Portland Weather in June
United States · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
June in Portland sees average temperatures ranging from a low of 11.6°C (52.9°F) to a high of 23.3°C (73.9°F), with a mean of 17.1°C (62.8°F). Compared to the annual average of 11.9°C (53.4°F), this month is 5.2°C warmer than the yearly norm. Precipitation averages 77.6mm, making it approximately 42.0mm drier than the monthly average of 120.0mm. The city receives an average of 11.7 hours of sunshine per day during June, with relative humidity averaging 68.6%. Wind speeds reach an average maximum of 16.2 km/h. For travelers, this month offers a temperature experience in Portland, with drier-than-average conditions compared to the rest of the year.
Portland's climate is similar to Seattle but with slightly warmer summers and cooler winters. I visited during the famous rose festival in June and found the weather ideal. The data shows that the best time to visit is June to September, when the rainfall is minimal and the city's famous outdoor culture thrives. The winter months are grey and wet but the city's coffee shop culture makes it cozy.
June vs Adjacent Months
| Metric | May | June | July |
|---|---|---|---|
| Mean Temp | 13.3°C (55.9°F) | 17.1°C (62.8°F) | 21.3°C (70.3°F) |
| Rainfall | 97.6mm | 77.6mm | 5.1mm |
| Sunshine | 10.1 hrs | 11.7 hrs | 13.5 hrs |
| Humidity | 73.8% | 68.6% | 58.2% |
| Wind | 16.0 km/h | 16.2 km/h | 16.4 km/h |
| Rainy Days | 17.0 | 12.2 | 4.0 |
Seasonal Context
June falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Portland in June, the data indicates favorable conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Portland in June?
The average temperature in Portland during June ranges from 11.6°C (52.9°F) to 23.3°C (73.9°F), with a mean of 17.1°C (62.8°F).
How much does it rain in Portland in June?
Portland receives an average of 77.6mm of precipitation in June, spread across approximately 12.2 rainy days.
What should I pack for Portland in June?
Based on June weather data, pack layers including light jackets and t-shirts, plus an umbrella.
Is June a good time to visit Portland?
June is a good time to visit Portland, with comfortable temperatures and manageable rainfall.
Other Months for Portland
Cities with Similar June Climate (Oceanic)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 45.52°, -122.68°. Timezone: America/Los_Angeles. Last updated: 2026-07-30.