December weather forecastOkadamacho, Japan
December
Weather in December
December, the first month of the winter in Okadamacho, is also a subzero cold month, with an average temperature ranging between max -1.3°C (29.7°F) and min -6.5°C (20.3°F).Temperature
The onset of December brings a small change in high-temperatures, falling from a wintry 5.5°C (41.9°F) in November to a subzero cold -1.3°C (29.7°F). Throughout the nights in December, an average low-temperature of -6.5°C (20.3°F) is noted in Okadamacho.Humidity
In Okadamacho, Japan, the average relative humidity in December is 87%.Rainfall
In December, in Okadamacho, the rain falls for 10 days. Throughout December, 79mm (3.11") of precipitation is accumulated. Throughout the year, there are 167 rainfall days, and 843mm (33.19") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Okadamacho. In Okadamacho, in December, snow falls for 24.8 days, with typically accumulated 427mm (16.81") of snow. In Okadamacho, during the entire year, snow falls for 111.9 days and aggregates up to 1723mm (67.83") of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Okadamacho.On the first day of the month, sunrise is at 06:46 and sunset at 16:00. On the last day of December, in Okadamacho, sunrise is at 07:05 and sunset at 16:08 JST.
Sunshine
The average sunshine in December in Okadamacho is 2.7h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Okadamacho, Japan. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Okadamacho, Japan
- Average high temperature in December: -1.3°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in December: -6.5°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).
Average pressure in December
Okadamacho, Japan
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is November (1016.2mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in December
Okadamacho, Japan
- Average wind speed in December: 12.8km/h
The windiest months (with the highest average wind speed) are April and December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in December
Okadamacho, Japan
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in December
Okadamacho, Japan
- Average rainfall in December: 79mm
The wettest month (with the highest rainfall) is August (112mm).
The driest month (with the least rainfall) is April (51mm).
Average rainfall days in December
Okadamacho, Japan
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Okadamacho, Japan
- Average snowfall in December: 427mm
The month with the highest snowfall is January (430mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Okadamacho, Japan
- Average snowfall days in December: 24.8 days
The month with the highest number of snowfall days is January (28 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Okadamacho, Japan
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 42min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in December
Okadamacho, Japan
- Average sunshine days in December: 2.7 days
The month with the most sunshine days is May (13.4 days).
The month with the least sunshine days is December (2.7 days).
Average UV index in December
Okadamacho, Japan
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Okadamacho, Japan
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in December
Okadamacho, Japan
- Average visibility in December: 7km
The months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (6km).
