December weather forecastMasaka, Japan
December
Weather in December
December, the first month of the winter in Masaka, is also a wintry month, with an average temperature varying between 5°C (41°F) and 1.7°C (35.1°F).Temperature
In Masaka, the average high-temperature in December decreases from a fresh 11°C (51.8°F) in November to a wintry 5°C (41°F). Masaka indicates a consistently low-temperature of 1.7°C (35.1°F) during the nights of December.Humidity
In Masaka, the average relative humidity in December is 78%.Rainfall
December is the month with the most rainfall. Rain falls for 15.9 days and accumulates 137mm (5.39") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 13.5 days. Throughout December, 199mm (7.83") of snow is accumulated. In Masaka, during the entire year, snow falls for 66.2 days and aggregates up to 833mm (32.8") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 06:42 and sunset at 16:15. On the last day of the month, sunrise is at 07:01 and sunset at 16:24 JST.
Sunshine
In December, the average sunshine is 2.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard 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:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Masaka, Japan
- Average high temperature in December: 5°C
The warmest month (with the highest average high temperature) is August (26.7°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in December: 1.7°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (-1.8°C).
Average pressure in December
Masaka, Japan
- Average pressure in December: 1015.7mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Masaka, Japan
- Average wind speed in December: 23.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is July (11.2km/h).
Average humidity in December
Masaka, Japan
- Average humidity in December: 78%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are April and October (74%).
Average rainfall in December
Masaka, Japan
- Average rainfall in December: 137mm
The wettest month (with the highest rainfall) is December (137mm).
The driest month (with the least rainfall) is May (56mm).
Average rainfall days in December
Masaka, Japan
- Average rainfall days in December: 15.9 days
The month with the highest number of rainy days is November (21.6 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Masaka, Japan
- Average snowfall in December: 199mm
The month with the highest snowfall is January (259mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Masaka, Japan
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (20.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Masaka, Japan
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 2h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in December
Masaka, Japan
- Average sunshine days in December: 2.4 days
The month with the most sunshine days is May (14.4 days).
The month with the least sunshine days is January (1.4 days).
Average UV index in December
Masaka, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Masaka, Japan
- Average cloud cover in December: 78
The month with the most cloud cover is January (Cloud cover 86).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Masaka, Japan
- Average visibility in December: 8km
The months with the highest visibility are September and October (10km).
The month with the lowest visibility is January (7km).
