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
December indicates a shift in the average high-temperature, from November's mild 14.6°C (58.3°F) to a frosty 8.3°C (46.9°F). An average temperature of 2.2°C (36°F) marks the nights in December.Humidity
In December, the average relative humidity is 79%.Rainfall
In Motosu, during December, the rain falls for 18.3 days and regularly aggregates up to 66mm (2.6") of precipitation. Throughout the year, there are 201 rainfall days, and 1412mm (55.59") 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 3.5 snowfall days, it receives 44mm (1.73") of snow. Throughout the year, there are 18 snowfall days, and 181mm (7.13") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:44 and sunset at 16:40. On the last day of December, sunrise is at 07:02 and sunset at 16:50 JST.
Sunshine
The average sunshine in December is 5.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How much does it rain in December?
When does it start to snow?
What is the month with the shortest days in Motosu?
How many hours of daylight does Motosu have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Motosu, Japan
- Average high temperature in December: 8.3°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in December
Motosu, Japan
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Motosu, Japan
- Average wind speed in December: 7.1km/h
The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is July (5.9km/h).
Average humidity in December
Motosu, Japan
- Average humidity in December: 79%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Motosu, Japan
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is July (259mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days in December
Motosu, Japan
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is July (23.5 days).
The month with the least rainy days is February (13 days).
Average snowfall in December
Motosu, Japan
- Average snowfall in December: 44mm
The month with the highest snowfall is January (80mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Motosu, Japan
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (7.8 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
Motosu, 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: 5h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 5h and 30min).
Average sunshine days in December
Motosu, Japan
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is July (4.9 days).
Average UV index in December
Motosu, 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
Motosu, Japan
- Average cloud cover in December: 41
The month with the most cloud cover is July (Cloud cover 51).
The month with the least cloud cover is November (Cloud cover 34).
Average visibility in December
Motosu, Japan
- Average visibility in December: 8km
The months with the highest visibility are February, March, May and November (9km).
The months with the lowest visibility are January, April, June, July, August, September, October and December (8km).
