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
The start of December signals a decrease in the average high-temperature, transitioning from an enjoyable 16.4°C (61.5°F) in November to a fresh 11°C (51.8°F). Yachiyo's nighttime temperature during December is consistently averaged at a cold 5.8°C (42.4°F).Humidity
The average relative humidity in December in Yachiyo is 65%.Rainfall
In December, in Yachiyo, Japan, the rain falls for 6 days. Throughout December, 9mm (0.35") of precipitation is accumulated. In Yachiyo, Japan, during the entire year, the rain falls for 98.7 days and collects up to 190mm (7.48") of precipitation.Snowfall
In Yachiyo, Japan, snow does not fall in March through December.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December in Yachiyo, Japan, sunrise is at 06:31 and sunset at 16:26. On the last day of the month, sunrise is at 06:49 and sunset at 16:36 JST.
Sunshine
In December, the average sunshine is 6h.UV index
In Yachiyo, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Yachiyo?
What is the average humidity in December in Yachiyo?
How many days does it rain in December in Yachiyo?
When it does not snow in Yachiyo?
Does it snow in Yachiyo in December?
What is the month with the shortest days in Yachiyo?
What is the average length of the day in December in Yachiyo?
When are sunrise and sunset in December in Yachiyo?
How many hours of sunshine does Yachiyo have in December?
What is the UV index intensity in December in Yachiyo?
Average temperature in December
Yachiyo, Japan
- Average high temperature in December: 11°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in December: 5.8°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in December
Yachiyo, Japan
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Yachiyo, Japan
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is April (14.8km/h).
The calmest months (with the lowest average wind speed) are June and November (11.7km/h).
Average humidity in December
Yachiyo, Japan
- Average humidity in December: 65%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (61%).
Average rainfall in December
Yachiyo, Japan
- Average rainfall in December: 9mm
The wettest month (with the highest rainfall) is October (25mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days in December
Yachiyo, Japan
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is June (10.9 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Yachiyo, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Yachiyo, Japan
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Yachiyo, 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: 6h and 0min
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 30min).
Average sunshine days in December
Yachiyo, Japan
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is June (16.1 days).
Average UV index in December
Yachiyo, Japan
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Yachiyo, Japan
- Average cloud cover in December: 32
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in December
Yachiyo, 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).
