December weather forecastMiyara, Japan
December
Weather in December
The first month of the winter, December, is still a pleasant month in Miyara, Japan, with an average temperature varying between 21.9°C (71.4°F) and 20.1°C (68.2°F).Temperature
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a moderately hot 24.9°C (76.8°F) in November to an agreeable 21.9°C (71.4°F). Miyara maintains a near steady average temperature of 20.1°C (68.2°F) during the nights of December, demonstrating little drop from daytime highs.Humidity
January and December, with an average relative humidity of 76%, are the least humid months.Rainfall
In Miyara, during December, the rain falls for 21.2 days and regularly aggregates up to 84mm (3.31") of precipitation. In Miyara, during the entire year, the rain falls for 228 days and collects up to 1184mm (46.61") of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 42min of daylight.On the first day of the month, sunrise is at 07:09 and sunset at 17:54. On the last day of December, in Miyara, sunrise is at 07:26 and sunset at 18:05 JST.
Sunshine
With an average of 4.1h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Miyara are January through March and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 5 transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Miyara, Japan
- Average high temperature in December: 21.9°C
The warmest months (with the highest average high temperature) are July and August (29.3°C).
The month with the lowest average high temperature is January (20.6°C).
- Average low temperature in December: 20.1°C
The month with the highest average low temperature is July (28.4°C).
The coldest month (with the lowest average low temperature) is January (18.7°C).
Average pressure in December
Miyara, Japan
- Average pressure in December: 1019.3mbar
The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is August (1005.6mbar).
Average wind speed in December
Miyara, Japan
- Average wind speed in December: 32.9km/h
The windiest month (with the highest average wind speed) is December (32.9km/h).
The calmest month (with the lowest average wind speed) is May (20.4km/h).
Average humidity in December
Miyara, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January and December (76%).
Average rainfall in December
Miyara, Japan
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is August (217mm).
The driest month (with the least rainfall) is March (50mm).
Average rainfall days in December
Miyara, Japan
- Average rainfall days in December: 21.2 days
The month with the highest number of rainy days is August (22.1 days).
The month with the least rainy days is April (16.7 days).
Average daylight in December /
Average sunshine in December
Miyara, Japan
- Average daylight in December: 10h and 42min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in December
Miyara, Japan
- Average sunshine days in December: 6.3 days
The month with the most sunshine days is June (11.8 days).
The month with the least sunshine days is November (6.2 days).
Average UV index in December
Miyara, Japan
- Average UV index in December: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 5).
Average cloud cover in December
Miyara, Japan
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Miyara, Japan
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





