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
The average high-temperature drops in December, from November's chilly 9.5°C (49.1°F) to a wintry 2.9°C (37.2°F). Managashi experiences an average low-temperature reading of -4.9°C (23.2°F) throughout December.Humidity
In December, the average relative humidity is 80%.Rainfall
The month with the least rainfall is December, when the rain falls for 15 days and typically collects 43mm (1.69") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Managashi, in December, during 15.9 snowfall days, 147mm (5.79") of snow is typically accumulated. Throughout the year, there are 77.1 snowfall days, and 965mm (37.99") 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 December, sunrise is at 06:38 and sunset at 16:31. On the last day of the month, sunrise is at 06:56 and sunset at 16:41 JST.
Sunshine
In December, the average sunshine is 5.9h.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents 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 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Managashi?
What time are sunrise and sunset in December?
How long on average sun shines in December in Managashi?
How high is the UV index in December?
Average temperature in December
Managashi, Japan
- Average high temperature in December: 2.9°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in December: -4.9°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).
Average pressure in December
Managashi, Japan
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Managashi, Japan
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in December
Managashi, Japan
- Average humidity in December: 80%
The months with the highest relative humidity are July and September (86%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Managashi, Japan
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is October (137mm).
The driest month (with the least rainfall) is December (43mm).
Average rainfall days in December
Managashi, Japan
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (13.3 days).
Average snowfall in December
Managashi, Japan
- Average snowfall in December: 147mm
The month with the highest snowfall is January (276mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Managashi, Japan
- Average snowfall days in December: 15.9 days
The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Managashi, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in December
Managashi, Japan
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is July (14.9 days).
The month with the least sunshine days is February (5.8 days).
Average UV index in December
Managashi, Japan
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Managashi, Japan
- Average cloud cover in December: 45
The month with the most cloud cover is September (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in December
Managashi, Japan
- Average visibility in December: 8km
The months with the highest visibility are January, March, April, May and December (8km).
The months with the lowest visibility are July, August, September and October (6km).
