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 decrease of average high-temperatures is mild in December, with a decline from a refreshing 15.5°C (59.9°F) in November to a chilly 9.7°C (49.5°F). December brings with it a nighttime average temperature of 4°C (39.2°F) in Tondabayashi.Humidity
In Tondabayashi, Japan, the average relative humidity in December is 74%.Rainfall
In Tondabayashi, during December, the rain falls for 14.8 days and regularly aggregates up to 44mm (1.73") of precipitation. Throughout the year, there are 177.4 rainfall days, and 831mm (32.72") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Tondabayashi. December is the first month it typically snows in Tondabayashi. Throughout December, in the average 3.8 snowfall days, it receives 20mm (0.79") of snow. Throughout the year, in Tondabayashi, there are 17.4 snowfall days, and 109mm (4.29") of snow is accumulated.Daylight
The month with the shortest days in Tondabayashi, Japan, is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:46 and sunset at 16:47. On the last day of December, in Tondabayashi, Japan, sunrise is at 07:04 and sunset at 16:57 JST.
Sunshine
In Tondabayashi, the average sunshine in December is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Tondabayashi in December?
What is the average humidity in December in Tondabayashi?
How many days does it rain in December in Tondabayashi?
When does it start snowing in Tondabayashi?
What is the month with the shortest days in Tondabayashi?
What is the average length of the day in December in Tondabayashi?
When is the sunrise / sunset in December in Tondabayashi?
How long on average sun shines in December in Tondabayashi?
What is the month with the lowest UV index in Tondabayashi?
How high is the UV index in December in Tondabayashi?
Average temperature in December
Tondabayashi, Japan
- Average high temperature in December: 9.7°C
The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in December: 4°C
The month with the highest average low temperature is August (23.9°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in December
Tondabayashi, Japan
- Average pressure in December: 1019.3mbar
The month with the highest atmospheric pressure is February (1019.6mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in December
Tondabayashi, Japan
- Average wind speed in December: 9.7km/h
The windiest month (with the highest average wind speed) is January (10.1km/h).
The calmest month (with the lowest average wind speed) is June (7.1km/h).
Average humidity in December
Tondabayashi, Japan
- Average humidity in December: 74%
The month with the highest relative humidity is July (78%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in December
Tondabayashi, Japan
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is July (146mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in December
Tondabayashi, Japan
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (11.8 days).
Average snowfall in December
Tondabayashi, Japan
- Average snowfall in December: 20mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Tondabayashi, Japan
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (7.3 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
Tondabayashi, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in December
Tondabayashi, Japan
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is May (18 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in December
Tondabayashi, 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 and December (UV index 2).
Average cloud cover in December
Tondabayashi, Japan
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Tondabayashi, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
