December weather forecastNichihara, Japan
December
Weather in December
The first month of the winter, December, is also a frosty month in Nichihara, Japan, with an average temperature ranging between max 8.6°C (47.5°F) and min 4.4°C (39.9°F).Temperature
A decrease in the average high-temperature is observed during December, shifting from a refreshing 14.5°C (58.1°F) in November to a chilly 8.6°C (47.5°F). Nichihara sees a minor drop to an average minimum temperature of 4.4°C (39.9°F) during the night in the month of December.Humidity
In December, the average relative humidity in Nichihara is 78%.Rainfall
In Nichihara, in December, it is raining for 19.6 days, with typically 83mm (3.27") of accumulated precipitation. Throughout the year, there are 209.9 rainfall days, and 1304mm (51.34") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Nichihara, during December, snow falls for 6 days and regularly aggregates up to 33mm (1.3") of snow. In Nichihara, during the entire year, snow falls for 23.1 days and aggregates up to 161mm (6.34") of snow.Daylight
The month with the shortest days in Nichihara is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 07:01 and sunset at 17:02. On the last day of the month, sunrise is at 07:19 and sunset at 17:12 JST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.8h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Nichihara. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nichihara, Japan
- Average high temperature in December: 8.6°C
The warmest month (with the highest average high temperature) is August (28.2°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 4.4°C
The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).
Average pressure in December
Nichihara, Japan
- Average pressure in December: 1020.8mbar
The month with the highest atmospheric pressure is January (1021.3mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in December
Nichihara, Japan
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is June (8.8km/h).
Average humidity in December
Nichihara, Japan
- Average humidity in December: 78%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is March (74%).
Average rainfall in December
Nichihara, Japan
- Average rainfall in December: 83mm
The wettest month (with the highest rainfall) is July (236mm).
The driest month (with the least rainfall) is November (56mm).
Average rainfall days in December
Nichihara, Japan
- Average rainfall days in December: 19.6 days
The month with the highest number of rainy days is July (24.3 days).
The month with the least rainy days is May (12.9 days).
Average snowfall in December
Nichihara, Japan
- Average snowfall in December: 33mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Nichihara, Japan
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Nichihara, 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: 3h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Nichihara, Japan
- Average sunshine days in December: 4.9 days
The month with the most sunshine days is May (15.7 days).
The month with the least sunshine days is July (4.8 days).
Average UV index in December
Nichihara, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Nichihara, Japan
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are May and August (Cloud cover 35).
Average visibility in December
Nichihara, 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).
