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
June's onset brings an average high-temperature of a pleasant 69.3°F (20.7°C), showing a minute difference from May's 64.4°F (18°C). A noticeable temperature swing characterizes Sammamish's June nights, dipping to an average of 46.4°F (8°C).Humidity
In Sammamish, the average relative humidity in June is 74%.Rainfall
In June, the rain falls for 10 days. Throughout June, 0.75" (19mm) of precipitation is accumulated. In Sammamish, during the entire year, the rain falls for 136.7 days and collects up to 13.39" (340mm) of precipitation.Snowfall
In Sammamish, snow does not fall in May through October.Daylight
June has the longest days of the year, with an average of 15h and 54min of daylight.On the first day of the month, sunrise is at 5:13 am and sunset at 8:58 pm. On the last day of June, sunrise is at 5:14 am and sunset at 9:09 pm PDT.
Sunshine
In June, the average sunshine is 9.3h.UV index
The months with the highest UV index in Sammamish, Washington, are June and July, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in June translates into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Sammamish in June?
What is the average humidity in June?
How much does it rain in June?
When it does not snow?
When are the longest days?
How many hours of daylight does Sammamish have in June?
When is the sunrise / sunset in June?
How many hours of sunshine does Sammamish have in June?
What is the month with the highest UV index?
What is the UV index reading in June?
Average temperature in June
Sammamish, WA
- Average high temperature in June: 69.3°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in June: 46.4°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in June
Sammamish, 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
Sammamish, WA
- Average wind speed in June: 3.6mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in June
Sammamish, WA
- Average humidity in June: 74%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is July (70%).
Average rainfall in June
Sammamish, WA
- Average rainfall in June: 0.75"
The wettest month (with the highest rainfall) is December (1.85").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in June
Sammamish, WA
- Average rainfall days in June: 10 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in June
Sammamish, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Sammamish, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in June /
Average sunshine in June
Sammamish, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in June
Sammamish, WA
- Average sunshine days in June: 16.3 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in June
Sammamish, WA
- Average UV index in June: 5
The months with the highest UV index are June and 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
Sammamish, WA
- Average cloud cover in June: 44
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in June
Sammamish, WA
- Average visibility in June: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).
Sammamish, Washington, USA
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