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 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 beginning of December brings a minor change in the average high-temperature, shifting from a warm 23.6°C (74.5°F) in November to an agreeable 20.2°C (68.4°F). Throughout December, a modest shift from daytime highs is anticipated, with an average low-temperature of 18.3°C (64.9°F).Humidity
In Isagawa, the average relative humidity in December is 73%.Rainfall
In December, the rain falls for 20.4 days. Throughout December, 78mm (3.07") of precipitation is accumulated. Throughout the year, in Isagawa, there are 229 rainfall days, and 1489mm (58.62") of precipitation is accumulated.Daylight
With an average of 10h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:59 and sunset at 17:34. On the last day of December, sunrise is at 07:16 and sunset at 17:46 JST.
Sunshine
In Isagawa, the average sunshine in December is 4.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in December leads to these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are December temperatures in Isagawa?
What is the average humidity in December in Isagawa?
How much does it rain in Isagawa in December?
What is the month with the shortest days in Isagawa?
How many hours of daylight does Isagawa have in December?
When are sunrise and sunset in December in Isagawa?
How many hours of sunshine does Isagawa have in December?
What are the months with the lowest UV index in Isagawa?
What is the UV index intensity in December in Isagawa?
Average temperature in December
Isagawa, Japan
- Average high temperature in December: 20.2°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 (18.6°C).
- Average low temperature in December: 18.3°C
The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure in December
Isagawa, Japan
- Average pressure in December: 1020mbar
The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).
Average wind speed in December
Isagawa, Japan
- Average wind speed in December: 25.7km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).
Average humidity in December
Isagawa, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).
Average rainfall in December
Isagawa, Japan
- Average rainfall in December: 78mm
The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).
Average rainfall days in December
Isagawa, Japan
- Average rainfall days in December: 20.4 days
The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).
Average daylight in December /
Average sunshine in December
Isagawa, Japan
- Average daylight in December: 10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Isagawa, Japan
- Average sunshine days in December: 7.1 days
The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).
Average UV index in December
Isagawa, Japan
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Isagawa, Japan
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Isagawa, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
Isagawa, Japan
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