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 sea temperature 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 shift to December brings a decrease in the average high-temperature in Sakai, Japan, falling from an enjoyable 16°C (60.8°F) in November to a fresh 10°C (50°F). During December, Sakai witnesses a consistent average low-temperature of 4.7°C (40.5°F).Humidity
In December, the average relative humidity in Sakai is 74%.Rainfall
In Sakai, in December, during 14.3 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Sakai, Japan, there are 149 rainfall days, and 436mm (17.17") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Sakai. Throughout December, in the average 3.1 snowfall days, it receives 18mm (0.71") of snow. In Sakai, during the entire year, snow falls for 14.9 days and aggregates up to 82mm (3.23") of snow.Sea temperature
In Sakai, in December, the average water temperature is 17.7°C (63.9°F).Note: For the majority of people, swimming in water at 17.7°C (63.9°F) is not enjoyable. The challenge of controlling breathing escalates as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the shortest days in Sakai is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:46 and sunset at 16:47. On the last day of December, sunrise is at 07:04 and sunset at 16:57 JST.
Sunshine
In Sakai, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index in Sakai, Japan, are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Stay sun-safe with clothing that is both closely woven and worn loosely. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Sakai?
What is the average humidity in December in Sakai?
How many days does it rain in December in Sakai?
When does it start to snow in Sakai?
What is the sea temperature in December in Sakai?
What is the month with the shortest days in Sakai?
How many hours of daylight does Sakai have in December?
What time are sunrise and sunset in December in Sakai?
How many hours of sunshine does Sakai have in December?
What are the months with the lowest UV index in Sakai?
What is the UV index intensity in December in Sakai?
Average temperature in December
Sakai, Japan
- Average high temperature in December: 10°C
The warmest month (with the highest average high temperature) is August (31.6°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in December: 4.7°C
The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in December
Sakai, Japan
- Average pressure in December: 1019.3mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in December
Sakai, Japan
- Average wind speed in December: 10.3km/h
The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest month (with the lowest average wind speed) is June (7.8km/h).
Average humidity in December
Sakai, Japan
- Average humidity in December: 74%
The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Sakai, Japan
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is July (79mm).
The driest month (with the least rainfall) is November (20mm).
Average rainfall days in December
Sakai, Japan
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is May (8.7 days).
Average snowfall in December
Sakai, Japan
- Average snowfall in December: 18mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Sakai, Japan
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (6 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
Sakai, 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
Sakai, Japan
- Average daylight in December: 9h and 5min
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 1min
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: 4h and 48min).
Average sunshine days in December
Sakai, Japan
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is May (20 days).
The month with the least sunshine days is January (10.8 days).
Average UV index in December
Sakai, 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
Sakai, Japan
- Average cloud cover in December: 43
The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Sakai, Japan
- Average visibility in December: 10km
The months with the highest visibility are February, March, November and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September and October (9km).
Sakai, Japan
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