Temperatures in June
It's warm in June in Portland with an average temperature of 23°C. Temperatures this month range from a low of 17°C to a high of 26°C. At night, you can expect temperatures between 10°C and 17°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Portland in June. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of June
The month of June starts in Portland with warm temperatures, averaging around 22°C during the day and nights close to 12°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-June
By mid-June, the average daytime temperature rises to around 24°C, with nights close to 14°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of June
By the end of June, the average daytime temperature in Portland will be around 25°C, with nights close to 15°C. A shower might show up, but overall the weather will be dry and sunny.
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Water temperature
The water temperature at Portland is 16°C this month. This is probably too cold to swim without protective gear.
Precipitation in June
In June, there is an average of 98 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.
The average precipitation chance is 30% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in June for Portland. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Portland in June |
London | ||
|---|---|---|---|
 Average Temperature |
23°C | 22°C | |
 High Temp |
26°C | 24°C | |
| Low Temp |
17°C | 18°C | |
 Total Precipitation |
98 mm | 57 mm | |
| Rainy Days |
9 days | 10 days | |
May
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is June a good time to visit Portland?
Want nice weather? Then June is a great time to be in Portland. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Portland in June
With 37°C, Portland hit the highest temperature in the last 10 years in June 2021. The lowest daytime temperature in this month was 10°C in 2023. The extreme night temperatures ranged from a low of 3°C to a high of 25°C.
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Daily Temperature in June in Portland
This chart shows the average daily temperatures, both day and night, for each day in June in Portland, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in June in Portland
The chart below shows the average daily precipitation in June for Portland, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for June, you can expect around 9 days of rain in Portland.
Daily UV Index in June in Portland
This chart shows the average daily UV index in June in Portland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in June in Portland Over the Years
This chart shows the average temperature in June in Portland, measured in degrees Celsius, over the past years.
Total Precipitation in June in Portland Over the Years
This chart shows the average precipitation in June in Portland, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in June for Portland
Click on a specific day in June for detailed info on the typical weather on that day in Portland. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in June in Portland
Have you been to Portland in June?
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Average Weather in Portland by Month
Click on a month below to see detailed weather info for Portland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
