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Lake Oswego
Weather averages
ClimateForecastAprilMay >>

Climate in Lake Oswego (Oregon), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: Portland, the United States of America (20 KM, 12 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year
* Data from: Portland, the United States of America (20 KM, 12 Miles).

Average wind speed

The mean monthly wind speed over the year (in meters per second)
* Data from: Portland, the United States of America (20 KM, 12 Miles).

Weather Forecasts for Lake Oswego (OR)

Wed   Apr 24
17°C | 6°C
W 11 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Thu   Apr 25
14°C | 11°C
SW 22 km/h
11 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
Fri   Apr 26
15°C | 10°C
S 14 km/h
9.6 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Lake Oswego in the United States of America

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Lake Oswego?
    Most rainfall (rainy season) is seen in January, March, November and December.
  • Does Lake Oswego have a dry season?
    Yes, the months of July and August are very dry.
  • Which is the warmest month in Lake Oswego?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Lake Oswego?
    The coldest month is December with an average maximum temperature of 8°C.
  • Which is the wettest month in Lake Oswego?
    December tops the wettest month list with 193 mm of rainfall.
  • Which is the driest month in Lake Oswego?
    July is the driest month with 11 mm of precipitation.
  • Which is the sunniest month in Lake Oswego?
    July is the sunniest month with an average of 332 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     

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