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
Weather in December
Temperature
The arrival of December indicates a decrease in the average high-temperature, moving from a comfortable 16.5°C (61.7°F) in November to a cool 11.5°C (52.7°F). An average nighttime temperature of 6.1°C (43°F) is witnessed throughout December.Humidity
In Horikawacho, the average relative humidity in December is 62%.Rainfall
In Horikawacho, during December, the rain falls for 5.1 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, there are 111.4 rainfall days, and 332mm (13.07") of precipitation is accumulated.Snowfall
In Horikawacho, snow does not fall in April through December.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:32 and sunset at 16:28. On the last day of December, sunrise is at 06:50 and sunset at 16:38 JST.
Sunshine
In December, the average sunshine is 6.2h.UV index
The months with the lowest UV index in Horikawacho, Japan, are January through March, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Horikawacho in December?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Horikawacho, Japan
- Average high temperature in December: 11.5°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in December: 6.1°C
The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in December
Horikawacho, Japan
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Horikawacho, Japan
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is April (16.6km/h).
The calmest month (with the lowest average wind speed) is June (13.2km/h).
Average humidity in December
Horikawacho, Japan
- Average humidity in December: 62%
The months with the highest relative humidity are June and July (77%).
The month with the lowest relative humidity is January (60%).
Average rainfall in December
Horikawacho, Japan
- Average rainfall in December: 12mm
The wettest months (with the highest rainfall) are September and October (43mm).
The driest month (with the least rainfall) is February (9mm).
Average rainfall days in December
Horikawacho, Japan
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Horikawacho, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Horikawacho, Japan
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.9 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
Horikawacho, 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 48min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in December
Horikawacho, Japan
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is January (24.6 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in December
Horikawacho, 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, November and December (UV index 3).
Average cloud cover in December
Horikawacho, Japan
- Average cloud cover in December: 31
The month with the most cloud cover is October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in December
Horikawacho, 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).
Horikawacho, Japan
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