December weather forecastObu, Japan
December
Weather in December
The first month of the winter, December, is also a fresh month in Obu, Japan, with temperature in the range of an average high of 10.2°C (50.4°F) and an average low of 4.4°C (39.9°F).Temperature
December brings a decrease in the average high-temperature, falling from November's enjoyable 16.3°C (61.3°F) to a fresh 10.2°C (50.4°F). In Obu, an average low-temperature of 4.4°C (39.9°F) is recorded during December nights.Humidity
The average relative humidity in December is 72%.Rainfall
In Obu, in December, during 10.1 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Obu, during the entire year, the rain falls for 142.7 days and collects up to 863mm (33.98") of precipitation.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1 snowfall days, it receives 6mm (0.24") of snow. Throughout the year, in Obu, there are 4.8 snowfall days, and 33mm (1.3") of snow is accumulated.Daylight
The month with the shortest days in Obu is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:41 and sunset at 16:40. On the last day of December, in Obu, sunrise is at 06:59 and sunset at 16:50 JST.
Sunshine
The average sunshine in December is 5.9h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To cut down UV radiation exposure by about half, sport a wide-brim hat. 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
Average temperature in December
Obu, Japan
- Average high temperature in December: 10.2°C
The warmest month (with the highest average high temperature) is August (32.5°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 (24.7°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in December
Obu, Japan
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Obu, Japan
- Average wind speed in December: 11.7km/h
The windiest months (with the highest average wind speed) are January and February (11.8km/h).
The calmest months (with the lowest average wind speed) are June and July (8.6km/h).
Average humidity in December
Obu, Japan
- Average humidity in December: 72%
The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is February (68%).
Average rainfall in December
Obu, Japan
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is July (165mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days in December
Obu, Japan
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Obu, Japan
- Average snowfall in December: 6mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Obu, Japan
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is January (2.6 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
Obu, Japan
- Average daylight in December: 9h and 54min
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 54min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in December
Obu, Japan
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Obu, Japan
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Obu, Japan
- Average cloud cover in December: 35
The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is November (Cloud cover 33).
Average visibility in December
Obu, Japan
- Average visibility in December: 9km
The month with the highest visibility is February (10km).
The month with the lowest visibility is July (8km).
