December weather forecastIhara, Japan
December
Weather in December
The first month of the winter, December, is still a pleasant month in Ihara, Japan, with an average temperature varying between 20.6°C (69.1°F) and 18.8°C (65.8°F).Temperature
Ihara's December weather features a light decline in high-temperatures, reducing from a warm 23.9°C (75°F) in November to an agreeable 20.6°C (69.1°F). The nights of December in Ihara cool down to an average low of 18.8°C (65.8°F), subtly lower than daytime highs.Humidity
In December, the average relative humidity in Ihara is 73%.Rainfall
In Ihara, in December, it is raining for 21.2 days, with typically 81mm (3.19") of accumulated precipitation. Throughout the year, in Ihara, there are 227.4 rainfall days, and 1405mm (55.31") of precipitation is accumulated.Daylight
The month with the shortest days in Ihara, Japan, is December, with an average of 10h and 30min of daylight.On the first day of December in Ihara, sunrise is at 06:59 and sunset at 17:37. On the last day of the month, sunrise is at 07:16 and sunset at 17:48 JST.
Sunshine
The average sunshine in December in Ihara is 4.4h.UV index
With an average maximum UV index of 4, December is the month with the lowest UV index in Ihara. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 in December translates into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ihara, Japan
- Average high temperature in December: 20.6°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.9°C).
- Average low temperature in December: 18.8°C
The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (17°C).
Average pressure in December
Ihara, Japan
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in December
Ihara, Japan
- Average wind speed in December: 28.4km/h
The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is May (20.1km/h).
Average humidity in December
Ihara, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).
Average rainfall in December
Ihara, Japan
- Average rainfall in December: 81mm
The wettest month (with the highest rainfall) is June (201mm).
The driest month (with the least rainfall) is February (59mm).
Average rainfall days in December
Ihara, Japan
- Average rainfall days in December: 21.2 days
The month with the highest number of rainy days is June (21.5 days).
The month with the least rainy days is July (16.4 days).
Average daylight in December /
Average sunshine in December
Ihara, Japan
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Ihara, Japan
- Average sunshine days in December: 5.7 days
The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is December (5.7 days).
Average UV index in December
Ihara, Japan
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Ihara, Japan
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Ihara, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
