June weather forecastGrandview, WA
June
Weather in June
The first month of the summer, June, is a moderately hot month in Grandview, Washington, with an average temperature varying between 78.3°F (25.7°C) and 55°F (12.8°C).Temperature
As Grandview transitions into June, a marginal rise in the average high-temperature is observed, moving from a pleasant 71.1°F (21.7°C) in May to a warm 78.3°F (25.7°C). A marked difference from the daytime temperatures, Grandview's nighttime temperature falls to an average low of 55°F (12.8°C) in June.Humidity
In June, the average relative humidity is 45%.Rainfall
In Grandview, in June, it is raining for 5.7 days, with typically 0.51" (13mm) of accumulated precipitation. In Grandview, during the entire year, the rain falls for 80.1 days and collects up to 4.84" (123mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
With an average of 15h and 42min of daylight, June has the longest days of the year.On the first day of June in Grandview, sunrise is at 5:10 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:55 pm PDT.
Sunshine
The average sunshine in June is 11.5h.UV index
The average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 6 in June leads to these recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Grandview, WA
- Average high temperature in June: 78.3°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in June: 55°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in June
Grandview, WA
- Average pressure in June: 29.94"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in June
Grandview, WA
- Average wind speed in June: 7.8mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.2mph).
Average humidity in June
Grandview, WA
- Average humidity in June: 45%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (37%).
Average rainfall in June
Grandview, WA
- Average rainfall in June: 0.51"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in June
Grandview, WA
- Average rainfall days in June: 5.7 days
The month with the highest number of rainy days is May (9.2 days).
The month with the least rainy days is July (4 days).
Average snowfall in June
Grandview, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Grandview, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is December (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in June /
Average sunshine in June
Grandview, WA
- Average daylight in June: 15h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in June: 11h and 30min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in June
Grandview, WA
- Average sunshine days in June: 22 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (18.7 days).
Average UV index in June
Grandview, WA
- Average UV index in June: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Grandview, WA
- Average cloud cover in June: 20
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in June
Grandview, WA
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





