December weather forecastIzu, Japan
December
Weather in December
December, the first month of the winter in Izu, is also a fresh month, with an average temperature fluctuating between 7.3°C (45.1°F) and 11.4°C (52.5°F).Temperature
With the arrival of December, Izu notices a mild change in the average high-temperature, sliding from November's comfortable 16.4°C (61.5°F) to a cool 11.4°C (52.5°F). Izu's December nights experience a subtle temperature dip to an average of 7.3°C (45.1°F).Humidity
In Izu, the average relative humidity in December is 69%.Rainfall
In Izu, in December, it is raining for 11.8 days, with typically 67mm (2.64") of accumulated precipitation. In Izu, during the entire year, the rain falls for 179.9 days and collects up to 1350mm (53.15") of precipitation.Snowfall
March through December are months without snowfall in Izu.Daylight
The month with the shortest days in Izu is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:33 and sunset at 16:32. On the last day of December, sunrise is at 06:51 and sunset at 16:42 JST.
Sunshine
In December, the average sunshine in Izu is 6.1h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Izu. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, an average UV index of 3 transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Izu, Japan
- Average high temperature in December: 11.4°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 7.3°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 (4.3°C).
Average pressure in December
Izu, Japan
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in December
Izu, Japan
- Average wind speed in December: 17.7km/h
The windiest month (with the highest average wind speed) is March (18.1km/h).
The calmest month (with the lowest average wind speed) is August (13.6km/h).
Average humidity in December
Izu, Japan
- Average humidity in December: 69%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is January (66%).
Average rainfall in December
Izu, Japan
- Average rainfall in December: 67mm
The wettest month (with the highest rainfall) is October (167mm).
The driest month (with the least rainfall) is August (51mm).
Average rainfall days in December
Izu, Japan
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Izu, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Izu, Japan
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (2 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
Izu, 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: 6h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Izu, Japan
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is January (17 days).
The month with the least sunshine days is October (9.4 days).
Average UV index in December
Izu, Japan
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Izu, Japan
- Average cloud cover in December: 31
The month with the most cloud cover is June (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in December
Izu, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).





