June weather forecastRoyal City, WA
June
Weather in June
June, the first month of the summer in Royal City, is a warm month, with an average temperature ranging between max 78.6°F (25.9°C) and min 54.1°F (12.3°C).Temperature
The coming of June brings a minor shift in Royal City's weather, with average high-temperatures adjusting from May's agreeable 71.2°F (21.8°C) to a moderately hot 78.6°F (25.9°C). During June, Royal City notes a substantial drop from the daytime peak to an average minimum temperature of 54.1°F (12.3°C).Humidity
In Royal City, the average relative humidity in June is 45%.Rainfall
In Royal City, in June, it is raining for 5.5 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, there are 86.4 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Snowfall
May through August and October are months without snowfall.Daylight
June has the longest days of the year, with an average of 15h and 48min of daylight.On the first day of June, sunrise is at 5:07 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:56 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 reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In June, the average maximum UV index of 6 translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Royal City, WA
- Average high temperature in June: 78.6°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in June: 54.1°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in June
Royal City, WA
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in June
Royal City, WA
- Average wind speed in June: 7.2mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in June
Royal City, WA
- Average humidity in June: 45%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in June
Royal City, WA
- Average rainfall in June: 0.43"
The wettest months (with the highest rainfall) are January and December (0.87").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in June
Royal City, WA
- Average rainfall days in June: 5.5 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in June
Royal City, WA
- Average snowfall in June: 0"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in June
Royal City, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Royal City, WA
- Average daylight in June: 15h and 48min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- 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
Royal City, WA
- Average sunshine days in June: 23 days
The months with the most sunshine days are July and August (25.8 days).
The month with the least sunshine days is February (16 days).
Average UV index in June
Royal City, 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
Royal City, WA
- Average cloud cover in June: 20
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in June
Royal City, WA
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





