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 sea temperature 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
In Hachinohe, the beginning of December is marked by a lowered average high-temperature, shifting from November's fresh 10.5°C (50.9°F) to a cold 3.8°C (38.8°F). An average low-temperature of -0.1°C (31.8°F), slightly less than the daytime peak, marks the month of December.Humidity
In Hachinohe, the average relative humidity in December is 76%.Rainfall
In Hachinohe, in December, during 11.5 rainfall days, 49mm (1.93") of precipitation is typically accumulated. In Hachinohe, during the entire year, the rain falls for 156.7 days and collects up to 740mm (29.13") of precipitation.Snowfall
Months with snowfall in Hachinohe are January through April, November and December. In Hachinohe, Japan, in December, snow falls for 15.5 days, with typically accumulated 162mm (6.38") of snow. Throughout the year, in Hachinohe, there are 67.1 snowfall days, and 669mm (26.34") of snow is accumulated.Sea temperature
In Hachinohe, the average seawater temperature in December is 11.8°C (53.2°F).Note: Diving into 11.8°C (53.2°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in Hachinohe, sunrise is at 06:38 and sunset at 16:08. On the last day of the month, sunrise is at 06:57 and sunset at 16:16 JST.
Sunshine
In December, the average sunshine in Hachinohe is 4.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
How cold is it in Hachinohe in December?
What is the average humidity in December in Hachinohe?
How many days does it rain in December in Hachinohe?
How much does it snow in Hachinohe in December?
What is the water temperature in December in Hachinohe?
What is the month with the shortest days in Hachinohe?
What is the average length of the day in December in Hachinohe?
What time are sunrise and sunset in December in Hachinohe?
How many hours of sunshine does Hachinohe have in December?
What is the month with the lowest UV index in Hachinohe?
What is the UV index intensity in December in Hachinohe?
Average temperature in December
Hachinohe, Japan
- Average high temperature in December: 3.8°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in December: -0.1°C
The month with the highest average low temperature is August (19.9°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).
Average pressure in December
Hachinohe, Japan
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is November (1017.3mbar).
The month with the lowest atmospheric pressure is July (1009.1mbar).
Average wind speed in December
Hachinohe, Japan
- Average wind speed in December: 19.3km/h
The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in December
Hachinohe, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Hachinohe, Japan
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is July (108mm).
The driest month (with the least rainfall) is November (29mm).
Average rainfall days in December
Hachinohe, Japan
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
Hachinohe, Japan
- Average snowfall in December: 162mm
The month with the highest snowfall is January (171mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Hachinohe, Japan
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Hachinohe, Japan
- Average sea temperature in December: 11.8°C
The best month for swimming (with the highest average sea temperature) is August (22.6°C).
The coldest month (with the lowest average sea temperature) is March (7°C).
Average daylight in December /
Average sunshine in December
Hachinohe, Japan
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is May (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Hachinohe, Japan
- Average sunshine days in December: 7.2 days
The month with the most sunshine days is May (17.6 days).
The month with the least sunshine days is January (6.7 days).
Average UV index in December
Hachinohe, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Hachinohe, Japan
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are May and October (Cloud cover 37).
Average visibility in December
Hachinohe, Japan
- Average visibility in December: 9km
The months with the highest visibility are October and November (10km).
The month with the lowest visibility is July (8km).
Hachinohe, Japan
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