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
Weather in December
Temperature
Observing a mild shift, the average high-temperature during December reduces from November's refreshing 15.9°C (60.6°F) to a cool 10.8°C (51.4°F). Shomachi, during December nights, witnesses an average temperature marginally cooler than its daytime highs, at a frosty 6.7°C (44.1°F).Humidity
In Shomachi, Japan, the average relative humidity in December is 72%.Rainfall
In Shomachi, during December, the rain falls for 10.4 days and regularly aggregates up to 29mm (1.14") of precipitation. In Shomachi, during the entire year, the rain falls for 145.9 days and collects up to 560mm (22.05") of precipitation.Snowfall
In Shomachi, snow does not fall in March through December.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December in Shomachi, sunrise is at 06:49 and sunset at 16:52. On the last day of the month, sunrise is at 07:07 and sunset at 17:02 JST.
Sunshine
In December, the average sunshine is 5.9h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the usual temperature for Shomachi in December?
What is the average humidity in December in Shomachi?
How many days does it rain in December in Shomachi?
When it does not snow in Shomachi?
Does it snow in Shomachi in December?
What is the month with the shortest days in Shomachi?
What is the average length of the day in December in Shomachi?
When are sunrise and sunset in December in Shomachi?
How long on average sun shines in December in Shomachi?
When is the lowest UV index in Shomachi?
What is the UV index intensity in December in Shomachi?
Average temperature in December
Shomachi, Japan
- Average high temperature in December: 10.8°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 6.7°C
The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).
Average pressure in December
Shomachi, Japan
- Average pressure in December: 1019.7mbar
The month with the highest atmospheric pressure is January (1020mbar).
The month with the lowest atmospheric pressure is June (1008.6mbar).
Average wind speed in December
Shomachi, Japan
- Average wind speed in December: 18.7km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest month (with the lowest average wind speed) is June (10.1km/h).
Average humidity in December
Shomachi, Japan
- Average humidity in December: 72%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is January (69%).
Average rainfall in December
Shomachi, Japan
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is July (89mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in December
Shomachi, Japan
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Shomachi, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Shomachi, Japan
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.8 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
Shomachi, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in December
Shomachi, Japan
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in December
Shomachi, 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
Shomachi, Japan
- Average cloud cover in December: 35
The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Shomachi, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
Shomachi, Japan
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