi, Japan
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is July (153mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in December
Ietoshi, Japan
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Ietoshi, Japan
- Average snowfall in December: 2mm
The months with the highest snowfall are January and December (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Ietoshi, Japan
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Ietoshi, 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 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is October (Average sunshine: 6h and 6min).
Average sunshine days in December
Ietoshi, Japan
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Ietoshi, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Ietoshi, Japan
- Average cloud cover in December: 28
The month with the most cloud cover is June (Cloud cover 46).
The months with the least cloud cover are January, November and December (Cloud cover 28).
Average visibility in December
Ietoshi, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, October, November and December (10km).
The month with the lowest visibility is July (8km).
