December weather forecastKobe, Japan
December
Weather in December
December in Kobe signifies the onset of winter, with the city progressively cooling off from the mild November temperatures. Snowflakes begin to fall and accumulate, reaching a total of 10mm (0.39") throughout the month. The dawn of the festive season sees the city illuminated in beautiful holiday lights, creating a magical atmosphere. The city is at its coldest, therefore, it is advisable to keep warm when venturing outdoors. As the month progresses, the city primes itself for a fresh year, carrying over the winter conditions into January.Temperature
December's arrival coincides with a drop in the average high-temperature, decreasing from November's mild 15.9°C (60.6°F) to a cool 10.1°C (50.2°F). Kobe experiences an average nighttime temperature of 5.5°C (41.9°F) in December, reflecting a minor difference from the day's peak.Humidity
The average relative humidity in December is 73%.Rainfall
In Kobe, in December, during 15.6 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, there are 176.9 rainfall days, and 791mm (31.14") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 3 snowfall days, it receives 10mm (0.39") of snow. In Kobe, during the entire year, snow falls for 15.6 days and aggregates up to 84mm (3.31") of snow.Sea temperature
In December, the average sea temperature is 17.7°C (63.9°F).Note: A surface water temperature of 17.7°C (63.9°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December in Kobe, sunrise is at 06:48 and sunset at 16:48. On the last day of the month, sunrise is at 07:06 and sunset at 16:58 JST.
Sunshine
In Kobe, the average sunshine in December is 5.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Guard yourself! Snow reflection 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
Kobe, Japan
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (7.9°C).
- Average low temperature in December: 5.5°C
The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in December
Kobe, Japan
- Average pressure in December: 1019.5mbar
The month with the highest atmospheric pressure is February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in December
Kobe, Japan
- Average wind speed in December: 14.6km/h
The windiest month (with the highest average wind speed) is January (15km/h).
The calmest month (with the lowest average wind speed) is June (9.5km/h).
Average humidity in December
Kobe, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are March and April (71%).
Average rainfall in December
Kobe, Japan
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is July (127mm).
The driest month (with the least rainfall) is January (31mm).
Average rainfall days in December
Kobe, Japan
- Average rainfall days in December: 15.6 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is May (11.7 days).
Average snowfall in December
Kobe, Japan
- Average snowfall in December: 10mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Kobe, Japan
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Kobe, Japan
- Average sea temperature in December: 17.7°C
The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is March (13.9°C).
Average daylight in December /
Average sunshine in December
Kobe, Japan
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in December
Kobe, Japan
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is May (17.1 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in December
Kobe, 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
Kobe, Japan
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Kobe, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).





