June weather forecastCoulee Dam, WA
June
Weather in June
The first month of the summer, June, is a moderately hot month in Coulee Dam, Washington, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 51.8°F (11°C).Temperature
In Coulee Dam, the onset of June comes with a modest high-temperature shift, transitioning from May's comfortable 67.6°F (19.8°C) to a moderately hot 74.3°F (23.5°C). The nighttime temperature shows a significant divergence from the daytime highs, averaging at a cool 51.8°F (11°C) in June.Humidity
In June, the average relative humidity is 49%.Rainfall
In June, in Coulee Dam, Washington, the rain falls for 8.4 days. Throughout June, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 102.1 rainfall days, and 9.65" (245mm) of precipitation is accumulated.Snowfall
May through August are months without snowfall in Coulee Dam.Daylight
The month with the longest days is June, with an average of 16h and 0min of daylight.On the first day of the month, sunrise is at 5:00 am and sunset at 8:47 pm. On the last day of June, sunrise is at 5:00 am and sunset at 8:58 pm PDT.
Sunshine
The average sunshine in June is 11.3h.UV index
In Coulee Dam, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Coulee Dam, WA
- Average high temperature in June: 74.3°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).
- Average low temperature in June: 51.8°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in June
Coulee Dam, WA
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in June
Coulee Dam, WA
- Average wind speed in June: 6.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in June
Coulee Dam, WA
- Average humidity in June: 49%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).
Average rainfall in June
Coulee Dam, WA
- Average rainfall in June: 0.75"
The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in June
Coulee Dam, WA
- Average rainfall days in June: 8.4 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in June
Coulee Dam, WA
- Average snowfall in June: 0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in June
Coulee Dam, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Coulee Dam, WA
- Average daylight in June: 16h and 0min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in June: 11h and 18min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in June
Coulee Dam, WA
- Average sunshine days in June: 19.9 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in June
Coulee Dam, WA
- Average UV index in June: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in June
Coulee Dam, WA
- Average cloud cover in June: 24
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in June
Coulee Dam, WA
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
