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 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 start of December involves a subtle temperature drop, shifting from a moderately hot 24.9°C (76.8°F) in November to an agreeable 21.8°C (71.2°F). Night temperatures during December stabilize at an average of 20°C (68°F), closely mirroring the daytime temperatures.Humidity
The months with the lowest humidity are January and December, with an average relative humidity of 77%.Rainfall
In Hateruma, in December, during 24.7 rainfall days, 116mm (4.57") of precipitation is typically accumulated. In Hateruma, during the entire year, the rain falls for 245.4 days and collects up to 1322mm (52.05") of precipitation.Daylight
December has the shortest days of the year in Hateruma, with an average of 10h and 42min of daylight.On the first day of the month, sunrise is at 07:11 and sunset at 17:56. On the last day of December, in Hateruma, sunrise is at 07:27 and sunset at 18:08 JST.
Sunshine
With an average of 4.2h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index in Hateruma, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 4 suggests these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What are December temperatures in Hateruma?
What is the least humid month in Hateruma?
What is the average humidity in December in Hateruma?
How much does it rain in Hateruma in December?
What is the month with the shortest days in Hateruma?
How many hours of daylight does Hateruma have in December?
When is the sunrise / sunset in December in Hateruma?
What is the month with the least sunshine in Hateruma?
How long on average sun shines in December in Hateruma?
What is the month with the lowest UV index in Hateruma?
What is the UV index reading in December in Hateruma?
Average temperature in December
Hateruma, Japan
- Average high temperature in December: 21.8°C
The warmest months (with the highest average high temperature) are July and August (29.3°C).
The month with the lowest average high temperature is January (20.5°C).
- Average low temperature in December: 20°C
The month with the highest average low temperature is July (28.4°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).
Average pressure in December
Hateruma, Japan
- Average pressure in December: 1019.4mbar
The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is August (1005.6mbar).
Average wind speed in December
Hateruma, Japan
- Average wind speed in December: 32.7km/h
The windiest month (with the highest average wind speed) is December (32.7km/h).
The calmest month (with the lowest average wind speed) is May (20.2km/h).
Average humidity in December
Hateruma, Japan
- Average humidity in December: 77%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January and December (77%).
Average rainfall in December
Hateruma, Japan
- Average rainfall in December: 116mm
The wettest month (with the highest rainfall) is August (207mm).
The driest month (with the least rainfall) is February (70mm).
Average rainfall days in December
Hateruma, Japan
- Average rainfall days in December: 24.7 days
The month with the highest number of rainy days is January (25.3 days).
The month with the least rainy days is July (16.8 days).
Average daylight in December /
Average sunshine in December
Hateruma, Japan
- Average daylight in December: 10h and 4min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in December
Hateruma, Japan
- Average sunshine days in December: 3.5 days
The month with the most sunshine days is July (12.3 days).
The months with the least sunshine days are January and December (3.5 days).
Average UV index in December
Hateruma, Japan
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Hateruma, Japan
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Hateruma, Japan
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Hateruma, Japan
Weather forecast for your location
2. Allow the app to use your location
