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 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
December indicates a shift in the average high-temperature, from November's refreshing 16.4°C (61.5°F) to a cool 11.1°C (52°F). December's average low-temperature reading in Irifune settles at a wintry 5.6°C (42.1°F).Humidity
The average relative humidity in December in Irifune is 64%.Rainfall
The months with the least rainfall in Irifune are January and December Rain falls for 10.2 days and accumulates 40mm (1.57") of rain.Snowfall
March through December are months without snowfall in Irifune.Daylight
The month with the shortest days in Irifune, Japan, is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:32 and sunset at 16:27. On the last day of December, in Irifune, sunrise is at 06:50 and sunset at 16:37 JST.
Sunshine
In December, the average sunshine in Irifune is 6h.UV index
In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 during December leads to these advisories:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Irifune in December?
What is the average humidity in December in Irifune?
What is the driest month in Irifune?
How much does it rain in Irifune in December?
When it does not snow in Irifune?
Does it snow in Irifune in December?
What is the month with the shortest days in Irifune?
What is the average length of the day in December in Irifune?
When are sunrise and sunset in December in Irifune?
How many hours of sunshine does Irifune have in December?
What is the UV index intensity in December in Irifune?
Average temperature in December
Irifune, Japan
- Average high temperature in December: 11.1°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 5.6°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in December
Irifune, Japan
- Average pressure in December: 1016.2mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Irifune, Japan
- Average wind speed in December: 13.1km/h
The windiest month (with the highest average wind speed) is April (15.1km/h).
The calmest month (with the lowest average wind speed) is November (11.8km/h).
Average humidity in December
Irifune, Japan
- Average humidity in December: 64%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (61%).
Average rainfall in December
Irifune, Japan
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is October (129mm).
The driest months (with the least rainfall) are January and December (40mm).
Average rainfall days in December
Irifune, Japan
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Irifune, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Irifune, Japan
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (2.8 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
Irifune, Japan
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in December
Irifune, Japan
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is September (10 days).
Average UV index in December
Irifune, Japan
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Irifune, Japan
- Average cloud cover in December: 31
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in December
Irifune, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, August, November and December (10km).
The months with the lowest visibility are June, July, September and October (9km).
