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 snowfall in January
- Average snowfall 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
Iwashita reaches its lowest average temperatures in January, measuring 9.2°C (48.6°F) at the peak and 3.8°C (38.8°F) at the lowest.Humidity
The months with the lowest humidity are January through March, with an average relative humidity of 71%.Rainfall
The month with the least rainfall is January, when the rain falls for 11.3 days and typically collects 48mm (1.89") of precipitation.Snowfall
Months with snowfall are January through March and December. The months with the most snowfall in Iwashita are January and December, with an average 24mm (0.94") of accumulated snow.Daylight
The average length of the day in January is 10h and 17min.On the first day of January, sunrise is at 07:18 and sunset at 17:21. On the last day of the month, sunrise is at 07:12 and sunset at 17:47 JST.
Sunshine
January has the least sunshine of the year, with an average of 5.2h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in January translates into this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Iwashita?
What is the temperature in January in Iwashita?
What are the least humid months in Iwashita?
What is the average humidity in January in Iwashita?
What is the driest month in Iwashita?
How many days does it rain in January in Iwashita?
What is the snowiest month in Iwashita?
How much does it snow in Iwashita in January?
How many hours of daylight does Iwashita have in January?
When are sunrise and sunset in January in Iwashita?
What is the month with the least sunshine in Iwashita?
How many hours of sunshine does Iwashita have in January?
When is the lowest UV index in Iwashita?
What is the UV index intensity in January in Iwashita?
Average temperature in January
Iwashita, Japan
- Average high temperature in January: 9.2°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (9.2°C).
- Average low temperature in January: 3.8°C
The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in January
Iwashita, Japan
- Average pressure in January: 1021.8mbar
The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in January
Iwashita, Japan
- Average wind speed in January: 10.6km/h
The windiest month (with the highest average wind speed) is December (11km/h).
The calmest month (with the lowest average wind speed) is June (8.2km/h).
Average humidity in January
Iwashita, Japan
- Average humidity in January: 71%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (71%).
Average rainfall in January
Iwashita, Japan
- Average rainfall in January: 48mm
The wettest month (with the highest rainfall) is June (266mm).
The driest month (with the least rainfall) is January (48mm).
Average rainfall days in January
Iwashita, Japan
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is January (11.3 days).
Average snowfall in January
Iwashita, Japan
- Average snowfall in January: 24mm
The months with the highest snowfall are January and December (24mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Iwashita, Japan
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Iwashita, Japan
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in January
Iwashita, Japan
- Average sunshine days in January: 15 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is July (4.8 days).
Average UV index in January
Iwashita, Japan
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Iwashita, Japan
- Average cloud cover in January: 42
The month with the most cloud cover is June (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in January
Iwashita, Japan
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).
