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
The average high-temperature drops in December, from November's refreshing 15.2°C (59.4°F) to a chilly 9.2°C (48.6°F). An average low-temperature of 3.4°C (38.1°F) is recorded in the month of December in Settsu, Japan.Humidity
In December, the average relative humidity in Settsu, Japan, is 77%.Rainfall
In December, the rain falls for 16.5 days. Throughout December, 32mm (1.26") of precipitation is accumulated. Throughout the year, in Settsu, there are 185.2 rainfall days, and 629mm (24.76") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Settsu. December is the first month it typically snows. Throughout December, in the average 3.5 snowfall days, it receives 26mm (1.02") of snow. In Settsu, during the entire year, snow falls for 19.6 days and aggregates up to 146mm (5.75") of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Settsu.On the first day of December, sunrise is at 06:46 and sunset at 16:46. On the last day of the month, sunrise is at 07:04 and sunset at 16:56 JST.
Sunshine
In Settsu, Japan, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index in Settsu are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Settsu?
What is the average humidity in December in Settsu?
How much does it rain in Settsu in December?
When does it start to snow in Settsu?
What is the month with the shortest days in Settsu?
What is the average length of the day in December in Settsu?
When are sunrise and sunset in December in Settsu?
How long on average sun shines in December in Settsu?
What is the month with the lowest UV index in Settsu?
What is the UV index reading in December in Settsu?
Average temperature in December
Settsu, Japan
- Average high temperature in December: 9.2°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 3.4°C
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in December
Settsu, Japan
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in December
Settsu, Japan
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is January (9.2km/h).
The calmest month (with the lowest average wind speed) is June (7.2km/h).
Average humidity in December
Settsu, Japan
- Average humidity in December: 77%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Settsu, Japan
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is July (121mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in December
Settsu, Japan
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is May (11.8 days).
Average snowfall in December
Settsu, Japan
- Average snowfall in December: 26mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Settsu, Japan
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (8.8 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
Settsu, 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: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in December
Settsu, Japan
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in December
Settsu, 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
Settsu, Japan
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Settsu, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, August, October, November and December (9km).
The months with the lowest visibility are June, July and September (8km).
