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
As December commences, the average high-temperature shows a reduction, transitioning from a frosty 9.5°C (49.1°F) in November to an icy 2.9°C (37.2°F). The low-temperature average for Tomono during December stands at a subzero cold -4.9°C (23.2°F).Humidity
In December, the average relative humidity in Tomono is 80%.Rainfall
December is the month with the least rainfall. Rain falls for 15 days and accumulates 43mm (1.69") of precipitation.Snowfall
Months with snowfall in Tomono are January through April, November and December. In Tomono, Japan, in December, snow falls for 15.9 days, with typically accumulated 147mm (5.79") of snow. Throughout the year, in Tomono, Japan, there are 77.1 snowfall days, and 965mm (37.99") of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Tomono, Japan.On the first day of the month, sunrise is at 06:39 and sunset at 16:31. On the last day of December, in Tomono, Japan, sunrise is at 06:57 and sunset at 16:41 JST.
Sunshine
In December, the average sunshine is 5.9h.UV index
In Tomono, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Tomono in December?
What is the average humidity in December in Tomono?
What is the driest month in Tomono?
How many days does it rain in December in Tomono?
How much does it snow in Tomono in December?
What is the month with the shortest days in Tomono?
How many hours of daylight does Tomono have in December?
When is the sunrise / sunset in December in Tomono?
How long on average sun shines in December in Tomono?
What is the UV index intensity in December in Tomono?
Average temperature in December
Tomono, 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
Tomono, 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
Tomono, 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
Tomono, 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
Tomono, 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
Tomono, 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
Tomono, 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
Tomono, 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
Tomono, Japan
- Average daylight in December: 9h and 4min
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 42min).
- 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
Tomono, 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
Tomono, 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
Tomono, 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
Tomono, 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).
