June weather forecastPreston, WA
June
Weather in June
June, the first month of the summer in Preston, is still a refreshing month, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 66°F (18.9°C).Temperature
As Preston steps into June, the average high-temperature is measured at a still refreshing 66°F (18.9°C), displaying minor differences from May's 61.9°F (16.6°C). Preston records a pronounced decline from the day's peak to an average nighttime low-temperature of 43°F (6.1°C) throughout June.Humidity
The average relative humidity in June is 76%.Rainfall
In Preston, in June, during 13.8 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, in Preston, there are 184.9 rainfall days, and 39.96" (1015mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The month with the longest days is June, 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 8:57 pm. On the last day of June, sunrise is at 5:14 am and sunset at 9:08 pm PDT.
Sunshine
The average sunshine in June is 8.9h.UV index
In Preston, the average daily maximum UV index in June is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 in June translates into these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Preston, WA
- Average high temperature in June: 66°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (39.7°F).
- Average low temperature in June: 43°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (29.8°F).
Average pressure in June
Preston, WA
- Average pressure in June: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in June
Preston, WA
- Average wind speed in June: 3.4mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in June
Preston, WA
- Average humidity in June: 76%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (71%).
Average rainfall in June
Preston, WA
- Average rainfall in June: 1.46"
The wettest month (with the highest rainfall) is January (6.1").
The driest months (with the least rainfall) are July and August (0.59").
Average rainfall days in June
Preston, WA
- Average rainfall days in June: 13.8 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in June
Preston, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Preston, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (5.4 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
Preston, WA
- Average daylight in June: 15h and 54min
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: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in June
Preston, WA
- Average sunshine days in June: 13.5 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in June
Preston, WA
- Average UV index in June: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in June
Preston, WA
- Average cloud cover in June: 48
The months with the most cloud cover are January, February, March and December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in June
Preston, WA
- Average visibility in June: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).





