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
Hirabari in December undergoes a mild reduction in the average high-temperature, shifting from November's refreshing 15.9°C (60.6°F) to a chilly 9.8°C (49.6°F). Nighttime temperature experiences an average drop to an icy 3.5°C (38.3°F) in December.Humidity
The average relative humidity in December in Hirabari is 73%.Rainfall
In Hirabari, in December, during 11.3 rainfall days, 49mm (1.93") of precipitation is typically accumulated. In Hirabari, during the entire year, the rain falls for 158.5 days and collects up to 1122mm (44.17") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.5 snowfall days, it receives 11mm (0.43") of snow. In Hirabari, during the entire year, snow falls for 8.1 days and aggregates up to 53mm (2.09") of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 06:41 and sunset at 16:40. On the last day of the month, sunrise is at 06:59 and sunset at 16:50 JST.
Sunshine
In Hirabari, the average sunshine in December is 6h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How much does it rain in Hirabari in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Hirabari have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Hirabari, Japan
- Average high temperature in December: 9.8°C
The warmest month (with the highest average high temperature) is August (32.5°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in December
Hirabari, Japan
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Hirabari, Japan
- Average wind speed in December: 9.6km/h
The windiest month (with the highest average wind speed) is March (10.2km/h).
The calmest months (with the lowest average wind speed) are June and July (7.7km/h).
Average humidity in December
Hirabari, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is May (68%).
Average rainfall in December
Hirabari, Japan
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is July (195mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days in December
Hirabari, Japan
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Hirabari, Japan
- Average snowfall in December: 11mm
The month with the highest snowfall is January (26mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Hirabari, Japan
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (4 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
Hirabari, 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Hirabari, Japan
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Hirabari, Japan
- Average UV index in December: 2
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 2).
Average cloud cover in December
Hirabari, Japan
- Average cloud cover in December: 34
The month with the most cloud cover is July (Cloud cover 44).
The month with the least cloud cover is November (Cloud cover 31).
Average visibility in December
Hirabari, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
