Climate and Weather of Oregon, the United States of America

In the United States of America you have several regions, one of which is called Oregon. The most popular city in this region is Portland, whose climate data we'll examine to provide you with an overview of what weather to expect in Oregon. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

Oregon offers pleasant conditions in May, June and September, with temperatures typically ranging from 20°C to 24°C.

Oregon reaches its peak temperature in August, hitting 28°C, while December brings cooler conditions with daytime highs of 7°C.

The colder period typically falls in the months of January and December.

Rainfall in July and August is at its lowest, remaining under 13 mm.

For those seeking sunshine, July usually has the brightest skies, making it an excellent time for exploring the region.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Oregon, the United States of America?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.