December weather forecastIkebukuro, Japan
December
Weather in December
The first month of the winter, December, is still a cool month in Ikebukuro, Japan, with temperature in the range of an average high of 10.8°C (51.4°F) and an average low of 5.2°C (41.4°F).Temperature
The onset of December introduces a moderate change in Ikebukuro's weather, with average high-temperatures falling from November's refreshing 16.2°C (61.2°F) to a cool 10.8°C (51.4°F). An average low-temperature of 5.2°C (41.4°F) marks the nights throughout December.Humidity
In December, the average relative humidity in Ikebukuro is 63%.Rainfall
The months with the least rainfall are January and December Rain falls for 9.9 days and accumulates 40mm (1.57") of rain.Snowfall
April through December are months without snowfall.Daylight
The month with the shortest days in Ikebukuro, 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 Ikebukuro, sunrise is at 06:50 and sunset at 16:37 JST.
Sunshine
In December, the average sunshine in Ikebukuro is 6.2h.UV index
In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 3 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ikebukuro, Japan
- Average high temperature in December: 10.8°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in December: 5.2°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 (2.4°C).
Average pressure in December
Ikebukuro, Japan
- Average pressure in December: 1016.3mbar
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
Ikebukuro, Japan
- Average wind speed in December: 12.2km/h
The windiest month (with the highest average wind speed) is April (14.2km/h).
The calmest month (with the lowest average wind speed) is November (11km/h).
Average humidity in December
Ikebukuro, Japan
- Average humidity in December: 63%
The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (60%).
Average rainfall in December
Ikebukuro, 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
Ikebukuro, Japan
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Ikebukuro, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Ikebukuro, Japan
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (3 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
Ikebukuro, 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Ikebukuro, Japan
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in December
Ikebukuro, 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
Ikebukuro, Japan
- Average cloud cover in December: 30
The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in December
Ikebukuro, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, May, August, November and December (10km).
The months with the lowest visibility are April, June, July, September and October (9km).
