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
December
Weather in December
Temperature
A change in temperatures is noted as November gives way to December, with average highs reducing from a fresh 11.2°C (52.2°F) to a wintry 5.1°C (41.2°F). The December nights show a slight decrease to a mean low-temperature of 0.4°C (32.7°F).Humidity
In Ofunato, the average relative humidity in December is 76%.Rainfall
In Ofunato, Japan, in December, it is raining for 10.5 days, with typically 43mm (1.69") of accumulated precipitation. Throughout the year, in Ofunato, there are 152.7 rainfall days, and 882mm (34.72") of precipitation is accumulated.Snowfall
Months with snowfall in Ofunato are January through April, November and December. In Ofunato, Japan, in December, during 6.1 snowfall days, 30mm (1.18") of snow is typically accumulated. Throughout the year, there are 29.6 snowfall days, and 238mm (9.37") of snow is accumulated.Sea temperature
In December, the average sea temperature in Ofunato is 12.3°C (54.1°F).Note: You can swim in 12.3°C (54.1°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.
Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 06:33 and sunset at 16:11. On the last day of the month, sunrise is at 06:52 and sunset at 16:20 JST.
Sunshine
In Ofunato, the average sunshine in December is 5.5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Ofunato?
What is the average humidity in December in Ofunato?
How much does it rain in Ofunato in December?
How many days does it snow in December in Ofunato?
What is the sea water temperature in December in Ofunato?
What is the month with the shortest days in Ofunato?
How many hours of daylight does Ofunato have in December?
What time are sunrise and sunset in December in Ofunato?
How long on average sun shines in December in Ofunato?
What is the month with the lowest UV index in Ofunato?
How high is the UV index in December in Ofunato?
Average temperature in December
Ofunato, Japan
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in December: 0.4°C
The month with the highest average low temperature is August (20.3°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).
Average pressure in December
Ofunato, Japan
- Average pressure in December: 1015.3mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is July (1009.3mbar).
Average wind speed in December
Ofunato, Japan
- Average wind speed in December: 18.8km/h
The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in December
Ofunato, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is July (88%).
The months with the lowest relative humidity are March and April (75%).
Average rainfall in December
Ofunato, Japan
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is October (147mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in December
Ofunato, Japan
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in December
Ofunato, Japan
- Average snowfall in December: 30mm
The month with the highest snowfall is February (74mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Ofunato, Japan
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Ofunato, Japan
- Average sea temperature in December: 12.3°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 (6.8°C).
Average daylight in December /
Average sunshine in December
Ofunato, Japan
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is May (Average sunshine: 8h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Ofunato, Japan
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is January (18 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in December
Ofunato, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Ofunato, Japan
- Average cloud cover in December: 42
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is November (Cloud cover 36).
Average visibility in December
Ofunato, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, October, November and December (10km).
The month with the lowest visibility is July (8km).
