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 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
In December, the average high-temperature decreases from an enjoyable 18.8°C (65.8°F) in November to a mild 13.6°C (56.5°F). December nights reflect a consistent temperature dip to a frosty 8.8°C (47.8°F), a slight descent from daytime peaks.Humidity
In December, the average relative humidity is 70%.Rainfall
In Niinazume, in December, it is raining for 8.6 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, in Niinazume, there are 155.3 rainfall days, and 1120mm (44.09") of precipitation is accumulated.Snowfall
Months with snowfall are February and December. The months with the most snowfall days are February and December, with an average of 0.1 snowfall days.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December in Niinazume, sunrise is at 06:56 and sunset at 17:09. On the last day of the month, sunrise is at 07:14 and sunset at 17:20 JST.
Sunshine
In Niinazume, the average sunshine in December is 6.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What are December temperatures in Niinazume?
What is the average humidity in December in Niinazume?
How much does it rain in Niinazume in December?
When does it snow the most in Niinazume?
When does it start to snow in Niinazume?
What is the month with the shortest days in Niinazume?
How many hours of daylight does Niinazume have in December?
When are sunrise and sunset in December in Niinazume?
How many hours of sunshine does Niinazume have in December?
When is the lowest UV index in Niinazume?
How high is the UV index in December in Niinazume?
Average temperature in December
Niinazume, Japan
- Average high temperature in December: 13.6°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in December: 8.8°C
The month with the highest average low temperature is August (25.7°C).
The coldest month (with the lowest average low temperature) is January (6.5°C).
Average pressure in December
Niinazume, Japan
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in December
Niinazume, Japan
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is October (15.4km/h).
The calmest month (with the lowest average wind speed) is June (12.1km/h).
Average humidity in December
Niinazume, Japan
- Average humidity in December: 70%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (68%).
Average rainfall in December
Niinazume, Japan
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is June (194mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days in December
Niinazume, Japan
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (7.5 days).
Average snowfall days in December
Niinazume, Japan
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Niinazume, Japan
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is October (Average sunshine: 5h and 48min).
Average sunshine days in December
Niinazume, Japan
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is September (9.2 days).
Average UV index in December
Niinazume, Japan
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Niinazume, Japan
- Average cloud cover in December: 28
The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in December
Niinazume, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (10km).
The months with the lowest visibility are June and July (9km).
Niinazume, Japan
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