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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a moderately hot 23.9°C (75°F) in November to a pleasant 20.5°C (68.9°F). In Tonaki, the nocturnal temperatures throughout December show a marginal dip from the daytime averages, settling at a refreshing 18.6°C (65.5°F).Humidity
January and December, with an average relative humidity of 73%, are the least humid months.Rainfall
In December, the rain falls for 18 days. Throughout December, 60mm (2.36") of precipitation is accumulated. In Tonaki, during the entire year, the rain falls for 214.7 days and collects up to 1105mm (43.5") of precipitation.Daylight
The month with the shortest days in Tonaki is December, with an average of 10h and 30min of daylight.On the first day of December in Tonaki, sunrise is at 07:02 and sunset at 17:38. On the last day of the month, sunrise is at 07:18 and sunset at 17:49 JST.
Sunshine
The months with the least sunshine in Tonaki are January and December, with an average of 4.1h of sunshine.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 4 suggests this advice:
Exercise prevention - Warding off sunburn is urged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Tonaki in December?
What are the least humid months in Tonaki?
What is the average humidity in December in Tonaki?
How many days does it rain in December in Tonaki?
What is the month with the shortest days in Tonaki?
How many hours of daylight does Tonaki have in December?
When are sunrise and sunset in December in Tonaki?
What is the month with the least sunshine in Tonaki?
How many hours of sunshine does Tonaki have in December?
When is the lowest UV index in Tonaki?
What is the UV index intensity in December in Tonaki?
Average temperature in December
Tonaki, Japan
- Average high temperature in December: 20.5°C
The warmest month (with the highest average high temperature) is August (29.3°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
Tonaki, Japan
- Average pressure in December: 1020.2mbar
The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is August (1006.4mbar).
Average wind speed in December
Tonaki, Japan
- Average wind speed in December: 30.9km/h
The windiest month (with the highest average wind speed) is December (30.9km/h).
The calmest month (with the lowest average wind speed) is May (21.6km/h).
Average humidity in December
Tonaki, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is June (86%).
The months with the lowest relative humidity are January and December (73%).
Average rainfall in December
Tonaki, Japan
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is August (153mm).
The driest month (with the least rainfall) is January (40mm).
Average rainfall days in December
Tonaki, Japan
- Average rainfall days in December: 18 days
The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is March (15.7 days).
Average daylight in December /
Average sunshine in December
Tonaki, 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 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in December
Tonaki, Japan
- Average sunshine days in December: 7.1 days
The months with the most sunshine days are March and April (11.3 days).
The month with the least sunshine days is September (6.7 days).
Average UV index in December
Tonaki, 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
Tonaki, Japan
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Tonaki, 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).
