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
The average high-temperature drops in December, from November's cool 10.4°C (50.7°F) to a cold 4.1°C (39.4°F). During December, the nighttime temperature averages of -2.3°C (27.9°F).Humidity
The average relative humidity in December in Numata, Japan, is 77%.Rainfall
In Numata, in December, it is raining for 11.9 days, with typically 49mm (1.93") of accumulated precipitation. In Numata, during the entire year, the rain falls for 190.1 days and collects up to 941mm (37.05") of precipitation.Snowfall
January through April, November and December are months with snowfall in Numata. In Numata, Japan, in December, snow falls for 14.4 days, with typically accumulated 207mm (8.15") of snow. Throughout the year, in Numata, Japan, there are 67.2 snowfall days, and 1024mm (40.31") of snow is accumulated.Daylight
December has the shortest days of the year in Numata, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 06:37 and sunset at 16:28. On the last day of December, in Numata, sunrise is at 06:55 and sunset at 16:37 JST.
Sunshine
In December, the average sunshine in Numata is 6.4h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Numata in December?
What is the average humidity in December in Numata?
How many days does it rain in December in Numata?
How much does it snow in Numata in December?
What is the month with the shortest days in Numata?
How many hours of daylight does Numata have in December?
When are sunrise and sunset in December in Numata?
How long on average sun shines in December in Numata?
When is the lowest UV index in Numata?
How high is the UV index in December in Numata?
Average temperature in December
Numata, Japan
- Average high temperature in December: 4.1°C
The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (1.1°C).
- Average low temperature in December: -2.3°C
The month with the highest average low temperature is August (18.4°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).
Average pressure in December
Numata, Japan
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in December
Numata, Japan
- Average wind speed in December: 9.9km/h
The windiest month (with the highest average wind speed) is January (10.8km/h).
The calmest month (with the lowest average wind speed) is July (5.2km/h).
Average humidity in December
Numata, Japan
- Average humidity in December: 77%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Numata, Japan
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is July (153mm).
The driest month (with the least rainfall) is February (39mm).
Average rainfall days in December
Numata, Japan
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (25.5 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Numata, Japan
- Average snowfall in December: 207mm
The month with the highest snowfall is January (319mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Numata, Japan
- Average snowfall days in December: 14.4 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Numata, 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: 6h and 2min
The months with the most sunshine are May and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Numata, Japan
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is May (13.1 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in December
Numata, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Numata, Japan
- Average cloud cover in December: 35
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is November (Cloud cover 29).
Average visibility in December
Numata, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
Numata, Japan
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