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
December
Weather in December
Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's enjoyable 17.6°C (63.7°F) to a moderate 13.4°C (56.1°F). During the nights of December, Sunomiya maintains an almost steady temperature with an average low of 10.1°C (50.2°F).Humidity
The average relative humidity in December is 65%.Rainfall
In December, the rain falls for 11.6 days. Throughout December, 31mm (1.22") of precipitation is accumulated. Throughout the year, in Sunomiya, there are 157.4 rainfall days, and 525mm (20.67") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Sunomiya.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Sunomiya.On the first day of the month, sunrise is at 06:30 and sunset at 16:29. On the last day of December, sunrise is at 06:48 and sunset at 16:39 JST.
Sunshine
In December, the average sunshine is 5.5h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Sunomiya. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Sunomiya?
What is the average humidity in December in Sunomiya?
How many days does it rain in December in Sunomiya?
When it does not snow in Sunomiya?
Does it snow in Sunomiya in December?
What is the month with the shortest days in Sunomiya?
What is the average length of the day in December in Sunomiya?
When are sunrise and sunset in December in Sunomiya?
How many hours of sunshine does Sunomiya have in December?
What are the months with the lowest UV index in Sunomiya?
How high is the UV index in December in Sunomiya?
Average temperature in December
Sunomiya, Japan
- Average high temperature in December: 13.4°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in December: 10.1°C
The month with the highest average low temperature is August (25.8°C).
The coldest months (with the lowest average low temperature) are January and February (7.2°C).
Average pressure in December
Sunomiya, Japan
- Average pressure in December: 1016mbar
The month with the highest atmospheric pressure is November (1017.7mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Sunomiya, Japan
- Average wind speed in December: 24.9km/h
The windiest month (with the highest average wind speed) is March (25.7km/h).
The calmest month (with the lowest average wind speed) is June (18.8km/h).
Average humidity in December
Sunomiya, Japan
- Average humidity in December: 65%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is January (62%).
Average rainfall in December
Sunomiya, Japan
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is June (70mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in December
Sunomiya, Japan
- Average rainfall days in December: 11.6 days
The months with the highest number of rainy days are September and October (15.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Sunomiya, Japan
- Average snowfall in December: 0mm
The months with the highest snowfall are January and February (1mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Sunomiya, Japan
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Sunomiya, Japan
- Average daylight in December: 9h and 5min
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 54min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Sunomiya, Japan
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is May (17.8 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in December
Sunomiya, Japan
- Average UV index in December: 3
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 3).
Average cloud cover in December
Sunomiya, Japan
- Average cloud cover in December: 38
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Sunomiya, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
