Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
June
Weather in June
Temperature
The shift into June brings a slight increase in the average high-temperature, moving from a moderate 14.4°C (57.9°F) in May to an enjoyable 18.6°C (65.5°F). Throughout June, Iwanai registers a consistent average low-temperature of 10.2°C (50.4°F).Humidity
In June, the average relative humidity is 85%.Rainfall
In Iwanai, during June, the rain falls for 17.2 days and regularly aggregates up to 62mm (2.44") of precipitation. In Iwanai, during the entire year, the rain falls for 157.1 days and collects up to 887mm (34.92") of precipitation.Snowfall
In Iwanai, snow does not fall in June through September.Daylight
The month with the longest days is June, with an average of 15h and 18min of daylight.On the first day of the month, sunrise is at 04:01 and sunset at 19:10. On the last day of June, sunrise is at 04:02 and sunset at 19:21 JST.
Sunshine
In June, the average sunshine is 7.5h.UV index
In June, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 4 during June, leads to the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in June?
What is the average humidity in June?
How much does it rain in June?
When it does not snow?
Does it snow in June?
When are the longest days?
What is the average length of the day in June?
What time are sunrise and sunset in June?
How long on average sun shines in June?
What is the UV index reading in June?
Average temperature in June
Iwanai, Japan
- Average high temperature in June: 18.6°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in June: 10.2°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (-8.9°C).
Average pressure in June
Iwanai, Japan
- Average pressure in June: 1008.7mbar
The month with the highest atmospheric pressure is November (1016.4mbar).
The month with the lowest atmospheric pressure is July (1008.4mbar).
Average wind speed in June
Iwanai, Japan
- Average wind speed in June: 8.8km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity in June
Iwanai, Japan
- Average humidity in June: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (79%).
Average rainfall in June
Iwanai, Japan
- Average rainfall in June: 62mm
The wettest month (with the highest rainfall) is August (105mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in June
Iwanai, Japan
- Average rainfall days in June: 17.2 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in June
Iwanai, Japan
- Average snowfall in June: 0mm
The month with the highest snowfall is December (598mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in June
Iwanai, Japan
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (28.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Iwanai, Japan
- Average daylight in June: 15h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in June: 7h and 3min
The months with the most sunshine are May and August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in June
Iwanai, Japan
- Average sunshine days in June: 10.3 days
The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is January (2.7 days).
Average UV index in June
Iwanai, Japan
- Average UV index in June: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in June
Iwanai, Japan
- Average cloud cover in June: 55
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is September (Cloud cover 43).
Average visibility in June
Iwanai, Japan
- Average visibility in June: 8km
The months with the highest visibility are April, May and October (9km).
The months with the lowest visibility are January, February, July, August and December (7km).
