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 beginning of December marks a decrease in the average high-temperature, transitioning from a comfortable 16.6°C (61.9°F) in November to a fresh 11.5°C (52.7°F). Narita, during December nights, experiences a subtle shift to a low average of 6.9°C (44.4°F) from the day's heat.Humidity
In December, the average relative humidity is 65%.Rainfall
In Narita, in December, during 12.4 rainfall days, 54mm (2.13") of precipitation is typically accumulated. Throughout the year, there are 188.7 rainfall days, and 1052mm (41.42") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Narita.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Narita.On the first day of the month, sunrise is at 06:30 and sunset at 16:25. On the last day of December, in Narita, sunrise is at 06:48 and sunset at 16:35 JST.
Sunshine
The average sunshine in December is 5.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 3 in December suggests the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average December temperature in Narita?
What is the average humidity in December in Narita?
How many days does it rain in December in Narita?
When it does not snow in Narita?
Does it snow in Narita in December?
What is the month with the shortest days in Narita?
What is the average length of the day in December in Narita?
When is the sunrise / sunset in December in Narita?
How many hours of sunshine does Narita have in December?
When is the lowest UV index in Narita?
What is the UV index intensity in December in Narita?
Average temperature in December
Narita, Japan
- Average high temperature in December: 11.5°C
The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in December: 6.9°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 (3.8°C).
Average pressure in December
Narita, Japan
- Average pressure in December: 1015.9mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Narita, Japan
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is March (16.8km/h).
The calmest month (with the lowest average wind speed) is June (12.8km/h).
Average humidity in December
Narita, Japan
- Average humidity in December: 65%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is January (61%).
Average rainfall in December
Narita, Japan
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is October (144mm).
The driest month (with the least rainfall) is January (45mm).
Average rainfall days in December
Narita, Japan
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Narita, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Narita, Japan
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (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
Narita, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Narita, Japan
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Narita, Japan
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in December
Narita, Japan
- Average cloud cover in December: 33
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in December
Narita, 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).
Narita, Japan
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