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
Weather in June
Temperature
With the onset of June, the average high-temperature stands at a pleasant 69.4°F (20.8°C), closely aligned with May's 64.6°F (18.1°C). Despite the high peak temperatures, Issaquah witnesses an average nighttime cooling to a chilly 45.7°F (7.6°C) in June.Humidity
In June, the average relative humidity in Issaquah is 74%.Rainfall
In June, in Issaquah, Washington, the rain falls for 8.8 days. Throughout June, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 127.4 rainfall days, and 12.52" (318mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
June has the longest days of the year in Issaquah, with an average of 15h and 54min of daylight.On the first day of the month, sunrise is at 5:14 am and sunset at 8:58 pm. On the last day of June, in Issaquah, Washington, sunrise is at 5:14 am and sunset at 9:09 pm PDT.
Sunshine
The average sunshine in June in Issaquah is 9h.UV index
In Issaquah, the average daily maximum UV index in June is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In June, the maximum UV index of 4 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are June temperatures in Issaquah?
What is the average humidity in June in Issaquah?
How much does it rain in Issaquah in June?
When it does not snow in Issaquah?
When are the longest days in Issaquah?
What is the average length of the day in June in Issaquah?
When is the sunrise / sunset in June in Issaquah?
How long on average sun shines in June in Issaquah?
What is the UV index reading in June in Issaquah?
Average temperature in June
Issaquah, WA
- Average high temperature in June: 69.4°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in June: 45.7°F
The month with the highest average low temperature is August (51.4°F).
The coldest months (with the lowest average low temperature) are February and December (33.4°F).
Average pressure in June
Issaquah, WA
- Average pressure in June: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in June
Issaquah, WA
- Average wind speed in June: 3.7mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in June
Issaquah, WA
- Average humidity in June: 74%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is July (69%).
Average rainfall in June
Issaquah, WA
- Average rainfall in June: 0.55"
The wettest month (with the highest rainfall) is December (2.01").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in June
Issaquah, WA
- Average rainfall days in June: 8.8 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in June
Issaquah, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Issaquah, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Issaquah, WA
- Average daylight in June: 15h and 5min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in June: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in June
Issaquah, WA
- Average sunshine days in June: 18.7 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in June
Issaquah, WA
- Average UV index in June: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Issaquah, WA
- Average cloud cover in June: 45
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in June
Issaquah, WA
- Average visibility in June: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).
Issaquah, Washington, USA
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