December weather forecastHayashima, Japan
December
Weather in December
The first month of the winter, December, is also a frosty month in Hayashima, Japan, with an average temperature varying between 9.8°C (49.6°F) and 5.3°C (41.5°F).Temperature
December brings a drop in Hayashima's average high-temperature, falling from a mild 15.7°C (60.3°F) in November to a frosty 9.8°C (49.6°F). Hayashima registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 5.3°C (41.5°F) during December.Humidity
The average relative humidity in December in Hayashima is 74%.Rainfall
In December, the rain falls for 9 days. Throughout December, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 145.7 rainfall days, and 742mm (29.21") of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Hayashima, Japan.On the first day of the month, sunrise is at 06:53 and sunset at 16:54. On the last day of December, in Hayashima, sunrise is at 07:11 and sunset at 17:04 JST.
Sunshine
In December, the average sunshine in Hayashima is 5.3h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hayashima, Japan
- Average high temperature in December: 9.8°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in December: 5.3°C
The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in December
Hayashima, Japan
- Average pressure in December: 1020mbar
The months with the highest atmospheric pressure are January and February (1020.4mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in December
Hayashima, Japan
- Average wind speed in December: 14.3km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is June (8.3km/h).
Average humidity in December
Hayashima, Japan
- Average humidity in December: 74%
The month with the highest relative humidity is July (80%).
The months with the lowest relative humidity are March, April and May (70%).
Average rainfall in December
Hayashima, Japan
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is July (122mm).
The driest month (with the least rainfall) is November (21mm).
Average rainfall days in December
Hayashima, Japan
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Hayashima, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Hayashima, Japan
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (1.4 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
Hayashima, Japan
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Hayashima, Japan
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in December
Hayashima, 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
Hayashima, Japan
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Hayashima, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
