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 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
As December commences, the average high-temperature shows a reduction, transitioning from a comfortable 16.6°C (61.9°F) in November to a cool 11.4°C (52.5°F). During the month of December, an average temperature of 5°C (41°F) is noted during the nights.Humidity
In December, the average relative humidity is 67%.Rainfall
In Nishijima, in December, during 8.6 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, there are 154.1 rainfall days, and 1085mm (42.72") of precipitation is accumulated.Snowfall
In Nishijima, snow does not fall in January, March through December.Daylight
December has the shortest days of the year in Nishijima, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:35 and sunset at 16:35. On the last day of December, sunrise is at 06:53 and sunset at 16:44 JST.
Sunshine
In Nishijima, the average sunshine in December is 6.6h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Nishijima?
What is the average humidity in December in Nishijima?
How many days does it rain in December in Nishijima?
When it does not snow in Nishijima?
What is the month with the shortest days in Nishijima?
How many hours of daylight does Nishijima have in December?
When is the sunrise / sunset in December in Nishijima?
How long on average sun shines in December in Nishijima?
What is the month with the lowest UV index in Nishijima?
What is the UV index intensity in December in Nishijima?
Average temperature in December
Nishijima, Japan
- Average high temperature in December: 11.4°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (9.2°C).
- Average low temperature in December: 5°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in December
Nishijima, Japan
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Nishijima, Japan
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is January (14km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in December
Nishijima, Japan
- Average humidity in December: 67%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (62%).
Average rainfall in December
Nishijima, Japan
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is July (180mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in December
Nishijima, Japan
- Average rainfall days in December: 8.6 days
The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Nishijima, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (1mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Nishijima, Japan
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Nishijima, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days in December
Nishijima, Japan
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Nishijima, Japan
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 3).
Average cloud cover in December
Nishijima, Japan
- Average cloud cover in December: 23
The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 22).
Average visibility in December
Nishijima, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (10km).
The months with the lowest visibility are June and July (9km).
