December weather forecastNashiro, Japan
December
Weather in December
December, the first month of the winter in Nashiro, is also an agreeable month, with an average temperature varying between 18.8°C (65.8°F) and 20.6°C (69.1°F).Temperature
The onset of December entails a subtle temperature shift, as the average high-temperature eases from a warm 23.9°C (75°F) in November to a pleasant 20.6°C (69.1°F). The nighttime temperature in Nashiro in December experiences a minor dip, averaging an enjoyable 18.8°C (65.8°F).Humidity
The average relative humidity in December in Nashiro, Japan, is 73%.Rainfall
In December, the rain falls for 21.2 days. Throughout December, 81mm (3.19") of precipitation is accumulated. In Nashiro, during the entire year, the rain falls for 227.4 days and collects up to 1405mm (55.31") of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 30min of daylight.On the first day of December in Nashiro, sunrise is at 06:59 and sunset at 17:37. On the last day of the month, sunrise is at 07:16 and sunset at 17:48 JST.
Sunshine
In December, the average sunshine is 4.4h.UV index
With an average maximum UV index of 4, December is the month with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in December interprets into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nashiro, Japan
- Average high temperature in December: 20.6°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.9°C).
- Average low temperature in December: 18.8°C
The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (17°C).
Average pressure in December
Nashiro, Japan
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in December
Nashiro, Japan
- Average wind speed in December: 28.4km/h
The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is May (20.1km/h).
Average humidity in December
Nashiro, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).
Average rainfall in December
Nashiro, Japan
- Average rainfall in December: 81mm
The wettest month (with the highest rainfall) is June (201mm).
The driest month (with the least rainfall) is February (59mm).
Average rainfall days in December
Nashiro, Japan
- Average rainfall days in December: 21.2 days
The month with the highest number of rainy days is June (21.5 days).
The month with the least rainy days is July (16.4 days).
Average daylight in December /
Average sunshine in December
Nashiro, Japan
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Nashiro, Japan
- Average sunshine days in December: 5.7 days
The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is December (5.7 days).
Average UV index in December
Nashiro, Japan
- Average UV index in December: 4
The months with the highest UV index are 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
Nashiro, Japan
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Nashiro, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





