Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a moderate 15°C (59°F) in November to a chilly 9.2°C (48.6°F). Kumagaya observes an average low-temperature of 2.8°C (37°F) during December.Humidity
In December, the average relative humidity in Kumagaya is 63%.Rainfall
December is the month with the least rainfall. Rain falls for 4.7 days and accumulates 14mm (0.55") of precipitation.Snowfall
In Kumagaya, snow does not fall in April through October and December.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 06:34 and sunset at 16:28. On the last day of the month, sunrise is at 06:53 and sunset at 16:37 JST.
Sunshine
In Kumagaya, Japan, the average sunshine in December is 6.8h.UV index
January 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 minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What is the usual temperature for Kumagaya in December?
What is the average humidity in December in Kumagaya?
What is the driest month in Kumagaya?
How many days does it rain in December in Kumagaya?
When it does not snow in Kumagaya?
Does it snow in Kumagaya in December?
What is the month with the shortest days in Kumagaya?
What is the average length of the day in December in Kumagaya?
When are sunrise and sunset in December in Kumagaya?
How long on average sun shines in December in Kumagaya?
What is the month with the lowest UV index in Kumagaya?
What is the UV index intensity in December in Kumagaya?
Average temperature in December
Kumagaya, Japan
- Average high temperature in December: 9.2°C
The warmest month (with the highest average high temperature) is August (31.2°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 2.8°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (0°C).
Average pressure in December
Kumagaya, Japan
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in December
Kumagaya, Japan
- Average wind speed in December: 9.3km/h
The windiest month (with the highest average wind speed) is January (10.3km/h).
The calmest month (with the lowest average wind speed) is July (6.6km/h).
Average humidity in December
Kumagaya, Japan
- Average humidity in December: 63%
The month with the highest relative humidity is July (76%).
The month with the lowest relative humidity is January (60%).
Average rainfall in December
Kumagaya, Japan
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is October (99mm).
The driest month (with the least rainfall) is December (14mm).
Average rainfall days in December
Kumagaya, Japan
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is January (4 days).
Average snowfall in December
Kumagaya, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in December
Kumagaya, Japan
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Kumagaya, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are May and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in December
Kumagaya, Japan
- Average sunshine days in December: 25.5 days
The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is July (5.1 days).
Average UV index in December
Kumagaya, 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 and December (UV index 2).
Average cloud cover in December
Kumagaya, Japan
- Average cloud cover in December: 26
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility in December
Kumagaya, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).
Kumagaya, Japan
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