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
December
Weather in December
Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 23.9°C (75°F) in November to an agreeable 20.5°C (68.9°F). Igei records a slight downturn in temperature to an average of 18.6°C (65.5°F) during December nights.Humidity
In Igei, the average relative humidity in December is 73%.Rainfall
In Igei, Japan, in December, it is raining for 21 days, with typically 82mm (3.23") of accumulated precipitation. Throughout the year, there are 229 rainfall days, and 1437mm (56.57") of precipitation is accumulated.Daylight
The month with the shortest days in Igei, Japan, is December, with an average of 10h and 30min of daylight.On the first day of December in Igei, sunrise is at 06:59 and sunset at 17:35. On the last day of the month, sunrise is at 07:16 and sunset at 17:46 JST.
Sunshine
The average sunshine in December in Igei is 4.4h.UV index
The month with the lowest UV index in Igei is December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in December transforms into this advice:
Undertake precautions - Guarding against sun damage is counselled. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Igei?
What is the average humidity in December in Igei?
How many days does it rain in December in Igei?
What is the month with the shortest days in Igei?
What is the average length of the day in December in Igei?
What time are sunrise and sunset in December in Igei?
How many hours of sunshine does Igei have in December?
What is the month with the lowest UV index in Igei?
How high is the UV index in December in Igei?
Average temperature in December
Igei, Japan
- Average high temperature in December: 20.5°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 (18.8°C).
- Average low temperature in December: 18.6°C
The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in December
Igei, Japan
- Average pressure in December: 1019.9mbar
The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in December
Igei, Japan
- Average wind speed in December: 27km/h
The windiest month (with the highest average wind speed) is December (27km/h).
The calmest month (with the lowest average wind speed) is May (19.2km/h).
Average humidity in December
Igei, 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
Igei, Japan
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is June (205mm).
The driest month (with the least rainfall) is February (61mm).
Average rainfall days in December
Igei, Japan
- Average rainfall days in December: 21 days
The month with the highest number of rainy days is January (22.6 days).
The months with the least rainy days are March and November (16.5 days).
Average daylight in December /
Average sunshine in December
Igei, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Igei, Japan
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is April (11 days).
The month with the least sunshine days is January (5.4 days).
Average UV index in December
Igei, 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
Igei, Japan
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Igei, 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).
