December weather forecastAgena, Japan
December
Weather in December
The first month of the winter, December, is also an agreeable month in Agena, Japan, with temperature in the range of an average high of 20.5°C (68.9°F) and an average low of 18.6°C (65.5°F).Temperature
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 23.9°C (75°F) in November to an agreeable 20.5°C (68.9°F). Agena indicates a consistently low-temperature of 18.6°C (65.5°F) during the nights of December.Humidity
The average relative humidity in December in Agena, Japan, is 73%.Rainfall
In Agena, in December, during 21 rainfall days, 82mm (3.23") of precipitation is typically accumulated. Throughout the year, there are 228.2 rainfall days, and 1424mm (56.06") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 30min of daylight.On the first day of the month, sunrise is at 06:59 and sunset at 17:35. On the last day of December, sunrise is at 07:16 and sunset at 17:47 JST.
Sunshine
In December, the average sunshine in Agena is 4.4h.UV index
The month with the lowest UV index in Agena is December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 4 during December translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Agena, Japan
- Average high temperature in December: 20.5°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (18.8°C).
- Average low temperature in December: 18.6°C
The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in December
Agena, Japan
- Average pressure in December: 1019.9mbar
The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in December
Agena, Japan
- Average wind speed in December: 27km/h
The windiest month (with the highest average wind speed) is December (27km/h).
The calmest month (with the lowest average wind speed) is May (19.2km/h).
Average humidity in December
Agena, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).
Average rainfall in December
Agena, Japan
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is June (205mm).
The driest month (with the least rainfall) is February (61mm).
Average rainfall days in December
Agena, Japan
- Average rainfall days in December: 21 days
The month with the highest number of rainy days is January (22.6 days).
The months with the least rainy days are March and November (16.5 days).
Average daylight in December /
Average sunshine in December
Agena, Japan
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 48min).
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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Agena, Japan
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is April (11 days).
The month with the least sunshine days is January (5.4 days).
Average UV index in December
Agena, 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
Agena, Japan
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Agena, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
