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
Mizunami, Japan, observes a minor decrease in the average high-temperature with the arrival of December, falling from November's mild 14.2°C (57.6°F) to a frosty 8°C (46.4°F). Mizunami experiences a consistent average temperature of 0.8°C (33.4°F) throughout the nights in December.Humidity
In December, the average relative humidity in Mizunami is 77%.Rainfall
In Mizunami, in December, during 13.3 rainfall days, 61mm (2.4") of precipitation is typically accumulated. In Mizunami, during the entire year, the rain falls for 157.8 days and collects up to 1146mm (45.12") of precipitation.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 4.6 snowfall days, it receives 38mm (1.5") of snow. Throughout the year, there are 18.2 snowfall days, and 141mm (5.55") of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Mizunami.On the first day of December, sunrise is at 06:41 and sunset at 16:38. On the last day of the month, sunrise is at 06:59 and sunset at 16:48 JST.
Sunshine
In Mizunami, the average sunshine in December is 6h.UV index
The months with the lowest UV index in Mizunami are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Mizunami?
What is the average humidity in December in Mizunami?
How many days does it rain in December in Mizunami?
When does it start snowing in Mizunami?
What is the month with the shortest days in Mizunami?
How many hours of daylight does Mizunami have in December?
When are sunrise and sunset in December in Mizunami?
How many hours of sunshine does Mizunami have in December?
What is the month with the lowest UV index in Mizunami?
What is the UV index reading in December in Mizunami?
Average temperature in December
Mizunami, Japan
- Average high temperature in December: 8°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in December: 0.8°C
The month with the highest average low temperature is August (21.3°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in December
Mizunami, Japan
- Average pressure in December: 1018.2mbar
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
Mizunami, Japan
- Average wind speed in December: 8km/h
The windiest month (with the highest average wind speed) is March (8.9km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in December
Mizunami, Japan
- Average humidity in December: 77%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are March and May (72%).
Average rainfall in December
Mizunami, Japan
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is July (195mm).
The driest month (with the least rainfall) is January (39mm).
Average rainfall days in December
Mizunami, Japan
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Mizunami, Japan
- Average snowfall in December: 38mm
The month with the highest snowfall is January (54mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Mizunami, Japan
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Mizunami, 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 48min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in December
Mizunami, Japan
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is May (18.8 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in December
Mizunami, 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, February and December (UV index 2).
Average cloud cover in December
Mizunami, 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 30).
Average visibility in December
Mizunami, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, August, October, November and December (9km).
The months with the lowest visibility are June, July and September (8km).
