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
December's arrival comes with a decrease in the average high-temperature, moving from a chilly 8.7°C (47.7°F) in November to a wintry 2.8°C (37°F). Nanae, during December nights, observes a steady temperature, averaging at a freezing cold -0.6°C (30.9°F).Humidity
In December, the average relative humidity is 75%.Rainfall
In Nanae, during December, the rain falls for 7.5 days and regularly aggregates up to 20mm (0.79") of precipitation. In Nanae, during the entire year, the rain falls for 112.7 days and collects up to 203mm (7.99") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Nanae, in December, during 11.9 snowfall days, 31mm (1.22") of snow is typically accumulated. In Nanae, during the entire year, snow falls for 57.1 days and aggregates up to 179mm (7.05") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 06:45 and sunset at 16:07. On the last day of the month, sunrise is at 07:04 and sunset at 16:15 JST.
Sunshine
In December, the average sunshine is 3.2h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Nanae have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Nanae, Japan
- Average high temperature in December: 2.8°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in December: -0.6°C
The month with the highest average low temperature is August (19.6°C).
The coldest month (with the lowest average low temperature) is February (-3.5°C).
Average pressure in December
Nanae, Japan
- Average pressure in December: 1014.1mbar
The month with the highest atmospheric pressure is November (1017mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Nanae, Japan
- Average wind speed in December: 24.3km/h
The windiest month (with the highest average wind speed) is December (24.3km/h).
The calmest month (with the lowest average wind speed) is July (12.2km/h).
Average humidity in December
Nanae, Japan
- Average humidity in December: 75%
The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Nanae, Japan
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is August (25mm).
The driest month (with the least rainfall) is May (12mm).
Average rainfall days in December
Nanae, Japan
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Nanae, Japan
- Average snowfall in December: 31mm
The month with the highest snowfall is February (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Nanae, Japan
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Nanae, Japan
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in December
Nanae, Japan
- Average sunshine days in December: 11 days
The months with the most sunshine days are May and October (17.3 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Nanae, Japan
- Average UV index in December: 1
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Nanae, Japan
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are September and October (Cloud cover 38).
Average visibility in December
Nanae, Japan
- Average visibility in December: 9km
The months with the highest visibility are September and October (10km).
The month with the lowest visibility is July (8km).
