June weather forecastForest Grove, OR
June
Weather in June
June in Forest Grove exhibits quintessential Summer weather. With temperatures scaling between a high of 70.2°F (21.2°C) and a low of 46.8°F (8.2°C), locals venture outdoors more often. June shares May's clear weather while introducing slightly warmer temperatures. As the month progresses, expect to enjoy extended daylight hours. The relatively dry spell continues into July, characterised by sustained warmth.Temperature
As Forest Grove transitions into June, the average high-temperature stands at an agreeable 70.2°F (21.2°C), offering little variation from the preceding month. Forest Grove anticipates a considerable drop in temperature at night in June, with an average low of 46.8°F (8.2°C).Humidity
In June, the average relative humidity is 74%.Rainfall
In Forest Grove, Oregon, in June, during 12.4 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 183.5 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
With an average of 15h and 36min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:26 am and sunset at 8:54 pm. On the last day of June, sunrise is at 5:27 am and sunset at 9:05 pm PDT.
Sunshine
In Forest Grove, the average sunshine in June is 8.7h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 5 in June translates into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Forest Grove, OR
- Average high temperature in June: 70.2°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in June: 46.8°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in June
Forest Grove, OR
- Average pressure in June: 30.05"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in June
Forest Grove, OR
- Average wind speed in June: 4.2mph
The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in June
Forest Grove, OR
- Average humidity in June: 74%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in June
Forest Grove, OR
- Average rainfall in June: 1.34"
The wettest month (with the highest rainfall) is January (5.47").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in June
Forest Grove, OR
- Average rainfall days in June: 12.4 days
The month with the highest number of rainy days is March (21.4 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in June
Forest Grove, OR
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Forest Grove, OR
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (2.9 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
Forest Grove, OR
- Average daylight in June: 15h and 36min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in June: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in June
Forest Grove, OR
- Average sunshine days in June: 15.3 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (7.6 days).
Average UV index in June
Forest Grove, OR
- Average UV index in June: 5
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in June
Forest Grove, OR
- Average cloud cover in June: 48
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in June
Forest Grove, OR
- Average visibility in June: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).





