December weather forecastAkishima, Japan
December
Weather in December
December, the first month of the winter in Akishima, is still a cool month, with an average temperature fluctuating between 4.4°C (39.9°F) and 10.5°C (50.9°F).Temperature
December shows a mild decline in the average high-temperature, falling from November's mild 15.6°C (60.1°F) to a cool 10.5°C (50.9°F). Akishima experiences a consistent average temperature of 4.4°C (39.9°F) throughout the nights in December.Humidity
In Akishima, the average relative humidity in December is 63%.Rainfall
December is the month with the least rainfall. Rain falls for 8.8 days and accumulates 35mm (1.38") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Akishima, during December, snow falls for 0.5 days and regularly aggregates up to 1mm (0.04") of snow. In Akishima, during the entire year, snow falls for 8 days and aggregates up to 104mm (4.09") of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 06:33 and sunset at 16:29. On the last day of the month, sunrise is at 06:52 and sunset at 16:39 JST.
Sunshine
In December, the average sunshine in Akishima is 6.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Akishima, Japan
- Average high temperature in December: 10.5°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 (8.1°C).
- Average low temperature in December: 4.4°C
The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Akishima, Japan
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Akishima, Japan
- Average wind speed in December: 10.3km/h
The windiest month (with the highest average wind speed) is April (12.2km/h).
The calmest month (with the lowest average wind speed) is November (9.6km/h).
Average humidity in December
Akishima, Japan
- Average humidity in December: 63%
The months with the highest relative humidity are June and July (76%).
The month with the lowest relative humidity is January (60%).
Average rainfall in December
Akishima, Japan
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is October (131mm).
The driest month (with the least rainfall) is December (35mm).
Average rainfall days in December
Akishima, Japan
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is January (8 days).
Average snowfall in December
Akishima, Japan
- Average snowfall in December: 1mm
The month with the highest snowfall is February (66mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Akishima, Japan
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Akishima, Japan
- Average daylight in December: 9h and 48min
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 30min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in December
Akishima, Japan
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (6.4 days).
Average UV index in December
Akishima, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Akishima, Japan
- Average cloud cover in December: 27
The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in December
Akishima, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, May, November and December (10km).
The months with the lowest visibility are April, June, July, August, September and October (9km).
