Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
The coldest month is January, with an average high-temperature of 18.6°C (65.5°F) and an average low-temperature of 16.7°C (62.1°F).Humidity
January and December, with an average relative humidity of 72%, are the least humid months in Iheya.Rainfall
January is the month with the least rainfall. Rain falls for 21.8 days and accumulates 64mm (2.52") of precipitation.Daylight
The average length of the day in January in Iheya is 10h and 40min.On the first day of the month, sunrise is at 07:17 and sunset at 17:45. On the last day of January, sunrise is at 07:14 and sunset at 18:08 JST.
Sunshine
The month with the least sunshine is January, 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 of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in January translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Iheya?
What is the temperature in January in Iheya?
What are the least humid months in Iheya?
What is the average humidity in January in Iheya?
What is the driest month in Iheya?
How many days does it rain in January in Iheya?
What is the average length of the day in January in Iheya?
When are sunrise and sunset in January in Iheya?
What is the month with the least sunshine in Iheya?
How many hours of sunshine does Iheya have in January?
What is the month with the lowest UV index in Iheya?
What is the UV index reading in January in Iheya?
Average temperature in January
Iheya, Japan
- Average high temperature in January: 18.6°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 (18.6°C).
- Average low temperature in January: 16.7°C
The month with the highest average low temperature is August (28°C).
The coldest month (with the lowest average low temperature) is January (16.7°C).
Average pressure in January
Iheya, Japan
- Average pressure in January: 1021.1mbar
The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in January
Iheya, Japan
- Average wind speed in January: 27.3km/h
The windiest month (with the highest average wind speed) is December (28.3km/h).
The calmest month (with the lowest average wind speed) is May (20.2km/h).
Average humidity in January
Iheya, Japan
- Average humidity in January: 72%
The month with the highest relative humidity is June (86%).
The months with the lowest relative humidity are January and December (72%).
Average rainfall in January
Iheya, Japan
- Average rainfall in January: 64mm
The wettest month (with the highest rainfall) is June (241mm).
The driest month (with the least rainfall) is January (64mm).
Average rainfall days in January
Iheya, Japan
- Average rainfall days in January: 21.8 days
The month with the highest number of rainy days is June (23.3 days).
The month with the least rainy days is November (17.6 days).
Average daylight in January /
Average sunshine in January
Iheya, Japan
- Average daylight in January: 10h and 4min
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 January: 4h and 1min
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 6min).
Average sunshine days in January
Iheya, Japan
- Average sunshine days in January: 6.4 days
The months with the most sunshine days are April and May (9.6 days).
The month with the least sunshine days is September (3.8 days).
Average UV index in January
Iheya, Japan
- Average UV index in January: 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 January
Iheya, Japan
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in January
Iheya, Japan
- Average visibility in January: 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).
