June weather forecastUnderwood Heights, WA
June
Weather in June
June, the first month of the summer in Underwood Heights, is a pleasant month, with an average temperature fluctuating between 45.1°F (7.3°C) and 68.5°F (20.3°C).Temperature
June's arrival sees a mild rise in the average high-temperature, transitioning from May's enjoyable 62.4°F (16.9°C) to an agreeable 68.5°F (20.3°C). June nights in Underwood Heights, Washington, indicate a noticeable temperature drop from the daytime highs, with an average reading lowering to a frosty 45.1°F (7.3°C).Humidity
The average relative humidity in June is 67%.Rainfall
In Underwood Heights, in June, during 9.1 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, in Underwood Heights, there are 159.7 rainfall days, and 31.42" (798mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The month with the longest days is June, with an average of 15h and 42min of daylight.On the first day of the month, sunrise is at 5:19 am and sunset at 8:48 pm. On the last day of June, in Underwood Heights, sunrise is at 5:20 am and sunset at 8:59 pm PDT.
Sunshine
In June, the average sunshine in Underwood Heights is 10.5h.UV index
In Underwood Heights, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In June, the UV index of 5 transforms into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Underwood Heights, WA
- Average high temperature in June: 68.5°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in June: 45.1°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in June
Underwood Heights, WA
- Average pressure in June: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in June
Underwood Heights, WA
- Average wind speed in June: 6.1mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in June
Underwood Heights, WA
- Average humidity in June: 67%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).
Average rainfall in June
Underwood Heights, WA
- Average rainfall in June: 0.98"
The wettest month (with the highest rainfall) is January (5.67").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in June
Underwood Heights, WA
- Average rainfall days in June: 9.1 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in June
Underwood Heights, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Underwood Heights, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is December (4.1 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
Underwood Heights, 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: 10h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in June
Underwood Heights, WA
- Average sunshine days in June: 17.6 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in June
Underwood Heights, WA
- Average UV index in June: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in June
Underwood Heights, WA
- Average cloud cover in June: 34
The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in June
Underwood Heights, WA
- Average visibility in June: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).





