June weather forecast
Lake Oswego, OR

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Weather in June

The charming city of Lake Oswego emerges into the thralls of summer in June, sporting an average temperature high of 72.1°F (22.3°C). A step-up from the milder May, June reveals the early stages of summer in all its sunny glory. Rainfall dwindles even further, surrendering to the expanding hours of daylight and warming sunshine. The days begin to stretch out, offering up to 15.6 hours of daylight, reinforcing the onset of summer. The gentle summer winds that rustle the abundant greenery offer the perfect syncopation to the bright, sun-soaked days.

Temperature

With the onset of June, Lake Oswego's weather sees a minor temperature rise, transitioning from an enjoyable 66.7°F (19.3°C) in May to a pleasant 72.1°F (22.3°C). Lake Oswego measures a considerable dip from daytime highs with an average low-temperature of 48°F (8.9°C) during June.

Humidity

In Lake Oswego, Oregon, the average relative humidity in June is 70%.

Rainfall

In Lake Oswego, in June, during 11.4 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Lake Oswego, during the entire year, the rain falls for 172.2 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

In Lake Oswego, snow does not fall in April through October.

Daylight

The month with the longest days is June, with an average of 15h and 36min of daylight.
On the first day of June, sunrise is at 5:25 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 9:02 pm PDT.

Sunshine

The average sunshine in June is 9.4h.

UV index

In June, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In June, the maximum UV index of 5 transforms into these recommendations:
Act with care - The need to guard against sun damage is communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

What is the usual temperature for Lake Oswego in June?

In Lake Oswego, 72.1°F (22.3°C) is the average high-temperature and 48°F (8.9°C) is the average low-temperature during June.

What is the average humidity in June in Lake Oswego?

In Lake Oswego, the average relative humidity in June is 70%.

How much does it rain in June?

In June, the rain falls for 11.4 days. Throughout June, 1.46" (37mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

When are the longest days?

With an average of 15h and 36min of daylight, June has the longest days of the year.

How many hours of daylight does Lake Oswego have in June?

In Lake Oswego, the average day length in June is 15h and 37min.

When are sunrise and sunset in June?

On the first day of June, sunrise is at 5:25 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 9:02 pm PDT.

How long on average sun shines in June?

In Lake Oswego, the average sunshine duration in June is 9.4h.

How high is the UV index in June?

The average daily maximum UV index in June is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Lake Oswego, OR

Average temperature in June - Lake Oswego, OR
  • Average high temperature in June: 72.1°F

The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in June: 48°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).

Average pressure in June
Lake Oswego, OR

Average pressure in June - Lake Oswego, OR
  • Average pressure in June: 30.03"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in June
Lake Oswego, OR

Average wind speed in June - Lake Oswego, OR
  • Average wind speed in June: 4mph

The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in June
Lake Oswego, OR

Average humidity in June - Lake Oswego, OR
  • Average humidity in June: 70%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (63%).

Average rainfall in June
Lake Oswego, OR

Average rainfall in June - Lake Oswego, OR
  • Average rainfall in June: 1.46"

The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in June
Lake Oswego, OR

Average rainfall days in June - Lake Oswego, OR
  • Average rainfall days in June: 11.4 days

The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is July (4.8 days).

Average snowfall in June
Lake Oswego, OR

Average snowfall in June - Lake Oswego, OR
  • Average snowfall in June: 0"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June
Lake Oswego, OR

Average snowfall days in June - Lake Oswego, OR
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (2.3 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
Lake Oswego, OR

Average daylight in June / Average sunshine in June - Lake Oswego, OR
  • Average daylight in June: 15h and 4min

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: 9h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in June
Lake Oswego, OR

Average sunshine days in June - Lake Oswego, OR
  • Average sunshine days in June: 16.3 days

The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in June
Lake Oswego, OR

Average UV index in June - Lake Oswego, OR
  • 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, November and December (UV index 2).

Average cloud cover in June
Lake Oswego, OR

Average cloud cover in June - Lake Oswego, OR
  • Average cloud cover in June: 42

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in June
Lake Oswego, OR

Average visibility in June - Lake Oswego, OR
  • Average visibility in June: 5mi

The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).

Lake Oswego, Oregon, USA

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